diff --git a/server/src/app/api/v1/endpoints/reimbursements.py b/server/src/app/api/v1/endpoints/reimbursements.py
index 727f5d2..bb616ae 100644
--- a/server/src/app/api/v1/endpoints/reimbursements.py
+++ b/server/src/app/api/v1/endpoints/reimbursements.py
@@ -18,6 +18,7 @@ from app.schemas.reimbursement import (
     ExpenseClaimItemUpdate,
     ExpenseClaimRead,
     ExpenseClaimReturnPayload,
+    ExpenseClaimUpdate,
     ReimbursementCreate,
     ReimbursementRead,
     TravelReimbursementCalculatorRequest,
@@ -115,6 +116,43 @@ def get_expense_claim(claim_id: str, db: DbSession, current_user: CurrentUser) -
     return claim
 
 
+@router.patch(
+    "/claims/{claim_id}",
+    response_model=ExpenseClaimRead,
+    summary="更新草稿报销单",
+    description="更新草稿待提交报销单的主说明等草稿字段。",
+    responses={
+        status.HTTP_404_NOT_FOUND: {
+            "model": ErrorResponse,
+            "description": "报销单不存在。",
+        },
+        status.HTTP_400_BAD_REQUEST: {
+            "model": ErrorResponse,
+            "description": "报销单状态不允许更新。",
+        },
+    },
+)
+def update_expense_claim(
+    claim_id: str,
+    payload: ExpenseClaimUpdate,
+    db: DbSession,
+    current_user: CurrentUser,
+) -> ExpenseClaimRead:
+    service = ExpenseClaimService(db)
+    try:
+        claim = service.update_claim(
+            claim_id=claim_id,
+            payload=payload,
+            current_user=current_user,
+        )
+    except ValueError as error:
+        raise HTTPException(status_code=status.HTTP_400_BAD_REQUEST, detail=str(error)) from error
+
+    if claim is None:
+        raise HTTPException(status_code=status.HTTP_404_NOT_FOUND, detail="Claim not found")
+    return claim
+
+
 @router.patch(
     "/claims/{claim_id}/items/{item_id}",
     response_model=ExpenseClaimRead,
diff --git a/server/src/app/schemas/reimbursement.py b/server/src/app/schemas/reimbursement.py
index 97e206c..5d4ae22 100644
--- a/server/src/app/schemas/reimbursement.py
+++ b/server/src/app/schemas/reimbursement.py
@@ -113,6 +113,10 @@ class ExpenseClaimItemCreate(BaseModel):
     invoice_id: str | None = None
 
 
+class ExpenseClaimUpdate(BaseModel):
+    reason: str | None = Field(default=None, max_length=500)
+
+
 class ExpenseClaimRead(BaseModel):
     model_config = ConfigDict(from_attributes=True)
 
diff --git a/server/src/app/services/expense_claims.py b/server/src/app/services/expense_claims.py
index 9e66b7a..94dce02 100644
--- a/server/src/app/services/expense_claims.py
+++ b/server/src/app/services/expense_claims.py
@@ -27,7 +27,12 @@ from app.models.employee import Employee
 from app.models.financial_record import ExpenseClaim, ExpenseClaimItem
 from app.models.organization import OrganizationUnit
 from app.schemas.ontology import OntologyEntity, OntologyParseResult
-from app.schemas.reimbursement import ExpenseClaimItemCreate, ExpenseClaimItemUpdate
+from app.schemas.reimbursement import (
+    ExpenseClaimItemCreate,
+    ExpenseClaimItemUpdate,
+    ExpenseClaimUpdate,
+    TravelReimbursementCalculatorRequest,
+)
 from app.services.agent_asset_rule_library import AgentAssetRuleLibraryManager
 from app.services.agent_asset_spreadsheet import RISK_RULES_LIBRARY
 from app.services.agent_foundation import AgentFoundationService
@@ -42,10 +47,15 @@ from app.services.expense_rule_runtime import (
 )
 from app.services.ocr import OcrService
 
-EXPENSE_TYPE_LABELS = {
-    "travel": "差旅",
-    "hotel": "住宿",
-    "transport": "交通",
+EXPENSE_TYPE_LABELS = {
+    "travel": "差旅",
+    "train_ticket": "火车票",
+    "flight_ticket": "机票",
+    "hotel_ticket": "住宿票",
+    "ride_ticket": "乘车",
+    "travel_allowance": "出差补贴",
+    "hotel": "住宿",
+    "transport": "交通",
     "meal": "餐费",
     "meeting": "会务",
     "entertainment": "招待",
@@ -60,8 +70,45 @@ APPROVAL_VISIBLE_CLAIM_ROLE_CODES = {"manager", "approver"}
 CLAIM_DELETE_ROLE_CODES = {"executive"}
 MAX_DRAFT_CLAIMS_PER_USER = 3
 EDITABLE_CLAIM_STATUSES = ("draft", "supplement", "returned")
+SYSTEM_GENERATED_ITEM_TYPES = {"travel_allowance"}
+TRAVEL_DETAIL_ITEM_TYPES = {
+    "train_ticket",
+    "flight_ticket",
+    "hotel_ticket",
+    "ride_ticket",
+    "travel_allowance",
+}
+DOCUMENT_TYPE_ITEM_TYPE_MAP = {
+    "train_ticket": "train_ticket",
+    "flight_itinerary": "flight_ticket",
+    "hotel_invoice": "hotel_ticket",
+    "taxi_receipt": "ride_ticket",
+    "transport_receipt": "ride_ticket",
+}
+DOCUMENT_FACT_ITEM_TYPES = {"train_ticket", "flight_ticket", "hotel_ticket", "ride_ticket"}
+DOCUMENT_ROUTE_TEXT_PATTERN = re.compile(
+    r"([A-Za-z0-9\u4e00-\u9fa5（）()·]{2,40})\s*(?:至|到|→|->|—|–|-)\s*"
+    r"([A-Za-z0-9\u4e00-\u9fa5（）()·]{2,40})"
+)
+DOCUMENT_ROUTE_ORIGIN_LABELS = {"起点", "上车", "上车地点", "上车地址", "出发", "出发地", "出发站", "始发站", "乘车起点"}
+DOCUMENT_ROUTE_DESTINATION_LABELS = {
+    "终点",
+    "下车",
+    "下车地点",
+    "下车地址",
+    "到达",
+    "到达地",
+    "到达站",
+    "目的地",
+    "乘车终点",
+}
+GENERIC_ATTACHMENT_BACKFILL_ITEM_TYPES = {"", "other", "travel", "transport", "hotel"}
 LOCATION_REQUIRED_EXPENSE_TYPES = {
     "travel",
+    "train_ticket",
+    "flight_ticket",
+    "hotel_ticket",
+    "ride_ticket",
     "meeting",
     "entertainment",
 }
@@ -109,9 +156,14 @@ EXPENSE_SCENE_KEYWORDS = {
     "training": ("培训", "课程", "讲师", "教材", "学费", "认证"),
 }
 
-EXPENSE_TYPE_ALLOWED_DOCUMENT_SCENES = {
-    "travel": {"travel", "hotel", "transport", "meal"},
-    "hotel": {"hotel"},
+EXPENSE_TYPE_ALLOWED_DOCUMENT_SCENES = {
+    "travel": {"travel", "hotel", "transport", "meal"},
+    "train_ticket": {"travel"},
+    "flight_ticket": {"travel"},
+    "hotel_ticket": {"hotel"},
+    "ride_ticket": {"transport"},
+    "travel_allowance": set(),
+    "hotel": {"hotel"},
     "transport": {"transport", "travel"},
     "meal": {"meal", "entertainment"},
     "entertainment": {"entertainment", "meal"},
@@ -343,23 +395,55 @@ class ExpenseClaimService:
         )
         stmt = self._apply_claim_scope(stmt, current_user, include_approval_scope=True)
         return self.db.scalar(stmt)
-
-    def update_claim_item(
-        self,
-        *,
+
+    def update_claim(
+        self,
+        *,
+        claim_id: str,
+        payload: ExpenseClaimUpdate,
+        current_user: CurrentUserContext,
+    ) -> ExpenseClaim | None:
+        claim = self.get_claim(claim_id, current_user)
+        if claim is None:
+            return None
+
+        self._ensure_draft_pending_claim(claim)
+        before_json = self._serialize_claim(claim)
+
+        if payload.reason is not None:
+            claim.reason = self._normalize_optional_text(payload.reason, allow_empty=True) or "待补充"
+
+        self.db.commit()
+        self.db.refresh(claim)
+
+        self.audit_service.log_action(
+            actor=current_user.name or current_user.username,
+            action="expense_claim.update",
+            resource_type="expense_claim",
+            resource_id=claim.id,
+            before_json=before_json,
+            after_json=self._serialize_claim(claim),
+        )
+
+        return claim
+
+    def update_claim_item(
+        self,
+        *,
         claim_id: str,
         item_id: str,
         payload: ExpenseClaimItemUpdate,
         current_user: CurrentUserContext,
     ) -> ExpenseClaim | None:
         claim = self.get_claim(claim_id, current_user)
-        if claim is None:
-            return None
-
-        self._ensure_draft_claim(claim)
-        item = next((entry for entry in claim.items if entry.id == item_id), None)
-        if item is None:
-            raise LookupError("Item not found")
+        if claim is None:
+            return None
+
+        self._ensure_draft_claim(claim)
+        item = next((entry for entry in claim.items if entry.id == item_id), None)
+        if item is None:
+            raise LookupError("Item not found")
+        self._ensure_mutable_claim_item(item)
 
         before_json = self._serialize_claim(claim)
 
@@ -407,12 +491,12 @@ class ExpenseClaimService:
         current_user: CurrentUserContext,
     ) -> ExpenseClaim | None:
         claim = self.get_claim(claim_id, current_user)
-        if claim is None:
-            return None
-
-        self._ensure_draft_claim(claim)
-        before_json = self._serialize_claim(claim)
-        payload = payload or ExpenseClaimItemCreate()
+        if claim is None:
+            return None
+
+        self._ensure_draft_claim(claim)
+        before_json = self._serialize_claim(claim)
+        payload = payload or ExpenseClaimItemCreate()
 
         occurred_at = claim.occurred_at if claim.occurred_at is not None else datetime.now(UTC)
         item_amount = Decimal("0.00")
@@ -509,11 +593,12 @@ class ExpenseClaimService:
             item_id=item_id,
             current_user=current_user,
         )
-        if claim is None:
-            return None
-
-        self._ensure_draft_claim(claim)
-        normalized_name = self._normalize_attachment_filename(filename)
+        if claim is None:
+            return None
+
+        self._ensure_draft_claim(claim)
+        self._ensure_mutable_claim_item(item)
+        normalized_name = self._normalize_attachment_filename(filename)
         if not content:
             raise ValueError("上传文件不能为空。")
 
@@ -547,11 +632,20 @@ class ExpenseClaimService:
                 ocr_document = documents[0]
                 ocr_status = "recognized"
                 document_info = self._build_attachment_document_info(ocr_document)
+                self._backfill_item_type_from_attachment(
+                    item=item,
+                    document_info=document_info,
+                )
                 self._backfill_item_amount_from_attachment(
                     item=item,
                     document=ocr_document,
                     document_info=document_info,
                 )
+                self._backfill_item_reason_from_attachment(
+                    item=item,
+                    document=ocr_document,
+                    document_info=document_info,
+                )
                 requirement_check = self._build_attachment_requirement_check(
                     item=item,
                     document_info=document_info,
@@ -694,11 +788,12 @@ class ExpenseClaimService:
             item_id=item_id,
             current_user=current_user,
         )
-        if claim is None:
-            return None
-
-        self._ensure_draft_claim(claim)
-        before_json = self._serialize_claim(claim)
+        if claim is None:
+            return None
+
+        self._ensure_draft_claim(claim)
+        self._ensure_mutable_claim_item(item)
+        before_json = self._serialize_claim(claim)
         previous_name = self._resolve_attachment_display_name(item.invoice_id)
         self._delete_item_attachment_files(item)
         item.invoice_id = None
@@ -1234,15 +1329,18 @@ class ExpenseClaimService:
 
             self.db.flush()
             if context_documents or attachment_names:
-                document_specs = self._build_context_item_specs(
-                    context_documents=context_documents,
-                    attachment_names=attachment_names,
-                    occurred_at=final_occurred_at,
-                    expense_type=final_expense_type,
-                    amount=final_amount,
-                    reason=final_reason,
-                    location=final_location,
-                )
+                document_specs = self._build_context_item_specs(
+                    context_documents=context_documents,
+                    attachment_names=attachment_names,
+                    occurred_at=final_occurred_at,
+                    expense_type=final_expense_type,
+                    amount=final_amount,
+                    reason=final_reason,
+                    location=final_location,
+                    context_json=context_json,
+                    employee_grade=str(employee.grade or "").strip() if employee is not None else "",
+                    user_id=user_id,
+                )
             else:
                 document_specs = []
 
@@ -1486,28 +1584,31 @@ class ExpenseClaimService:
             )
         return normalized
 
-    def _build_context_item_specs(
-        self,
-        *,
-        context_documents: list[dict[str, Any]],
-        attachment_names: list[str],
-        occurred_at: datetime,
-        expense_type: str,
-        amount: Decimal,
-        reason: str,
-        location: str,
-    ) -> list[dict[str, Any]]:
-        specs: list[dict[str, Any]] = []
-        if context_documents:
-            for document in context_documents:
+    def _build_context_item_specs(
+        self,
+        *,
+        context_documents: list[dict[str, Any]],
+        attachment_names: list[str],
+        occurred_at: datetime,
+        expense_type: str,
+        amount: Decimal,
+        reason: str,
+        location: str,
+        context_json: dict[str, Any],
+        employee_grade: str | None = None,
+        user_id: str = "",
+    ) -> list[dict[str, Any]]:
+        specs: list[dict[str, Any]] = []
+        if context_documents:
+            for document in context_documents:
                 specs.append(
                     {
-                        "item_date": self._resolve_document_item_date(document, fallback=occurred_at.date()),
-                        "item_type": self._resolve_document_item_type(document, fallback=expense_type),
-                        "item_reason": reason,
-                        "item_location": location,
-                        "item_amount": self._resolve_document_item_amount(document),
-                        "invoice_id": str(document.get("filename") or "").strip() or None,
+                        "item_date": self._resolve_document_item_date(document, fallback=occurred_at.date()),
+                        "item_type": self._resolve_document_item_type(document, fallback=expense_type),
+                        "item_reason": self._resolve_document_item_reason(document, fallback=reason),
+                        "item_location": location,
+                        "item_amount": self._resolve_document_item_amount(document),
+                        "invoice_id": str(document.get("filename") or "").strip() or None,
                     }
                 )
         elif attachment_names:
@@ -1535,13 +1636,191 @@ class ExpenseClaimService:
             if remaining > Decimal("0.00"):
                 missing_specs[0]["item_amount"] = remaining
 
-        for spec in specs:
-            if spec.get("item_amount") is None:
-                spec["item_amount"] = Decimal("0.00")
-
-        return specs
-
-    def _replace_claim_items(
+        for spec in specs:
+            if spec.get("item_amount") is None:
+                spec["item_amount"] = Decimal("0.00")
+
+        allowance_spec = self._build_travel_allowance_item_spec(
+            context_documents=context_documents,
+            specs=specs,
+            occurred_at=occurred_at,
+            expense_type=expense_type,
+            location=location,
+            context_json=context_json,
+            employee_grade=employee_grade,
+            user_id=user_id,
+        )
+        if allowance_spec is not None:
+            specs = [spec for spec in specs if str(spec.get("item_type") or "").strip() != "travel_allowance"]
+            specs.append(allowance_spec)
+
+        return specs
+
+    def _build_travel_allowance_item_spec(
+        self,
+        *,
+        context_documents: list[dict[str, Any]],
+        specs: list[dict[str, Any]],
+        occurred_at: datetime,
+        expense_type: str,
+        location: str,
+        context_json: dict[str, Any],
+        employee_grade: str | None,
+        user_id: str,
+    ) -> dict[str, Any] | None:
+        if not self._should_add_travel_allowance_item(
+            expense_type=expense_type,
+            context_documents=context_documents,
+            context_json=context_json,
+        ):
+            return None
+
+        grade = str(employee_grade or context_json.get("grade") or "").strip()
+        if not grade:
+            return None
+
+        days, _, end_date = self._resolve_travel_allowance_days(
+            context_json=context_json,
+            occurred_at=occurred_at,
+        )
+        allowance_location = self._resolve_travel_allowance_location(
+            location=location,
+            context_documents=context_documents,
+        )
+        if days < 1 or not allowance_location:
+            return None
+
+        try:
+            from app.services.travel_reimbursement_calculator import TravelReimbursementCalculatorService
+
+            result = TravelReimbursementCalculatorService(self.db).calculate(
+                TravelReimbursementCalculatorRequest(
+                    days=days,
+                    location=allowance_location,
+                    grade=grade,
+                ),
+                CurrentUserContext(
+                    username=user_id,
+                    name="",
+                    role_codes=[],
+                    is_admin=False,
+                ),
+            )
+        except ValueError:
+            return None
+
+        allowance_amount = Decimal(result.allowance_amount or Decimal("0.00")).quantize(Decimal("0.01"))
+        allowance_rate = Decimal(result.total_allowance_rate or Decimal("0.00")).quantize(Decimal("0.01"))
+        if allowance_amount <= Decimal("0.00") or allowance_rate <= Decimal("0.00"):
+            return None
+
+        return {
+            "item_date": end_date,
+            "item_type": "travel_allowance",
+            "item_reason": (
+                f"系统自动计算出差补贴：{result.matched_city}，{days}天，"
+                f"{allowance_rate:.2f}元/天"
+            ),
+            "item_location": str(result.allowance_region or allowance_location).strip(),
+            "item_amount": allowance_amount,
+            "invoice_id": None,
+        }
+
+    @staticmethod
+    def _should_add_travel_allowance_item(
+        *,
+        expense_type: str,
+        context_documents: list[dict[str, Any]],
+        context_json: dict[str, Any],
+    ) -> bool:
+        normalized_expense_type = str(expense_type or "").strip().lower()
+        if normalized_expense_type == "travel":
+            return True
+
+        review_form_values = context_json.get("review_form_values")
+        if isinstance(review_form_values, dict):
+            review_type = str(
+                review_form_values.get("expense_type")
+                or review_form_values.get("scene_label")
+                or review_form_values.get("reason_value")
+                or ""
+            )
+            if any(keyword in review_type for keyword in ("差旅", "出差")):
+                return True
+
+        for document in context_documents:
+            document_type = str(document.get("document_type") or "").strip()
+            scene_code = str(document.get("scene_code") or "").strip()
+            if document_type in {"train_ticket", "flight_itinerary", "hotel_invoice"} or scene_code == "travel":
+                return True
+        return False
+
+    def _resolve_travel_allowance_days(
+        self,
+        *,
+        context_json: dict[str, Any],
+        occurred_at: datetime,
+    ) -> tuple[int, date, date]:
+        start_date = occurred_at.date()
+        end_date = start_date
+
+        business_time_context = context_json.get("business_time_context")
+        if isinstance(business_time_context, dict):
+            start_date = self._parse_iso_date_or_default(business_time_context.get("start_date"), start_date)
+            end_date = self._parse_iso_date_or_default(business_time_context.get("end_date"), start_date)
+        else:
+            review_form_values = context_json.get("review_form_values")
+            if isinstance(review_form_values, dict):
+                time_text = str(
+                    review_form_values.get("time_range")
+                    or review_form_values.get("business_time")
+                    or review_form_values.get("occurred_date")
+                    or ""
+                ).strip()
+                matched_dates = re.findall(r"\d{4}-\d{2}-\d{2}", time_text)
+                if matched_dates:
+                    start_date = self._parse_iso_date_or_default(matched_dates[0], start_date)
+                    end_date = self._parse_iso_date_or_default(matched_dates[-1], start_date)
+
+        if end_date < start_date:
+            end_date = start_date
+        days = (end_date - start_date).days + 1
+        return max(1, days), start_date, end_date
+
+    @staticmethod
+    def _parse_iso_date_or_default(value: Any, fallback: date) -> date:
+        try:
+            return date.fromisoformat(str(value or "").strip())
+        except ValueError:
+            return fallback
+
+    @staticmethod
+    def _resolve_travel_allowance_location(
+        *,
+        location: str,
+        context_documents: list[dict[str, Any]],
+    ) -> str:
+        normalized_location = str(location or "").strip()
+        if normalized_location and normalized_location not in {"待补充", "未知", "暂无"}:
+            return normalized_location
+
+        for document in context_documents:
+            for field in list(document.get("document_fields") or []):
+                if not isinstance(field, dict):
+                    continue
+                key = str(field.get("key") or "").strip().lower()
+                label = str(field.get("label") or "").strip()
+                value = str(field.get("value") or "").strip()
+                if key == "route" or "行程" in label:
+                    separators = ("-", "至", "→", "->")
+                    for separator in separators:
+                        if separator in value:
+                            return value.split(separator)[-1].strip()
+                if key in {"destination", "arrival_city"} or label in {"目的地", "到达城市"}:
+                    return value
+        return ""
+
+    def _replace_claim_items(
         self,
         *,
         claim: ExpenseClaim,
@@ -1565,18 +1844,28 @@ class ExpenseClaimService:
             item.item_reason = spec["item_reason"]
             item.item_location = spec["item_location"]
             item.item_amount = spec["item_amount"]
-            item.invoice_id = self._merge_attachment_reference(item.invoice_id, spec["invoice_id"])
+            item.invoice_id = (
+                None
+                if str(spec.get("item_type") or "").strip() in SYSTEM_GENERATED_ITEM_TYPES
+                else self._merge_attachment_reference(item.invoice_id, spec["invoice_id"])
+            )
 
         for stale_item in existing_items[len(item_specs) :]:
             claim.items.remove(stale_item)
             self.db.delete(stale_item)
 
-    def _append_document_items(
-        self,
-        *,
-        claim: ExpenseClaim,
-        item_specs: list[dict[str, Any]],
-    ) -> None:
+    def _append_document_items(
+        self,
+        *,
+        claim: ExpenseClaim,
+        item_specs: list[dict[str, Any]],
+    ) -> None:
+        system_specs = [
+            spec for spec in item_specs if str(spec.get("item_type") or "").strip() in SYSTEM_GENERATED_ITEM_TYPES
+        ]
+        normal_specs = [
+            spec for spec in item_specs if str(spec.get("item_type") or "").strip() not in SYSTEM_GENERATED_ITEM_TYPES
+        ]
         existing_invoice_ids = {
             str(item.invoice_id or "").strip()
             for item in claim.items
@@ -1587,7 +1876,7 @@ class ExpenseClaimService:
             for item in claim.items
             if str(item.invoice_id or "").strip()
         }
-        for spec in item_specs:
+        for spec in normal_specs:
             invoice_id = str(spec.get("invoice_id") or "").strip()
             invoice_name = self._resolve_attachment_display_name(invoice_id)
             if invoice_id and (invoice_id in existing_invoice_ids or invoice_name in existing_invoice_names):
@@ -1607,15 +1896,40 @@ class ExpenseClaimService:
             if invoice_id:
                 existing_invoice_ids.add(invoice_id)
                 existing_invoice_names.add(invoice_name)
+
+        if system_specs:
+            existing_system_items = [
+                item for item in list(claim.items) if str(item.item_type or "").strip() in SYSTEM_GENERATED_ITEM_TYPES
+            ]
+            for stale_item in existing_system_items:
+                claim.items.remove(stale_item)
+                self.db.delete(stale_item)
+            for spec in system_specs:
+                claim.items.append(
+                    ExpenseClaimItem(
+                        claim_id=claim.id,
+                        item_date=spec["item_date"],
+                        item_type=spec["item_type"],
+                        item_reason=spec["item_reason"],
+                        item_location=spec["item_location"],
+                        item_amount=spec["item_amount"],
+                        invoice_id=spec["invoice_id"],
+                    )
+                )
+                self.db.add(claim.items[-1])
 
-    def _resolve_document_item_type(self, document: dict[str, Any], *, fallback: str) -> str:
-        scene_code = str(document.get("scene_code") or "").strip()
-        if scene_code in {"travel", "hotel", "transport", "meal", "office", "meeting", "training"}:
-            return scene_code
-
-        document_type = str(document.get("document_type") or "").strip()
-        if document_type in {"flight_itinerary", "train_ticket"}:
-            return "travel"
+    def _resolve_document_item_type(self, document: dict[str, Any], *, fallback: str) -> str:
+        document_type = str(document.get("document_type") or "").strip()
+        mapped_type = DOCUMENT_TYPE_ITEM_TYPE_MAP.get(document_type)
+        if mapped_type:
+            return mapped_type
+
+        scene_code = str(document.get("scene_code") or "").strip()
+        if scene_code in {"travel", "hotel", "transport", "meal", "office", "meeting", "training"}:
+            return scene_code
+
+        if document_type in {"flight_itinerary", "train_ticket"}:
+            return "travel"
         if document_type in {"taxi_receipt", "parking_toll_receipt", "transport_receipt"}:
             return "transport"
         if document_type == "hotel_invoice":
@@ -1639,12 +1953,212 @@ class ExpenseClaimService:
         if "会务" in scene_label or "会议" in scene_label:
             return "meeting"
         if "培训" in scene_label:
-            return "training"
-        return fallback or "other"
-
-    def _resolve_document_item_amount(self, document: dict[str, Any]) -> Decimal | None:
-        for field in list(document.get("document_fields") or []):
-            if not isinstance(field, dict):
+            return "training"
+        return fallback or "other"
+
+    def _resolve_document_item_reason(self, document: dict[str, Any], *, fallback: str) -> str:
+        document_type = str(document.get("document_type") or "").strip().lower()
+        item_type = self._resolve_document_item_type(document, fallback="")
+
+        if document_type in {"train_ticket", "flight_itinerary"} or item_type in {"train_ticket", "flight_ticket"}:
+            route = self._resolve_document_route_value(document)
+            trip_no = self._resolve_document_fact_field(
+                document,
+                keys={"trip_no", "flight_no", "train_no"},
+                labels={"车次", "航班"},
+            )
+            if route and trip_no:
+                return f"{self._format_document_route(route)}（{trip_no}）"
+            if route:
+                return self._format_document_route(route)
+
+        if document_type in {"taxi_receipt", "transport_receipt"} or item_type == "ride_ticket":
+            route = self._resolve_document_route_value(document)
+            if route:
+                return self._format_document_route(route)
+
+        if document_type == "hotel_invoice" or item_type == "hotel_ticket":
+            merchant = self._resolve_document_fact_field(
+                document,
+                keys={"merchant_name", "merchant", "seller_name", "vendor_name", "hotel_name"},
+                labels={"商户", "酒店", "宾馆", "销售方", "开票方"},
+            )
+            stay_range = self._resolve_document_stay_range(document)
+            if merchant and stay_range:
+                return f"{merchant}，{stay_range}"
+            if merchant:
+                return merchant
+            if stay_range:
+                return stay_range
+
+        merchant = self._resolve_document_fact_field(
+            document,
+            keys={"merchant_name", "merchant", "seller_name", "vendor_name"},
+            labels={"商户", "销售方", "开票方", "收款方"},
+        )
+        if merchant:
+            return merchant
+
+        summary = str(document.get("summary") or "").strip()
+        return summary or fallback or ""
+
+    def _resolve_document_route_value(self, document: dict[str, Any]) -> str:
+        route = self._resolve_document_fact_field(
+            document,
+            keys={"route", "trip_route"},
+            labels={"行程", "路线"},
+        )
+        if route:
+            return route
+
+        origin = self._resolve_document_fact_field(
+            document,
+            keys={
+                "origin",
+                "from",
+                "from_city",
+                "departure",
+                "departure_city",
+                "start",
+                "start_location",
+                "start_address",
+                "pickup_location",
+                "pickup_address",
+                "boarding_station",
+            },
+            labels=DOCUMENT_ROUTE_ORIGIN_LABELS,
+        )
+        destination = self._resolve_document_fact_field(
+            document,
+            keys={
+                "destination",
+                "to",
+                "to_city",
+                "arrival",
+                "arrival_city",
+                "end",
+                "end_location",
+                "end_address",
+                "dropoff_location",
+                "dropoff_address",
+                "alighting_station",
+            },
+            labels=DOCUMENT_ROUTE_DESTINATION_LABELS,
+        )
+        if origin and destination:
+            return f"{origin}-{destination}"
+
+        text = " ".join(
+            [
+                str(document.get("summary") or "").strip(),
+                str(document.get("text") or "").strip(),
+            ]
+        ).strip()
+        text_route = self._extract_document_route_from_text(text)
+        if text_route:
+            return text_route
+
+        text_origin = self._extract_document_labeled_text_value(text, DOCUMENT_ROUTE_ORIGIN_LABELS)
+        text_destination = self._extract_document_labeled_text_value(text, DOCUMENT_ROUTE_DESTINATION_LABELS)
+        if text_origin and text_destination:
+            return f"{text_origin}-{text_destination}"
+        return ""
+
+    @staticmethod
+    def _resolve_document_fact_field(
+        document: dict[str, Any],
+        *,
+        keys: set[str],
+        labels: set[str],
+    ) -> str:
+        raw_fields = document.get("document_fields")
+        if not isinstance(raw_fields, list):
+            raw_fields = document.get("fields")
+        if not isinstance(raw_fields, list):
+            return ""
+
+        normalized_keys = {str(key or "").strip().lower().replace("_", "") for key in keys}
+        for field in raw_fields:
+            if not isinstance(field, dict):
+                continue
+            field_key = str(field.get("key") or "").strip().lower().replace("_", "")
+            label = str(field.get("label") or "").replace(" ", "")
+            value = str(field.get("value") or "").strip()
+            if not value:
+                continue
+            if field_key in normalized_keys or any(token in label for token in labels):
+                return value
+        return ""
+
+    @staticmethod
+    def _format_document_route(route: str) -> str:
+        normalized = (
+            str(route or "")
+            .strip()
+            .replace("->", "-")
+            .replace("→", "-")
+            .replace("—", "-")
+            .replace("–", "-")
+            .replace("至", "-")
+            .replace("到", "-")
+        )
+        if "-" not in normalized:
+            return str(route or "").strip()
+        origin, destination = [part.strip() for part in normalized.split("-", 1)]
+        origin = origin.removeprefix("从").strip()
+        destination = destination.removeprefix("至").removeprefix("到").strip()
+        if not origin or not destination or origin == destination:
+            return str(route or "").strip()
+        return f"从{origin}到{destination}"
+
+    @staticmethod
+    def _extract_document_route_from_text(text: str) -> str:
+        match = DOCUMENT_ROUTE_TEXT_PATTERN.search(str(text or ""))
+        if not match:
+            return ""
+        origin = str(match.group(1) or "").strip()
+        destination = str(match.group(2) or "").strip()
+        if not origin or not destination or origin == destination:
+            return ""
+        return f"{origin}-{destination}"
+
+    @staticmethod
+    def _extract_document_labeled_text_value(text: str, labels: set[str]) -> str:
+        for label in sorted(labels, key=len, reverse=True):
+            pattern = re.compile(
+                rf"{re.escape(label)}[：:\s]*"
+                r"([A-Za-z0-9\u4e00-\u9fa5（）()·\-路街道号弄区县市省园桥站机场中心]{2,50})"
+            )
+            match = pattern.search(str(text or ""))
+            if match:
+                return str(match.group(1) or "").strip()
+        return ""
+
+    def _resolve_document_stay_range(self, document: dict[str, Any]) -> str:
+        check_in = self._resolve_document_fact_field(
+            document,
+            keys={"check_in", "checkin", "arrival_date", "start_date"},
+            labels={"入住", "入住日期", "到店", "开始日期"},
+        )
+        check_out = self._resolve_document_fact_field(
+            document,
+            keys={"check_out", "checkout", "departure_date", "end_date"},
+            labels={"离店", "退房", "离店日期", "结束日期"},
+        )
+        if check_in and check_out:
+            return f"{check_in}至{check_out}"
+        nights = self._resolve_document_fact_field(
+            document,
+            keys={"nights", "night_count", "room_nights"},
+            labels={"间夜", "晚数", "入住天数"},
+        )
+        if nights:
+            return f"{nights}晚"
+        return ""
+
+    def _resolve_document_item_amount(self, document: dict[str, Any]) -> Decimal | None:
+        for field in list(document.get("document_fields") or []):
+            if not isinstance(field, dict):
                 continue
             key = str(field.get("key") or "").strip().lower().replace("_", "")
             label = str(field.get("label") or "").replace(" ", "")
@@ -2575,6 +3089,21 @@ class ExpenseClaimService:
             "fields": normalized_fields,
         }
 
+    def _backfill_item_type_from_attachment(
+        self,
+        *,
+        item: ExpenseClaimItem,
+        document_info: dict[str, Any],
+    ) -> None:
+        current_type = str(item.item_type or "").strip().lower()
+        if current_type not in GENERIC_ATTACHMENT_BACKFILL_ITEM_TYPES:
+            return
+
+        document_type = str(document_info.get("document_type") or "").strip()
+        mapped_type = DOCUMENT_TYPE_ITEM_TYPE_MAP.get(document_type)
+        if mapped_type:
+            item.item_type = mapped_type
+
     def _backfill_item_amount_from_attachment(
         self,
         *,
@@ -2596,6 +3125,27 @@ class ExpenseClaimService:
         if amount is not None and amount > Decimal("0.00"):
             item.item_amount = amount
 
+    def _backfill_item_reason_from_attachment(
+        self,
+        *,
+        item: ExpenseClaimItem,
+        document: Any,
+        document_info: dict[str, Any],
+    ) -> None:
+        reason = self._resolve_document_item_reason(
+            {
+                "document_type": str(document_info.get("document_type") or "").strip(),
+                "scene_code": str(document_info.get("scene_code") or "").strip(),
+                "scene_label": str(document_info.get("scene_label") or "").strip(),
+                "document_fields": document_info.get("fields") or [],
+                "summary": str(getattr(document, "summary", "") or ""),
+                "text": str(getattr(document, "text", "") or ""),
+            },
+            fallback=str(item.item_reason or "").strip(),
+        )
+        if reason:
+            item.item_reason = reason
+
     def _build_attachment_requirement_check(
         self,
         *,
@@ -3063,6 +3613,17 @@ class ExpenseClaimService:
         if not self._is_editable_claim_status(claim.status):
             raise ValueError("只有草稿、待补充或退回待提交状态的报销单才允许执行该操作。")
 
+    @staticmethod
+    def _ensure_draft_pending_claim(claim: ExpenseClaim) -> None:
+        status = str(claim.status or "").strip().lower()
+        if status != "draft":
+            raise ValueError("只有草稿待提交状态的报销单才允许编辑附加说明。")
+
+    @staticmethod
+    def _ensure_mutable_claim_item(item: ExpenseClaimItem) -> None:
+        if str(item.item_type or "").strip().lower() in SYSTEM_GENERATED_ITEM_TYPES:
+            raise ValueError("系统自动计算的费用明细不可手动修改。")
+
     def _delete_submitted_claim_assistant_sessions(self, claim_id: str | None) -> None:
         from app.services.agent_conversations import AgentConversationService
 
@@ -4531,10 +5092,16 @@ class ExpenseClaimService:
             primary_item.item_date.day,
             tzinfo=UTC,
         )
-        claim.expense_type = str(primary_item.item_type or claim.expense_type or "other").strip() or "other"
-        claim.reason = (
-            self._normalize_optional_text(primary_item.item_reason, fallback=claim.reason or "待补充") or "待补充"
-        )
+        claim.expense_type = self._resolve_claim_expense_type_from_items(
+            ordered_items,
+            fallback=str(primary_item.item_type or claim.expense_type or "other").strip() or "other",
+        )
+        primary_item_type = str(primary_item.item_type or "").strip()
+        if primary_item_type not in DOCUMENT_FACT_ITEM_TYPES:
+            claim.reason = (
+                self._normalize_optional_text(primary_item.item_reason, fallback=claim.reason or "待补充")
+                or "待补充"
+            )
         claim.location = (
             self._normalize_optional_text(primary_item.item_location, fallback=claim.location or "待补充")
             or "待补充"
@@ -4543,8 +5110,20 @@ class ExpenseClaimService:
             claim,
             self._build_claim_attachment_risk_flags(ordered_items),
         )
-        if str(claim.status or "").strip().lower() == "draft":
-            claim.approval_stage = "待提交"
+        if str(claim.status or "").strip().lower() == "draft":
+            claim.approval_stage = "待提交"
+
+    @staticmethod
+    def _resolve_claim_expense_type_from_items(
+        items: list[ExpenseClaimItem],
+        *,
+        fallback: str,
+    ) -> str:
+        fallback_type = str(fallback or "").strip() or "other"
+        item_types = {str(item.item_type or "").strip().lower() for item in items}
+        if item_types & TRAVEL_DETAIL_ITEM_TYPES:
+            return "travel"
+        return fallback_type
 
     def _refresh_item_attachment_analysis(self, item: ExpenseClaimItem) -> None:
         file_path = self._resolve_attachment_path(item.invoice_id)
diff --git a/server/src/app/services/user_agent.py b/server/src/app/services/user_agent.py
index ff7fe8a..5d6a822 100644
--- a/server/src/app/services/user_agent.py
+++ b/server/src/app/services/user_agent.py
@@ -9,10 +9,12 @@ from typing import Any
 from sqlalchemy import or_, select
 from sqlalchemy.orm import Session, selectinload
 
+from app.api.deps import CurrentUserContext
 from app.core.agent_enums import AgentAssetStatus, AgentAssetType
 from app.models.employee import Employee
 from app.models.financial_record import ExpenseClaim
 from app.schemas.agent_asset import AgentAssetListItem
+from app.schemas.reimbursement import TravelReimbursementCalculatorRequest
 from app.schemas.user_agent import (
     UserAgentCitation,
     UserAgentDraftPayload,
@@ -37,6 +39,7 @@ from app.services.expense_claims import ExpenseClaimService
 from app.services.expense_rule_runtime import ExpenseRuleRuntimeService, RuntimeTravelPolicy, resolve_document_type_label
 from app.services.risk_ontology_bridge import resolve_rule_codes_for_risk_check
 from app.services.runtime_chat import RuntimeChatService
+from app.services.travel_reimbursement_calculator import TravelReimbursementCalculatorService
 
 SCENARIO_LABELS = {
     "expense": "报销",
@@ -187,6 +190,7 @@ DOCUMENT_AMOUNT_PATTERN = re.compile(
 )
 DOCUMENT_CURRENCY_AMOUNT_PATTERN = re.compile(r"[￥¥]\s*([0-9]+(?:[.,][0-9]{1,2})?)")
 TRAVEL_REVIEW_HOTEL_NIGHT_PATTERN = re.compile(r"(\d+)\s*(?:晚|间夜)")
+TRAVEL_ROUTE_PATTERN = re.compile(r"([\u4e00-\u9fa5]{2,12})\s*(?:至|→|->|-|—)\s*([\u4e00-\u9fa5]{2,12})")
 
 SOURCE_LABELS = {
     "user_text": "用户描述",
@@ -1900,6 +1904,11 @@ class UserAgentService:
             ocr_documents=ocr_documents,
             claim_groups=claim_groups,
         )
+        travel_receipt_state = self._build_travel_receipt_state(
+            payload,
+            document_cards=document_cards,
+            claim_groups=claim_groups,
+        )
         missing_slot_keys = self._resolve_review_missing_slot_keys(
             payload,
             slot_cards=slot_cards,
@@ -1911,10 +1920,11 @@ class UserAgentService:
             document_cards=document_cards,
             claim_groups=claim_groups,
         )
+        risk_briefs.extend(self._build_travel_receipt_briefs(travel_receipt_state))
         association_choice_pending = self._is_review_association_choice_pending(payload)
         can_proceed = (
             False
-            if association_choice_pending or submission_blocked
+            if association_choice_pending or submission_blocked or travel_receipt_state.get("blocks_next_step")
             else self._can_proceed_review(
                 payload,
                 missing_slot_keys=missing_slot_keys,
@@ -1943,7 +1953,15 @@ class UserAgentService:
             risk_briefs=risk_briefs,
             can_proceed=can_proceed,
             document_cards=document_cards,
+            travel_receipt_state=travel_receipt_state,
         )
+        missing_slot_labels = [SLOT_LABELS.get(key, key) for key in missing_slot_keys]
+        missing_slot_labels.extend(
+            str(item)
+            for item in travel_receipt_state.get("required_missing_labels", [])
+            if str(item).strip()
+        )
+        missing_slot_labels = list(dict.fromkeys(missing_slot_labels))
 
         return UserAgentReviewPayload(
             intent_summary=intent_summary,
@@ -1951,7 +1969,7 @@ class UserAgentService:
             scenario=payload.ontology.scenario,
             intent=payload.ontology.intent,
             can_proceed=can_proceed,
-            missing_slots=[SLOT_LABELS.get(key, key) for key in missing_slot_keys],
+            missing_slots=missing_slot_labels,
             risk_briefs=risk_briefs,
             slot_cards=slot_cards,
             document_cards=document_cards,
@@ -2649,6 +2667,230 @@ class UserAgentService:
             return True
         return any(keyword in message_context for keyword in ("差旅", "出差", "机票", "火车", "高铁", "酒店", "住宿"))
 
+    def _build_travel_receipt_state(
+        self,
+        payload: UserAgentRequest,
+        *,
+        document_cards: list[UserAgentReviewDocumentCard],
+        claim_groups: list[UserAgentReviewClaimGroup],
+    ) -> dict[str, Any]:
+        empty_state: dict[str, Any] = {
+            "is_travel_context": False,
+            "has_long_distance_ticket": False,
+            "ticket_type_label": "",
+            "ticket_amount": Decimal("0.00"),
+            "destination": "",
+            "days": 1,
+            "has_hotel_invoice": False,
+            "has_local_transport": False,
+            "required_missing_labels": [],
+            "optional_missing_labels": [],
+            "blocks_next_step": False,
+        }
+        if not document_cards or not self._is_travel_review_context(payload, document_cards, claim_groups):
+            return empty_state
+
+        long_distance_cards = [card for card in document_cards if self._is_long_distance_travel_card(card)]
+        if not long_distance_cards:
+            return {
+                **empty_state,
+                "is_travel_context": True,
+            }
+
+        has_hotel_invoice = any(self._is_review_hotel_card(card) for card in document_cards)
+        has_local_transport = any(self._is_local_transport_receipt_card(card) for card in document_cards)
+        required_missing_labels = [] if has_hotel_invoice else ["酒店的报销票据待上传（必须）"]
+        optional_missing_labels = [] if has_local_transport else ["市内交通/乘车票据可继续上传（非必须）"]
+        ticket_amount = sum(
+            (self._extract_amount_decimal_from_card(card) or Decimal("0.00"))
+            for card in long_distance_cards
+        ).quantize(Decimal("0.01"))
+
+        return {
+            **empty_state,
+            "is_travel_context": True,
+            "has_long_distance_ticket": True,
+            "ticket_type_label": self._resolve_travel_ticket_type_label(long_distance_cards),
+            "ticket_amount": ticket_amount,
+            "destination": self._resolve_travel_receipt_destination(payload, long_distance_cards),
+            "days": self._resolve_travel_receipt_days(payload, long_distance_cards),
+            "has_hotel_invoice": has_hotel_invoice,
+            "has_local_transport": has_local_transport,
+            "required_missing_labels": required_missing_labels,
+            "optional_missing_labels": optional_missing_labels,
+            "blocks_next_step": bool(required_missing_labels),
+        }
+
+    @staticmethod
+    def _is_long_distance_travel_card(card: UserAgentReviewDocumentCard) -> bool:
+        document_type = str(card.document_type or "").strip().lower()
+        return document_type in {"train_ticket", "flight_itinerary"}
+
+    @staticmethod
+    def _is_local_transport_receipt_card(card: UserAgentReviewDocumentCard) -> bool:
+        document_type = str(card.document_type or "").strip().lower()
+        suggested_type = str(card.suggested_expense_type or "").strip().lower()
+        return document_type in {"taxi_receipt", "parking_toll_receipt", "transport_receipt"} or (
+            suggested_type == "transport" and document_type not in {"train_ticket", "flight_itinerary"}
+        )
+
+    @staticmethod
+    def _resolve_travel_ticket_type_label(cards: list[UserAgentReviewDocumentCard]) -> str:
+        labels: list[str] = []
+        for card in cards:
+            document_type = str(card.document_type or "").strip().lower()
+            if document_type == "train_ticket" and "火车" not in labels:
+                labels.append("火车")
+            if document_type == "flight_itinerary" and "飞机" not in labels:
+                labels.append("飞机")
+        return "/".join(labels) if labels else "交通"
+
+    def _resolve_travel_receipt_destination(
+        self,
+        payload: UserAgentRequest,
+        long_distance_cards: list[UserAgentReviewDocumentCard],
+    ) -> str:
+        for card in long_distance_cards:
+            for field in card.fields:
+                if str(field.label or "").strip() not in {"行程", "路线"}:
+                    continue
+                destination = self._extract_travel_destination_from_route(field.value)
+                if destination:
+                    return self._normalize_travel_destination(destination)
+
+            card_text = self._build_review_document_card_text(card)
+            route_match = TRAVEL_ROUTE_PATTERN.search(card_text)
+            if route_match:
+                return self._normalize_travel_destination(route_match.group(2))
+
+        location = self._resolve_location_value(payload)
+        if location:
+            return self._normalize_travel_destination(location)
+        return ""
+
+    @staticmethod
+    def _extract_travel_destination_from_route(value: str) -> str:
+        route_text = str(value or "").strip()
+        if not route_text:
+            return ""
+        route_match = TRAVEL_ROUTE_PATTERN.search(route_text)
+        if route_match:
+            return route_match.group(2).strip()
+        parts = [
+            item.strip()
+            for item in re.split(r"\s*(?:至|到|→|->|-|—|~|～)\s*", route_text)
+            if item.strip()
+        ]
+        return parts[-1] if len(parts) >= 2 else ""
+
+    def _normalize_travel_destination(self, value: str) -> str:
+        candidate = re.sub(
+            r"(?:火车站|高铁站|动车站|车站|站|机场|航站楼)$",
+            "",
+            str(value or "").strip(),
+        )
+        if not candidate:
+            return ""
+        try:
+            policy = ExpenseRuleRuntimeService(self.db).load_catalog().travel_policy
+        except Exception:
+            policy = None
+        if policy is not None:
+            policy_city = self._extract_policy_city_from_text(candidate, policy)
+            if policy_city:
+                return policy_city
+        return candidate
+
+    def _resolve_travel_receipt_days(
+        self,
+        payload: UserAgentRequest,
+        long_distance_cards: list[UserAgentReviewDocumentCard],
+    ) -> int:
+        dates: list[datetime] = []
+        for card in long_distance_cards:
+            card_text = self._build_review_document_card_text(card)
+            dates.extend(self._extract_dates_from_text(card_text))
+
+        if dates:
+            return max(1, (max(dates).date() - min(dates).date()).days + 1)
+
+        start_date = self._parse_date_text(payload.ontology.time_range.start_date or "")
+        end_date = self._parse_date_text(payload.ontology.time_range.end_date or "")
+        if start_date and end_date:
+            return max(1, (end_date.date() - start_date.date()).days + 1)
+        return 1
+
+    @staticmethod
+    def _extract_dates_from_text(text: str) -> list[datetime]:
+        dates: list[datetime] = []
+        for match in DATE_TEXT_PATTERN.finditer(str(text or "")):
+            parsed = UserAgentService._parse_date_text(match.group(1))
+            if parsed is not None:
+                dates.append(parsed)
+        return dates
+
+    @staticmethod
+    def _parse_date_text(value: str) -> datetime | None:
+        raw_value = str(value or "").strip()
+        if not raw_value:
+            return None
+        normalized = (
+            raw_value.replace("年", "-")
+            .replace("月", "-")
+            .replace("/", "-")
+            .replace("日", "")
+            .strip()
+        )
+        parts = [part for part in normalized.split("-") if part]
+        if len(parts) != 3:
+            return None
+        try:
+            year, month, day = (int(part) for part in parts)
+            return datetime(year, month, day)
+        except ValueError:
+            return None
+
+    def _build_travel_receipt_briefs(
+        self,
+        travel_receipt_state: dict[str, Any],
+    ) -> list[UserAgentReviewRiskBrief]:
+        if not travel_receipt_state.get("has_long_distance_ticket"):
+            return []
+
+        required_labels = [
+            str(item).strip()
+            for item in travel_receipt_state.get("required_missing_labels", [])
+            if str(item).strip()
+        ]
+        optional_labels = [
+            str(item).strip()
+            for item in travel_receipt_state.get("optional_missing_labels", [])
+            if str(item).strip()
+        ]
+        if not required_labels and not optional_labels:
+            return []
+
+        content_parts = [*required_labels, *optional_labels]
+        required_text = "；".join(required_labels)
+        optional_text = "；".join(optional_labels)
+        return [
+            UserAgentReviewRiskBrief(
+                title="差旅票据待补充",
+                level="warning" if required_labels else "info",
+                content="；".join(content_parts),
+                detail=(
+                    "系统已识别到长途交通票据，会按差旅报销口径核对住宿、交通等票据完整性。"
+                    + (f"当前必须补充：{required_text}。" if required_text else "")
+                    + (f"当前还可以补充：{optional_text}。" if optional_text else "")
+                ),
+                suggestion=(
+                    "请先补充酒店住宿发票或住宿清单；在补齐前只能保存为草稿。"
+                    if required_labels
+                    else "如还有市内交通、打车、地铁或停车等乘车票据，可以继续上传；没有也可以进入下一步或保存草稿。"
+                ),
+            )
+        ]
+
     def _resolve_review_travel_allowance_standard(
         self,
         policy: RuntimeTravelPolicy,
@@ -3008,7 +3250,7 @@ class UserAgentService:
         if draft_payload is not None and draft_payload.claim_no and not can_proceed:
             primary_action.description = f"保存后会生成草稿 {draft_payload.claim_no}，后续仍可继续补充。"
 
-        return [
+        actions = [
             UserAgentReviewAction(
                 label="取消",
                 action_type="cancel_review",
@@ -3021,8 +3263,18 @@ class UserAgentService:
                 description="打开结构化模板，按已识别字段逐项修改。",
                 emphasis="secondary",
             ),
-            primary_action,
         ]
+        if can_proceed:
+            actions.append(
+                UserAgentReviewAction(
+                    label="保存为草稿",
+                    action_type="save_draft",
+                    description="先暂存当前已识别信息，稍后仍可从个人报销继续补充或提交。",
+                    emphasis="secondary",
+                )
+            )
+        actions.append(primary_action)
+        return actions
 
     def _build_review_intent_summary(
         self,
@@ -3086,20 +3338,22 @@ class UserAgentService:
             return "已按您当前确认的信息保存为草稿。后续您可以继续补充缺失项，或修改识别结果后再继续提交。"
         if review_action == "link_to_existing_draft":
             document_count = self._resolve_review_document_count(payload)
+            followup_copy = self._build_review_action_followup_copy(review_payload)
             if draft_payload is not None and draft_payload.claim_no:
                 return (
                     f"已将本次上传的 {document_count} 张票据关联到草稿 {draft_payload.claim_no}。"
-                    "您可以继续补充识别字段，确认无误后再提交审批。"
+                    f"{followup_copy or '您可以继续补充识别字段，确认无误后再提交审批。'}"
                 )
-            return "已将本次上传的票据关联到现有草稿。您可以继续补充识别字段，确认无误后再提交审批。"
+            return f"已将本次上传的票据关联到现有草稿。{followup_copy or '您可以继续补充识别字段，确认无误后再提交审批。'}"
         if review_action == "create_new_claim_from_documents":
             document_count = self._resolve_review_document_count(payload)
+            followup_copy = self._build_review_action_followup_copy(review_payload)
             if draft_payload is not None and draft_payload.claim_no:
                 return (
                     f"已按当前上传的 {document_count} 张票据新建报销草稿 {draft_payload.claim_no}。"
-                    "您可以继续补充识别字段，确认无误后再提交审批。"
+                    f"{followup_copy or '您可以继续补充识别字段，确认无误后再提交审批。'}"
                 )
-            return "已按当前上传票据新建报销草稿。您可以继续补充识别字段，确认无误后再提交审批。"
+            return f"已按当前上传票据新建报销草稿。{followup_copy or '您可以继续补充识别字段，确认无误后再提交审批。'}"
         if review_action == "next_step":
             if draft_payload is not None and draft_payload.status == "submitted":
                 stage_text = draft_payload.approval_stage or "审批中"
@@ -3135,6 +3389,7 @@ class UserAgentService:
         risk_briefs: list[UserAgentReviewRiskBrief],
         can_proceed: bool,
         document_cards: list[UserAgentReviewDocumentCard],
+        travel_receipt_state: dict[str, Any] | None = None,
     ) -> str:
         if self._is_review_association_choice_pending(payload):
             claim_no = str(payload.tool_payload.get("association_candidate_claim_no") or "").strip()
@@ -3157,13 +3412,30 @@ class UserAgentService:
                 "请先根据风险提示补充原因、调整金额或更换附件，整改后再继续提交。"
             )
 
+        travel_message = self._build_travel_receipt_guidance_message(
+            payload,
+            travel_receipt_state=travel_receipt_state or {},
+            can_proceed=can_proceed,
+        )
+        if travel_message:
+            return travel_message
+
+        missing_labels = self._resolve_review_missing_slot_labels(slot_cards)
+        if travel_receipt_state:
+            missing_labels.extend(
+                str(item)
+                for item in travel_receipt_state.get("required_missing_labels", [])
+                if str(item).strip()
+            )
+            missing_labels = list(dict.fromkeys(missing_labels))
+
         review_payload = UserAgentReviewPayload(
             intent_summary="",
             body_message="",
             scenario=payload.ontology.scenario,
             intent=payload.ontology.intent,
             can_proceed=can_proceed,
-            missing_slots=self._resolve_review_missing_slot_labels(slot_cards),
+            missing_slots=missing_labels,
             risk_briefs=risk_briefs,
             slot_cards=slot_cards,
             document_cards=[],
@@ -3176,6 +3448,155 @@ class UserAgentService:
             f"{self._build_review_guidance_copy(review_payload, mention_save_draft=not can_proceed)}"
         )
 
+    @staticmethod
+    def _build_review_action_followup_copy(review_payload: UserAgentReviewPayload) -> str:
+        missing_slots = [str(item).strip() for item in review_payload.missing_slots if str(item).strip()]
+        receipt_briefs = [
+            item
+            for item in review_payload.risk_briefs
+            if "差旅票据待补充" in str(item.title or "")
+        ]
+        if missing_slots:
+            return f"当前仍有 {'、'.join(missing_slots)}，暂时只能保存为草稿，补齐后再继续下一步。"
+        if receipt_briefs:
+            return "当前必需票据已具备；如还有市内交通、打车、地铁或停车等乘车票据，可以继续上传，也可以继续下一步或保存草稿。"
+        if review_payload.can_proceed:
+            return "当前信息已较完整，您可以继续下一步，也可以先保存为草稿。"
+        return ""
+
+    def _build_travel_receipt_guidance_message(
+        self,
+        payload: UserAgentRequest,
+        *,
+        travel_receipt_state: dict[str, Any],
+        can_proceed: bool,
+    ) -> str:
+        review_action = str(payload.context_json.get("review_action") or "").strip()
+        if review_action or not travel_receipt_state.get("has_long_distance_ticket"):
+            return ""
+
+        employee = self._resolve_employee_profile(payload)
+        user_name = (
+            str(employee.name).strip()
+            if employee is not None and employee.name
+            else str(payload.context_json.get("name") or payload.user_id or "同事").strip()
+        )
+        destination = str(travel_receipt_state.get("destination") or "待确认").strip()
+        days = max(1, int(travel_receipt_state.get("days") or 1))
+        ticket_type_label = str(travel_receipt_state.get("ticket_type_label") or "交通").strip()
+        ticket_amount = self._coerce_decimal_money(travel_receipt_state.get("ticket_amount"))
+
+        required_labels = [
+            str(item).strip()
+            for item in travel_receipt_state.get("required_missing_labels", [])
+            if str(item).strip()
+        ]
+        optional_labels = [
+            str(item).strip()
+            for item in travel_receipt_state.get("optional_missing_labels", [])
+            if str(item).strip()
+        ]
+
+        lines = [
+            f"您好：{user_name}，根据您提交的票据信息，您可能出差的地点为 {destination}，天数为：{days} 天。",
+            f"根据票据，您现在提交的是{ticket_type_label}票，一共金额为：{self._format_decimal_money(ticket_amount)} 元。",
+        ]
+
+        provide_items: list[str] = []
+        if required_labels:
+            provide_items.append("1. 酒店住宿发票/住宿清单（必须，当前待上传）")
+        if optional_labels:
+            provide_items.append(f"{len(provide_items) + 1}. 市内交通/乘车票据（非必须，如打车、地铁、停车等）")
+        if provide_items:
+            lines.append("根据公司相关报销制度，您还可以继续提供：\n" + "\n".join(provide_items))
+        else:
+            lines.append("根据公司相关报销制度，当前核心票据已较完整，无需继续上传票据。")
+
+        if required_labels:
+            lines.append("酒店票据仍缺失，所以暂时不能继续下一步；您可以先保存为草稿，补齐后再提交。")
+        elif can_proceed and optional_labels:
+            lines.append("当前必需票据已具备；如暂时没有乘车票据，也可以继续下一步，或先保存为草稿。")
+        elif can_proceed:
+            lines.append("当前信息已较完整，确认无误后可以继续下一步，也可以先保存为草稿。")
+
+        estimate_copy = self._build_travel_receipt_estimate_copy(
+            payload,
+            travel_receipt_state=travel_receipt_state,
+        )
+        if estimate_copy:
+            lines.append(estimate_copy)
+        return "\n".join(line for line in lines if line)
+
+    def _build_travel_receipt_estimate_copy(
+        self,
+        payload: UserAgentRequest,
+        *,
+        travel_receipt_state: dict[str, Any],
+    ) -> str:
+        destination = str(travel_receipt_state.get("destination") or "").strip()
+        days = max(1, int(travel_receipt_state.get("days") or 1))
+        ticket_type_label = str(travel_receipt_state.get("ticket_type_label") or "交通").strip()
+        ticket_amount = self._coerce_decimal_money(travel_receipt_state.get("ticket_amount"))
+        employee = self._resolve_employee_profile(payload)
+        grade = self._resolve_review_employee_grade(payload, employee=employee)
+
+        if not destination or not grade:
+            return (
+                "根据公司差旅费报销依据，"
+                f"您的职级为：{grade or '待确认'}，去{destination or '出差地点待确认'}，"
+                f"当前可确认的{ticket_type_label}票据金额为：{self._format_decimal_money(ticket_amount)} 元；"
+                "住宿和补贴金额需补齐职级或地点后再核算。"
+            )
+
+        current_user = CurrentUserContext(
+            username=str(payload.user_id or payload.context_json.get("name") or "anonymous").strip() or "anonymous",
+            name=str(payload.context_json.get("name") or payload.user_id or "anonymous").strip() or "anonymous",
+            role_codes=[
+                str(item).strip()
+                for item in list(payload.context_json.get("role_codes") or [])
+                if str(item).strip()
+            ],
+            is_admin=bool(payload.context_json.get("is_admin")),
+            department_name=str(payload.context_json.get("department_name") or payload.context_json.get("department") or "").strip(),
+        )
+        try:
+            calculation = TravelReimbursementCalculatorService(self.db).calculate(
+                TravelReimbursementCalculatorRequest(days=days, location=destination, grade=grade),
+                current_user,
+            )
+        except Exception:
+            return (
+                "根据公司差旅费报销依据，"
+                f"您的职级为：{grade}，去{destination}，当前可确认的{ticket_type_label}票据金额为："
+                f"{self._format_decimal_money(ticket_amount)} 元；住宿和补贴标准暂时无法自动测算，请以规则中心最新差旅标准为准。"
+            )
+
+        total_amount = (
+            ticket_amount
+            + self._coerce_decimal_money(calculation.hotel_amount)
+            + self._coerce_decimal_money(calculation.allowance_amount)
+        ).quantize(Decimal("0.01"))
+        return (
+            "根据公司差旅费报销依据，"
+            f"您的职级为：{calculation.grade}，去{calculation.matched_city or destination}，"
+            "报销费用核算约为："
+            f"已提交{ticket_type_label} {self._format_decimal_money(ticket_amount)} 元 + "
+            f"住宿标准 {self._format_decimal_money(calculation.hotel_rate)} 元/天 × {calculation.days} 天 + "
+            f"出差补贴 {self._format_decimal_money(calculation.total_allowance_rate)} 元/天 × {calculation.days} 天 = "
+            f"{self._format_decimal_money(total_amount)} 元。"
+        )
+
+    @staticmethod
+    def _coerce_decimal_money(value: Any) -> Decimal:
+        try:
+            return Decimal(str(value or "0")).quantize(Decimal("0.01"))
+        except (InvalidOperation, ValueError):
+            return Decimal("0.00")
+
+    @staticmethod
+    def _format_decimal_money(value: Any) -> str:
+        return f"{UserAgentService._coerce_decimal_money(value):.2f}"
+
     @staticmethod
     def _resolve_review_missing_slot_labels(
         slot_cards: list[UserAgentReviewSlotCard],
@@ -4076,16 +4497,11 @@ class UserAgentService:
 
         merchant_value = ""
         for document in ocr_documents:
-            if str(document.get("document_type") or "").strip().lower() != "hotel_invoice":
+            if not self._is_hotel_document_item(document):
                 continue
             merchant_value = self._extract_document_merchant_name(document)
             if merchant_value:
                 break
-        if not merchant_value:
-            for document in ocr_documents:
-                merchant_value = self._extract_document_merchant_name(document)
-                if merchant_value:
-                    break
         if merchant_value:
             return self._build_slot_value(
                 value=merchant_value,
@@ -4407,6 +4823,8 @@ class UserAgentService:
                     label=display_label,
                     value=value,
                 )
+                if display_label == "商户/酒店" and not self._is_hotel_document_item(item):
+                    continue
                 if display_label and normalized_value:
                     normalized_fields.setdefault(display_label, normalized_value)
 
@@ -4418,7 +4836,7 @@ class UserAgentService:
         if date_match and "时间" not in normalized_fields:
             normalized_fields["时间"] = date_match.group(1)
 
-        merchant = self._extract_document_merchant_name_from_text(text)
+        merchant = self._extract_document_merchant_name_from_text(text) if self._is_hotel_document_item(item) else ""
         if merchant and "商户/酒店" not in normalized_fields:
             normalized_fields["商户/酒店"] = merchant
         return normalized_fields
@@ -4484,9 +4902,25 @@ class UserAgentService:
         merchant = str(fields.get("商户/酒店") or "").strip()
         if merchant:
             return merchant
+        if not self._is_hotel_document_item(item):
+            return ""
         text = " ".join([str(item.get("summary") or ""), str(item.get("text") or "")]).strip()
         return self._extract_document_merchant_name_from_text(text)
 
+    @staticmethod
+    def _is_hotel_document_item(item: dict[str, object]) -> bool:
+        document_type = str(item.get("document_type") or "").strip().lower()
+        scene_code = str(item.get("scene_code") or "").strip().lower()
+        scene_label = str(item.get("scene_label") or "").strip()
+        suggested_expense_type = str(item.get("suggested_expense_type") or "").strip().lower()
+        return (
+            document_type == "hotel_invoice"
+            or scene_code == "hotel"
+            or suggested_expense_type == "hotel"
+            or "住宿" in scene_label
+            or "酒店" in scene_label
+        )
+
     @staticmethod
     def _extract_document_merchant_name_from_text(text: str) -> str:
         for keyword in ("酒店", "宾馆", "饭店", "酒楼", "餐厅", "航空", "铁路", "滴滴"):
diff --git a/server/storage/expense_claims/193e6c44-29f7-4ac9-9d64-c57ddfd186c0/f8e2b572-9f9f-472f-957c-cb49c5e1e283/发票_3_京S98876.pdf b/server/storage/expense_claims/193e6c44-29f7-4ac9-9d64-c57ddfd186c0/f8e2b572-9f9f-472f-957c-cb49c5e1e283/发票_3_京S98876.pdf
deleted file mode 100644
index d2aad17..0000000
Binary files a/server/storage/expense_claims/193e6c44-29f7-4ac9-9d64-c57ddfd186c0/f8e2b572-9f9f-472f-957c-cb49c5e1e283/发票_3_京S98876.pdf and /dev/null differ
diff --git a/server/storage/expense_claims/193e6c44-29f7-4ac9-9d64-c57ddfd186c0/f8e2b572-9f9f-472f-957c-cb49c5e1e283/发票_3_京S98876.pdf.meta.json b/server/storage/expense_claims/193e6c44-29f7-4ac9-9d64-c57ddfd186c0/f8e2b572-9f9f-472f-957c-cb49c5e1e283/发票_3_京S98876.pdf.meta.json
deleted file mode 100644
index e44c696..0000000
--- a/server/storage/expense_claims/193e6c44-29f7-4ac9-9d64-c57ddfd186c0/f8e2b572-9f9f-472f-957c-cb49c5e1e283/发票_3_京S98876.pdf.meta.json
+++ /dev/null
@@ -1,88 +0,0 @@
-{
-  "file_name": "发票_3_京S98876.pdf",
-  "storage_key": "193e6c44-29f7-4ac9-9d64-c57ddfd186c0/f8e2b572-9f9f-472f-957c-cb49c5e1e283/发票_3_京S98876.pdf",
-  "media_type": "application/pdf",
-  "size_bytes": 61170,
-  "uploaded_at": "2026-05-20T12:25:49.243144+00:00",
-  "previewable": true,
-  "preview_kind": "image",
-  "preview_storage_key": "193e6c44-29f7-4ac9-9d64-c57ddfd186c0/f8e2b572-9f9f-472f-957c-cb49c5e1e283/发票_3_京S98876.preview.png",
-  "preview_media_type": "image/png",
-  "preview_file_name": "发票_3_京S98876.preview.png",
-  "analysis": {
-    "severity": "pass",
-    "label": "AI提示符合条件",
-    "headline": "AI提示：附件符合基础校验条件",
-    "summary": "已识别到票据类型和关键字段，且符合当前费用场景的附件要求。",
-    "points": [
-      "票据类型：已识别为增值税发票。",
-      "附件类型要求：当前费用项目为交通费，已识别为增值税发票，符合当前交通费场景的附件要求。",
-      "金额字段：已识别到与当前明细接近的金额 121.54 元。"
-    ],
-    "suggestion": "建议继续核对报销分类、费用说明和业务场景是否一致。"
-  },
-  "document_info": {
-    "document_type": "vat_invoice",
-    "document_type_label": "增值税发票",
-    "scene_code": "other",
-    "scene_label": "通用发票",
-    "fields": [
-      {
-        "key": "amount",
-        "label": "金额",
-        "value": "121.54元"
-      },
-      {
-        "key": "date",
-        "label": "日期",
-        "value": "2026-03-04"
-      },
-      {
-        "key": "merchant_name",
-        "label": "商户",
-        "value": "信息"
-      },
-      {
-        "key": "invoice_number",
-        "label": "票据号码",
-        "value": "26427004426998871533"
-      }
-    ]
-  },
-  "requirement_check": {
-    "matches": true,
-    "current_expense_type": "transport",
-    "current_expense_type_label": "交通费",
-    "allowed_scene_labels": [
-      "交通"
-    ],
-    "allowed_document_type_labels": [
-      "停车/通行费票据",
-      "一般收据/凭证",
-      "出租车/网约车票据",
-      "增值税发票"
-    ],
-    "recognized_scene_code": "other",
-    "recognized_scene_label": "通用发票",
-    "recognized_document_type": "vat_invoice",
-    "recognized_document_type_label": "增值税发票",
-    "mismatch_severity": "high",
-    "rule_code": "rule.expense.scene_submission_standard",
-    "rule_name": "报销场景提交与附件标准",
-    "message": "当前费用项目为交通费，已识别为增值税发票，符合当前交通费场景的附件要求。"
-  },
-  "ocr_status": "recognized",
-  "ocr_error": "",
-  "ocr_text": "发票号码：26427004426998871533\n旅普发票）\n电子发票\n开票日期：2026年03月04日\n购买方信息\n名称：北京京能电力股份有限公司\n销售方信息\n名称：北京小桔科技有限公司\n统一社会信用代码/纳税人识别1:110000717734559Y\n统一社会信用代码/纳税人识别1:110108MA00293G5X\n项目名称\n单价\n数量\n金额\n税率/征收率\n税额\n*运输服务*客运服务费\n118.00\n1\n118.00\n3%\n3.54\n合\n计\n￥118.00\n￥3.54\n出行人\n有效身份证件号\n出行日期\n出发地\n到达地\n等级\n交通工具\n类\n2026-03-04\n小汤山酒店\n林萃花园南门\n网约车\n价税合计（大写）\n壹佰贰拾壹圆伍角肆分\n(小写)￥121.54\n购方开户银行：-；\n银行账号：-;\n备注\n销方开户银行：中国建设银行北京中关村支行；\n银行账号：11001006500059041897;\n开票人：系统自动开票",
-  "ocr_summary": "发票号码：26427004426998871533；旅普发票）；电子发票",
-  "ocr_avg_score": 0.9825071743194093,
-  "ocr_line_count": 47,
-  "ocr_classification_source": "rule",
-  "ocr_classification_confidence": 0.74,
-  "ocr_classification_evidence": [
-    "发票号码",
-    "价税合计",
-    "电子发票"
-  ],
-  "ocr_warnings": []
-}
\ No newline at end of file
diff --git a/server/storage/expense_claims/193e6c44-29f7-4ac9-9d64-c57ddfd186c0/f8e2b572-9f9f-472f-957c-cb49c5e1e283/发票_3_京S98876.preview.png b/server/storage/expense_claims/193e6c44-29f7-4ac9-9d64-c57ddfd186c0/f8e2b572-9f9f-472f-957c-cb49c5e1e283/发票_3_京S98876.preview.png
deleted file mode 100644
index 1b02f70..0000000
Binary files a/server/storage/expense_claims/193e6c44-29f7-4ac9-9d64-c57ddfd186c0/f8e2b572-9f9f-472f-957c-cb49c5e1e283/发票_3_京S98876.preview.png and /dev/null differ
diff --git a/server/storage/expense_claims/08f51e80-512e-498e-bcd6-50ca5d0becfc/62fe16f9-ad9f-4f96-948f-0b31a427a81d/2月20_武汉-上海.pdf b/server/storage/expense_claims/3754b9c8-e0f0-4d88-a24c-d52c7620be2c/3d643ccb-cfb5-48c5-8037-39dbe1fa87e4/2月20_武汉-上海.pdf
similarity index 100%
rename from server/storage/expense_claims/08f51e80-512e-498e-bcd6-50ca5d0becfc/62fe16f9-ad9f-4f96-948f-0b31a427a81d/2月20_武汉-上海.pdf
rename to server/storage/expense_claims/3754b9c8-e0f0-4d88-a24c-d52c7620be2c/3d643ccb-cfb5-48c5-8037-39dbe1fa87e4/2月20_武汉-上海.pdf
diff --git a/server/storage/expense_claims/08f51e80-512e-498e-bcd6-50ca5d0becfc/62fe16f9-ad9f-4f96-948f-0b31a427a81d/2月20_武汉-上海.pdf.meta.json b/server/storage/expense_claims/3754b9c8-e0f0-4d88-a24c-d52c7620be2c/3d643ccb-cfb5-48c5-8037-39dbe1fa87e4/2月20_武汉-上海.pdf.meta.json
similarity index 76%
rename from server/storage/expense_claims/08f51e80-512e-498e-bcd6-50ca5d0becfc/62fe16f9-ad9f-4f96-948f-0b31a427a81d/2月20_武汉-上海.pdf.meta.json
rename to server/storage/expense_claims/3754b9c8-e0f0-4d88-a24c-d52c7620be2c/3d643ccb-cfb5-48c5-8037-39dbe1fa87e4/2月20_武汉-上海.pdf.meta.json
index 496127b..d25173f 100644
--- a/server/storage/expense_claims/08f51e80-512e-498e-bcd6-50ca5d0becfc/62fe16f9-ad9f-4f96-948f-0b31a427a81d/2月20_武汉-上海.pdf.meta.json
+++ b/server/storage/expense_claims/3754b9c8-e0f0-4d88-a24c-d52c7620be2c/3d643ccb-cfb5-48c5-8037-39dbe1fa87e4/2月20_武汉-上海.pdf.meta.json
@@ -1,12 +1,12 @@
 {
   "file_name": "2月20_武汉-上海.pdf",
-  "storage_key": "08f51e80-512e-498e-bcd6-50ca5d0becfc/62fe16f9-ad9f-4f96-948f-0b31a427a81d/2月20_武汉-上海.pdf",
+  "storage_key": "3754b9c8-e0f0-4d88-a24c-d52c7620be2c/3d643ccb-cfb5-48c5-8037-39dbe1fa87e4/2月20_武汉-上海.pdf",
   "media_type": "application/pdf",
   "size_bytes": 24995,
-  "uploaded_at": "2026-05-20T13:48:21.652497+00:00",
+  "uploaded_at": "2026-05-21T01:54:55.627221+00:00",
   "previewable": true,
   "preview_kind": "image",
-  "preview_storage_key": "08f51e80-512e-498e-bcd6-50ca5d0becfc/62fe16f9-ad9f-4f96-948f-0b31a427a81d/2月20_武汉-上海.preview.png",
+  "preview_storage_key": "3754b9c8-e0f0-4d88-a24c-d52c7620be2c/3d643ccb-cfb5-48c5-8037-39dbe1fa87e4/2月20_武汉-上海.preview.png",
   "preview_media_type": "image/png",
   "preview_file_name": "2月20_武汉-上海.preview.png",
   "analysis": {
@@ -15,7 +15,7 @@
     "headline": "AI提示：附件存在明显待整改项",
     "summary": "当前附件可见部分内容，但金额、用途、日期或附件类型仍有缺失或不一致。",
     "points": [
-      "用途字段：用户填写用途“业务发生时间:2026-02-20 至 2026”与票据内容不一致，当前附件更像交通相关材料。"
+      "用途字段：用户填写用途“至 2026-02-23，支撑上海电力项目部署，”与票据内容不一致，当前附件更像交通相关材料。"
     ],
     "suggestion": "建议根据风险点补齐清晰票据，或修正金额、日期、费用说明后再提交。"
   },
@@ -54,15 +54,10 @@
   },
   "requirement_check": {
     "matches": true,
-    "current_expense_type": "travel",
-    "current_expense_type_label": "差旅费",
-    "allowed_scene_labels": [
-      "差旅"
-    ],
-    "allowed_document_type_labels": [
-      "机票/航班行程单",
-      "火车/高铁票"
-    ],
+    "current_expense_type": "train_ticket",
+    "current_expense_type_label": "火车票",
+    "allowed_scene_labels": [],
+    "allowed_document_type_labels": [],
     "recognized_scene_code": "travel",
     "recognized_scene_label": "差旅票据",
     "recognized_document_type": "train_ticket",
@@ -70,7 +65,7 @@
     "mismatch_severity": "high",
     "rule_code": "rule.expense.scene_submission_standard",
     "rule_name": "报销场景提交与附件标准",
-    "message": "当前费用项目为差旅费，已识别为火车/高铁票，符合当前差旅费场景的附件要求。"
+    "message": "当前费用项目为火车票，已识别为火车/高铁票。"
   },
   "ocr_status": "recognized",
   "ocr_error": "",
diff --git a/server/storage/expense_claims/08f51e80-512e-498e-bcd6-50ca5d0becfc/62fe16f9-ad9f-4f96-948f-0b31a427a81d/2月20_武汉-上海.preview.png b/server/storage/expense_claims/3754b9c8-e0f0-4d88-a24c-d52c7620be2c/3d643ccb-cfb5-48c5-8037-39dbe1fa87e4/2月20_武汉-上海.preview.png
similarity index 100%
rename from server/storage/expense_claims/08f51e80-512e-498e-bcd6-50ca5d0becfc/62fe16f9-ad9f-4f96-948f-0b31a427a81d/2月20_武汉-上海.preview.png
rename to server/storage/expense_claims/3754b9c8-e0f0-4d88-a24c-d52c7620be2c/3d643ccb-cfb5-48c5-8037-39dbe1fa87e4/2月20_武汉-上海.preview.png
diff --git a/server/storage/expense_claims/08f51e80-512e-498e-bcd6-50ca5d0becfc/1170b632-ad59-46c0-9876-7230d9d97e30/2月23_上海-武汉.pdf b/server/storage/expense_claims/3754b9c8-e0f0-4d88-a24c-d52c7620be2c/a8d8e56b-8e0c-4feb-9371-1e3cd71ce25b/2月23_上海-武汉.pdf
similarity index 100%
rename from server/storage/expense_claims/08f51e80-512e-498e-bcd6-50ca5d0becfc/1170b632-ad59-46c0-9876-7230d9d97e30/2月23_上海-武汉.pdf
rename to server/storage/expense_claims/3754b9c8-e0f0-4d88-a24c-d52c7620be2c/a8d8e56b-8e0c-4feb-9371-1e3cd71ce25b/2月23_上海-武汉.pdf
diff --git a/server/storage/expense_claims/08f51e80-512e-498e-bcd6-50ca5d0becfc/1170b632-ad59-46c0-9876-7230d9d97e30/2月23_上海-武汉.pdf.meta.json b/server/storage/expense_claims/3754b9c8-e0f0-4d88-a24c-d52c7620be2c/a8d8e56b-8e0c-4feb-9371-1e3cd71ce25b/2月23_上海-武汉.pdf.meta.json
similarity index 76%
rename from server/storage/expense_claims/08f51e80-512e-498e-bcd6-50ca5d0becfc/1170b632-ad59-46c0-9876-7230d9d97e30/2月23_上海-武汉.pdf.meta.json
rename to server/storage/expense_claims/3754b9c8-e0f0-4d88-a24c-d52c7620be2c/a8d8e56b-8e0c-4feb-9371-1e3cd71ce25b/2月23_上海-武汉.pdf.meta.json
index b2e8892..8eff481 100644
--- a/server/storage/expense_claims/08f51e80-512e-498e-bcd6-50ca5d0becfc/1170b632-ad59-46c0-9876-7230d9d97e30/2月23_上海-武汉.pdf.meta.json
+++ b/server/storage/expense_claims/3754b9c8-e0f0-4d88-a24c-d52c7620be2c/a8d8e56b-8e0c-4feb-9371-1e3cd71ce25b/2月23_上海-武汉.pdf.meta.json
@@ -1,12 +1,12 @@
 {
   "file_name": "2月23_上海-武汉.pdf",
-  "storage_key": "08f51e80-512e-498e-bcd6-50ca5d0becfc/1170b632-ad59-46c0-9876-7230d9d97e30/2月23_上海-武汉.pdf",
+  "storage_key": "3754b9c8-e0f0-4d88-a24c-d52c7620be2c/a8d8e56b-8e0c-4feb-9371-1e3cd71ce25b/2月23_上海-武汉.pdf",
   "media_type": "application/pdf",
   "size_bytes": 24940,
-  "uploaded_at": "2026-05-20T13:48:38.616319+00:00",
+  "uploaded_at": "2026-05-21T01:55:11.468967+00:00",
   "previewable": true,
   "preview_kind": "image",
-  "preview_storage_key": "08f51e80-512e-498e-bcd6-50ca5d0becfc/1170b632-ad59-46c0-9876-7230d9d97e30/2月23_上海-武汉.preview.png",
+  "preview_storage_key": "3754b9c8-e0f0-4d88-a24c-d52c7620be2c/a8d8e56b-8e0c-4feb-9371-1e3cd71ce25b/2月23_上海-武汉.preview.png",
   "preview_media_type": "image/png",
   "preview_file_name": "2月23_上海-武汉.preview.png",
   "analysis": {
@@ -15,7 +15,7 @@
     "headline": "AI提示：附件存在明显待整改项",
     "summary": "当前附件可见部分内容，但金额、用途、日期或附件类型仍有缺失或不一致。",
     "points": [
-      "用途字段：用户填写用途“业务发生时间:2026-02-20 至 2026”与票据内容不一致，当前附件更像交通相关材料。"
+      "用途字段：用户填写用途“至 2026-02-23，支撑上海电力项目部署，”与票据内容不一致，当前附件更像交通相关材料。"
     ],
     "suggestion": "建议根据风险点补齐清晰票据，或修正金额、日期、费用说明后再提交。"
   },
@@ -54,15 +54,10 @@
   },
   "requirement_check": {
     "matches": true,
-    "current_expense_type": "travel",
-    "current_expense_type_label": "差旅费",
-    "allowed_scene_labels": [
-      "差旅"
-    ],
-    "allowed_document_type_labels": [
-      "机票/航班行程单",
-      "火车/高铁票"
-    ],
+    "current_expense_type": "train_ticket",
+    "current_expense_type_label": "火车票",
+    "allowed_scene_labels": [],
+    "allowed_document_type_labels": [],
     "recognized_scene_code": "travel",
     "recognized_scene_label": "差旅票据",
     "recognized_document_type": "train_ticket",
@@ -70,7 +65,7 @@
     "mismatch_severity": "high",
     "rule_code": "rule.expense.scene_submission_standard",
     "rule_name": "报销场景提交与附件标准",
-    "message": "当前费用项目为差旅费，已识别为火车/高铁票，符合当前差旅费场景的附件要求。"
+    "message": "当前费用项目为火车票，已识别为火车/高铁票。"
   },
   "ocr_status": "recognized",
   "ocr_error": "",
diff --git a/server/storage/expense_claims/08f51e80-512e-498e-bcd6-50ca5d0becfc/1170b632-ad59-46c0-9876-7230d9d97e30/2月23_上海-武汉.preview.png b/server/storage/expense_claims/3754b9c8-e0f0-4d88-a24c-d52c7620be2c/a8d8e56b-8e0c-4feb-9371-1e3cd71ce25b/2月23_上海-武汉.preview.png
similarity index 100%
rename from server/storage/expense_claims/08f51e80-512e-498e-bcd6-50ca5d0becfc/1170b632-ad59-46c0-9876-7230d9d97e30/2月23_上海-武汉.preview.png
rename to server/storage/expense_claims/3754b9c8-e0f0-4d88-a24c-d52c7620be2c/a8d8e56b-8e0c-4feb-9371-1e3cd71ce25b/2月23_上海-武汉.preview.png
diff --git a/server/tests/test_expense_claim_service.py b/server/tests/test_expense_claim_service.py
index 2f25967..892e9df 100644
--- a/server/tests/test_expense_claim_service.py
+++ b/server/tests/test_expense_claim_service.py
@@ -15,7 +15,7 @@ from app.models.financial_record import ExpenseClaim, ExpenseClaimItem
 from app.models.organization import OrganizationUnit
 from app.schemas.ontology import OntologyParseRequest
 from app.schemas.ocr import OcrRecognizeBatchRead, OcrRecognizeDocumentRead
-from app.schemas.reimbursement import ExpenseClaimItemCreate, ExpenseClaimItemUpdate
+from app.schemas.reimbursement import ExpenseClaimItemCreate, ExpenseClaimItemUpdate, ExpenseClaimUpdate
 from app.services.agent_conversations import AgentConversationService
 from app.services.expense_claims import ExpenseClaimService
 from app.services.ontology import SemanticOntologyService
@@ -405,6 +405,92 @@ def test_upsert_draft_from_ontology_supports_link_or_create_for_multi_documents(
         assert float(new_claim.amount) == 50.5
 
 
+def test_upsert_travel_draft_uses_ticket_item_types_and_auto_allowance() -> None:
+    user_id = "travel-allowance@example.com"
+
+    with build_session() as db:
+        employee = Employee(
+            employee_no="E5010",
+            name="差旅员工",
+            email=user_id,
+            grade="P4",
+        )
+        db.add(employee)
+        db.commit()
+
+        ontology = SemanticOntologyService(db).parse(
+            OntologyParseRequest(
+                query="我去北京出差 3 天，上传了火车票，帮我生成差旅费报销草稿",
+                user_id=user_id,
+            )
+        )
+        result = ExpenseClaimService(db).upsert_draft_from_ontology(
+            run_id=ontology.run_id,
+            user_id=user_id,
+            message="我去北京出差 3 天，上传了火车票，帮我生成差旅费报销草稿",
+            ontology=ontology,
+            context_json={
+                "name": "差旅员工",
+                "grade": "P4",
+                "attachment_names": ["train-ticket.png"],
+                "attachment_count": 1,
+                "review_form_values": {
+                    "expense_type": "差旅费",
+                    "location": "北京",
+                    "time_range": "2026-05-13 至 2026-05-15",
+                },
+                "business_time_context": {
+                    "mode": "range",
+                    "start_date": "2026-05-13",
+                    "end_date": "2026-05-15",
+                    "display_value": "2026-05-13 至 2026-05-15",
+                },
+                "ocr_documents": [
+                    {
+                        "filename": "train-ticket.png",
+                        "document_type": "train_ticket",
+                        "document_type_label": "火车/高铁票",
+                        "scene_code": "travel",
+                        "scene_label": "差旅费",
+                        "summary": "中国铁路电子客票 广州南-北京南 二等座 票价 354 元",
+                        "text": "中国铁路电子客票 广州南-北京南 二等座 票价:￥354.00",
+                        "document_fields": [
+                            {"key": "amount", "label": "票价", "value": "￥354.00"},
+                            {"key": "route", "label": "行程", "value": "广州南-北京南"},
+                        ],
+                    }
+                ],
+            },
+        )
+
+        claim = db.get(ExpenseClaim, result["claim_id"])
+        assert claim is not None
+        assert claim.expense_type == "travel"
+        assert claim.invoice_count == 1
+        assert len(claim.items) == 2
+        train_item = next(item for item in claim.items if item.item_type == "train_ticket")
+        allowance_item = next(item for item in claim.items if item.item_type == "travel_allowance")
+        assert train_item.item_amount == Decimal("354.00")
+        assert train_item.item_reason == "从广州南到北京南"
+        assert allowance_item.item_amount == Decimal("300.00")
+        assert allowance_item.invoice_id is None
+        assert allowance_item.is_system_generated is True
+        assert claim.amount == Decimal("654.00")
+
+        with pytest.raises(ValueError, match="系统自动计算"):
+            ExpenseClaimService(db).update_claim_item(
+                claim_id=claim.id,
+                item_id=allowance_item.id,
+                payload=ExpenseClaimItemUpdate(item_amount=Decimal("1.00")),
+                current_user=CurrentUserContext(
+                    username=user_id,
+                    name="差旅员工",
+                    role_codes=[],
+                    is_admin=False,
+                ),
+            )
+
+
 def test_upsert_draft_from_ontology_updates_returned_claim_and_preserves_return_events() -> None:
     user_id = "returned-owner@example.com"
     return_flag = {
@@ -635,6 +721,42 @@ def test_create_claim_item_adds_blank_draft_row_without_forcing_attachment() ->
         assert new_item.invoice_id is None
 
 
+def test_update_claim_reason_only_allows_draft_pending_submission() -> None:
+    current_user = CurrentUserContext(
+        username="emp-1",
+        name="张三",
+        role_codes=[],
+        is_admin=False,
+    )
+
+    with build_session() as db:
+        claim = build_claim(expense_type="travel", location="北京")
+        db.add(claim)
+        db.commit()
+
+        service = ExpenseClaimService(db)
+        updated = service.update_claim(
+            claim_id=claim.id,
+            payload=ExpenseClaimUpdate(reason="去北京客户现场出差，处理项目验收事项"),
+            current_user=current_user,
+        )
+
+        assert updated is not None
+        assert updated.reason == "去北京客户现场出差，处理项目验收事项"
+
+        claim.status = "submitted"
+        claim.submitted_at = datetime(2026, 5, 14, tzinfo=UTC)
+        claim.approval_stage = "直属领导审批"
+        db.commit()
+
+        with pytest.raises(ValueError, match="草稿待提交"):
+            service.update_claim(
+                claim_id=claim.id,
+                payload=ExpenseClaimUpdate(reason="提交后不能改"),
+                current_user=current_user,
+            )
+
+
 def test_update_claim_item_reanalyzes_existing_attachment(monkeypatch, tmp_path) -> None:
     current_user = CurrentUserContext(
         username="emp-1",
@@ -785,6 +907,8 @@ def test_upload_train_ticket_attachment_backfills_item_amount(monkeypatch, tmp_p
         assert updated["claim_amount"] == Decimal("354.00")
         db.refresh(claim)
         assert claim.items[0].item_amount == Decimal("354.00")
+        assert claim.items[0].item_type == "train_ticket"
+        assert claim.items[0].item_reason == "从广州南到北京南"
         assert claim.amount == Decimal("354.00")
         uploaded_meta = service.get_claim_item_attachment_meta(
             claim_id=claim.id,
@@ -799,6 +923,75 @@ def test_upload_train_ticket_attachment_backfills_item_amount(monkeypatch, tmp_p
         )
 
 
+def test_upload_ride_receipt_backfills_item_reason_from_addresses(monkeypatch, tmp_path) -> None:
+    current_user = CurrentUserContext(
+        username="emp-1",
+        name="张三",
+        role_codes=[],
+        is_admin=False,
+    )
+
+    def fake_recognize(
+        self,
+        files: list[tuple[str, bytes, str | None]],
+    ) -> OcrRecognizeBatchRead:
+        return OcrRecognizeBatchRead(
+            total_file_count=1,
+            success_count=1,
+            documents=[
+                OcrRecognizeDocumentRead(
+                    filename="ride-receipt.png",
+                    media_type="image/png",
+                    text="滴滴出行订单 起点：深圳北站 终点：腾讯滨海大厦 实付金额：42.00元",
+                    summary="滴滴出行乘车票据，深圳北站到腾讯滨海大厦，金额 42 元。",
+                    avg_score=0.98,
+                    line_count=1,
+                    page_count=1,
+                    document_type="taxi_receipt",
+                    document_type_label="出租车/网约车票据",
+                    scene_code="transport",
+                    scene_label="交通票据",
+                    document_fields=[
+                        {"key": "start_location", "label": "起点", "value": "深圳北站"},
+                        {"key": "end_location", "label": "终点", "value": "腾讯滨海大厦"},
+                        {"key": "amount", "label": "实付金额", "value": "42.00元"},
+                    ],
+                )
+            ],
+        )
+
+    monkeypatch.setattr(OcrService, "recognize_files", fake_recognize)
+    monkeypatch.setattr(ExpenseClaimService, "_get_attachment_storage_root", lambda self: tmp_path)
+
+    with build_session() as db:
+        claim = build_claim(expense_type="transport", location="深圳")
+        claim.amount = Decimal("0.00")
+        claim.invoice_count = 0
+        claim.items[0].item_type = "transport"
+        claim.items[0].item_reason = "打车报销"
+        claim.items[0].item_amount = Decimal("0.00")
+        claim.items[0].invoice_id = None
+        db.add(claim)
+        db.commit()
+
+        service = ExpenseClaimService(db)
+        updated = service.upload_claim_item_attachment(
+            claim_id=claim.id,
+            item_id=claim.items[0].id,
+            filename="ride-receipt.png",
+            content=b"fake-image-bytes",
+            media_type="image/png",
+            current_user=current_user,
+        )
+
+        assert updated is not None
+        db.refresh(claim)
+        assert claim.items[0].item_type == "ride_ticket"
+        assert claim.items[0].item_reason == "从深圳北站到腾讯滨海大厦"
+        assert claim.items[0].item_amount == Decimal("42.00")
+        assert claim.amount == Decimal("42.00")
+
+
 def test_delete_claim_item_removes_row_and_attachment_files(monkeypatch, tmp_path) -> None:
     current_user = CurrentUserContext(
         username="emp-1",
diff --git a/server/tests/test_user_agent_service.py b/server/tests/test_user_agent_service.py
index d407c9a..6c63ccb 100644
--- a/server/tests/test_user_agent_service.py
+++ b/server/tests/test_user_agent_service.py
@@ -1315,6 +1315,230 @@ def test_user_agent_review_payload_prefers_hotel_invoice_for_hotel_name() -> Non
         assert slot_map["merchant_name"].value == "北京中心酒店"
 
 
+def test_user_agent_review_payload_does_not_fill_hotel_name_from_train_ticket() -> None:
+    session_factory = build_session_factory()
+    with session_factory() as db:
+        query = "我去北京出差，先上传一张火车票，酒店发票还没上传，帮我生成差旅费报销草稿"
+        context = {
+            "name": "张三",
+            "grade": "P4",
+            "attachment_names": ["北京南站火车票.png"],
+            "attachment_count": 1,
+            "ocr_documents": [
+                {
+                    "filename": "北京南站火车票.png",
+                    "document_type": "train_ticket",
+                    "scene_code": "travel",
+                    "scene_label": "差旅票据",
+                    "summary": "电子发票（铁路电子客票） 2026-03-04 广州南至北京南 G123 二等座 金额 560 元 中国铁路",
+                    "text": "电子发票（铁路电子客票） 2026-03-04 广州南至北京南 G123 二等座 票价 ￥560.00 中国铁路祝您旅途愉快",
+                    "avg_score": 0.95,
+                    "document_fields": [
+                        {"key": "amount", "label": "金额", "value": "560"},
+                        {"key": "route", "label": "行程", "value": "广州南-北京南"},
+                        {"key": "date", "label": "业务发生时间", "value": "2026-03-04"},
+                        {"key": "merchant_name", "label": "商户", "value": "中国铁路"},
+                    ],
+                    "warnings": [],
+                },
+            ],
+        }
+        ontology = SemanticOntologyService(db).parse(
+            OntologyParseRequest(
+                query=query,
+                user_id="pytest-train-only-hotel-name@example.com",
+                context_json=context,
+            )
+        )
+
+        response = UserAgentService(db).respond(
+            UserAgentRequest(
+                run_id=ontology.run_id,
+                user_id="pytest-train-only-hotel-name@example.com",
+                message=query,
+                ontology=ontology,
+                context_json=context,
+                tool_payload={"draft_only": True},
+            )
+        )
+
+        assert response.review_payload is not None
+        slot_map = {item.key: item for item in response.review_payload.slot_cards}
+        assert slot_map["merchant_name"].value == ""
+        assert "酒店/商户" not in response.review_payload.missing_slots
+        assert "酒店的报销票据待上传（必须）" in response.review_payload.missing_slots
+        assert response.review_payload.can_proceed is False
+        assert [item.action_type for item in response.review_payload.confirmation_actions if item.emphasis == "primary"] == [
+            "save_draft"
+        ]
+        assert "继续下一步" not in [item.label for item in response.review_payload.confirmation_actions]
+        assert "酒店住宿发票/住宿清单（必须，当前待上传）" in response.answer
+        assert "市内交通/乘车票据（非必须" in response.answer
+        assert "只能保存为草稿" in response.answer or "保存为草稿" in response.answer
+        assert "您的职级为：P4" in response.answer
+        assert "去北京" in response.answer
+        assert "已提交火车 560.00 元" in response.answer
+        field_labels = [
+            field.label
+            for card in response.review_payload.document_cards
+            for field in card.fields
+        ]
+        assert "商户/酒店" not in field_labels
+
+
+def test_user_agent_review_payload_allows_next_step_when_only_optional_ride_receipt_is_missing() -> None:
+    session_factory = build_session_factory()
+    with session_factory() as db:
+        query = "我去北京出差，上传了火车票和酒店票，帮我生成差旅费报销草稿"
+        context = {
+            "name": "张三",
+            "grade": "P4",
+            "review_form_values": {"occurred_date": "2026-03-04"},
+            "attachment_names": ["北京南站火车票.png", "北京酒店发票.png"],
+            "attachment_count": 2,
+            "ocr_documents": [
+                {
+                    "filename": "北京南站火车票.png",
+                    "document_type": "train_ticket",
+                    "scene_code": "travel",
+                    "scene_label": "差旅票据",
+                    "summary": "电子发票（铁路电子客票） 2026-03-04 广州南至北京南 G123 二等座 金额 560 元",
+                    "text": "电子发票（铁路电子客票） 2026-03-04 广州南至北京南 G123 二等座 票价 ￥560.00",
+                    "avg_score": 0.95,
+                    "document_fields": [
+                        {"key": "amount", "label": "金额", "value": "560"},
+                        {"key": "route", "label": "行程", "value": "广州南-北京南"},
+                    ],
+                    "warnings": [],
+                },
+                {
+                    "filename": "北京酒店发票.png",
+                    "document_type": "hotel_invoice",
+                    "summary": "北京中心酒店 住宿 1 晚 金额 450 元",
+                    "text": "北京中心酒店 住宿 1 晚 金额 450 元",
+                    "avg_score": 0.96,
+                    "document_fields": [
+                        {"key": "amount", "label": "金额", "value": "450"},
+                        {"key": "merchant", "label": "酒店名称", "value": "北京中心酒店"},
+                    ],
+                    "warnings": [],
+                },
+            ],
+        }
+        ontology = SemanticOntologyService(db).parse(
+            OntologyParseRequest(
+                query=query,
+                user_id="pytest-travel-optional-ride@example.com",
+                context_json=context,
+            )
+        )
+
+        response = UserAgentService(db).respond(
+            UserAgentRequest(
+                run_id=ontology.run_id,
+                user_id="pytest-travel-optional-ride@example.com",
+                message=query,
+                ontology=ontology,
+                context_json=context,
+                tool_payload={"draft_only": True},
+            )
+        )
+
+        assert response.review_payload is not None
+        assert response.review_payload.can_proceed is True
+        assert response.review_payload.missing_slots == []
+        receipt_brief = next(item for item in response.review_payload.risk_briefs if item.title == "差旅票据待补充")
+        assert receipt_brief.level == "info"
+        assert "市内交通/乘车票据可继续上传（非必须）" in receipt_brief.content
+        assert "酒店的报销票据待上传（必须）" not in receipt_brief.content
+        action_types = [item.action_type for item in response.review_payload.confirmation_actions]
+        assert "save_draft" in action_types
+        assert "next_step" in action_types
+        assert "市内交通/乘车票据（非必须" in response.answer
+        assert "也可以继续下一步" in response.answer
+
+
+def test_user_agent_review_payload_allows_next_step_after_required_travel_receipts_are_complete() -> None:
+    session_factory = build_session_factory()
+    with session_factory() as db:
+        query = "我去北京出差，上传了火车票、酒店票和打车票，帮我生成差旅费报销草稿"
+        context = {
+            "name": "张三",
+            "grade": "P4",
+            "review_form_values": {"occurred_date": "2026-03-04"},
+            "attachment_names": ["北京南站火车票.png", "北京酒店发票.png", "北京打车票.png"],
+            "attachment_count": 3,
+            "ocr_documents": [
+                {
+                    "filename": "北京南站火车票.png",
+                    "document_type": "train_ticket",
+                    "scene_code": "travel",
+                    "scene_label": "差旅票据",
+                    "summary": "电子发票（铁路电子客票） 2026-03-04 广州南至北京南 G123 二等座 金额 560 元",
+                    "text": "电子发票（铁路电子客票） 2026-03-04 广州南至北京南 G123 二等座 票价 ￥560.00",
+                    "avg_score": 0.95,
+                    "document_fields": [
+                        {"key": "amount", "label": "金额", "value": "560"},
+                        {"key": "route", "label": "行程", "value": "广州南-北京南"},
+                        {"key": "date", "label": "日期", "value": "2026-03-04"},
+                    ],
+                    "warnings": [],
+                },
+                {
+                    "filename": "北京酒店发票.png",
+                    "document_type": "hotel_invoice",
+                    "summary": "北京中心酒店 住宿 1 晚 金额 450 元",
+                    "text": "北京中心酒店 住宿 1 晚 金额 450 元",
+                    "avg_score": 0.96,
+                    "document_fields": [
+                        {"key": "amount", "label": "金额", "value": "450"},
+                        {"key": "merchant", "label": "酒店名称", "value": "北京中心酒店"},
+                    ],
+                    "warnings": [],
+                },
+                {
+                    "filename": "北京打车票.png",
+                    "document_type": "taxi_receipt",
+                    "summary": "北京网约车 打车票 支付金额 32 元",
+                    "text": "北京网约车 打车票 支付金额 32 元",
+                    "avg_score": 0.94,
+                    "document_fields": [
+                        {"key": "amount", "label": "支付金额", "value": "32"},
+                    ],
+                    "warnings": [],
+                },
+            ],
+        }
+        ontology = SemanticOntologyService(db).parse(
+            OntologyParseRequest(
+                query=query,
+                user_id="pytest-travel-complete@example.com",
+                context_json=context,
+            )
+        )
+
+        response = UserAgentService(db).respond(
+            UserAgentRequest(
+                run_id=ontology.run_id,
+                user_id="pytest-travel-complete@example.com",
+                message=query,
+                ontology=ontology,
+                context_json=context,
+                tool_payload={"draft_only": True},
+            )
+        )
+
+        assert response.review_payload is not None
+        assert response.review_payload.can_proceed is True
+        assert response.review_payload.missing_slots == []
+        action_types = [item.action_type for item in response.review_payload.confirmation_actions]
+        assert "save_draft" in action_types
+        assert "next_step" in action_types
+        assert not any(item.title == "差旅票据待补充" for item in response.review_payload.risk_briefs)
+        assert "无需继续上传票据" in response.answer
+        assert "当前信息已较完整" in response.answer
+
+
 def test_user_agent_review_payload_prechecks_taxi_amount_against_rule_standard() -> None:
     session_factory = build_session_factory()
     with session_factory() as db:
diff --git a/web/src/assets/styles/views/travel-request-detail-view.css b/web/src/assets/styles/views/travel-request-detail-view.css
index a83cfde..741c20e 100644
--- a/web/src/assets/styles/views/travel-request-detail-view.css
+++ b/web/src/assets/styles/views/travel-request-detail-view.css
@@ -561,6 +561,46 @@
   white-space: pre-wrap;
 }
 
+.detail-note.readonly {
+  background: #f8fafc;
+  border-color: #e2e8f0;
+}
+
+.detail-note-editor {
+  display: grid;
+  gap: 10px;
+}
+
+.detail-note-editor textarea {
+  min-height: 92px;
+  border-color: rgba(16, 185, 129, .28);
+  background: #fff;
+}
+
+.detail-note-editor textarea:focus {
+  border-color: #10b981;
+  box-shadow: 0 0 0 3px rgba(16, 185, 129, .12);
+  outline: none;
+}
+
+.detail-note-editor-meta {
+  display: flex;
+  align-items: center;
+  justify-content: space-between;
+  gap: 12px;
+  color: #64748b;
+  font-size: 12px;
+  line-height: 1.5;
+}
+
+.detail-note-actions {
+  display: inline-flex;
+  align-items: center;
+  justify-content: flex-end;
+  flex-shrink: 0;
+  gap: 8px;
+}
+
 .leader-approval-card {
   border-color: rgba(5, 150, 105, .18);
   background: linear-gradient(180deg, #ffffff 0%, #f7fdfb 100%);
@@ -633,6 +673,15 @@
   background: #fbfefd;
 }
 
+.detail-expense-table tbody tr.system-generated-row td {
+  background: #f0fdf4;
+  border-bottom-color: #bbf7d0;
+}
+
+.detail-expense-table tbody tr.system-generated-row:hover td {
+  background: #ecfdf5;
+}
+
 .detail-expense-table .col-time { width: 11%; }
 .detail-expense-table .col-filled-at { width: 15%; }
 .detail-expense-table .col-type { width: 13%; }
@@ -756,6 +805,36 @@
   color: #ea580c;
 }
 
+.over-tag.system {
+  background: #dcfce7;
+  color: #047857;
+}
+
+.expense-total-under-table {
+  display: flex;
+  align-items: center;
+  justify-content: flex-end;
+  gap: 12px;
+  margin-top: 12px;
+  padding: 12px 14px;
+  border: 1px solid #d1fae5;
+  border-radius: 8px;
+  background: #f0fdf4;
+  color: #0f766e;
+}
+
+.expense-total-under-table span {
+  color: #475569;
+  font-size: 12px;
+  font-weight: 800;
+}
+
+.expense-total-under-table strong {
+  color: #047857;
+  font-size: 17px;
+  font-weight: 900;
+}
+
 .attachment-action-group {
   display: inline-flex;
   align-items: center;
@@ -932,6 +1011,36 @@
   min-width: 128px;
 }
 
+.system-row-lock {
+  display: inline-flex;
+  align-items: center;
+  justify-content: center;
+  gap: 5px;
+  min-height: 28px;
+  padding: 0 9px;
+  border-radius: 8px;
+  background: #dcfce7;
+  color: #047857;
+  font-size: 11px;
+  font-weight: 850;
+  white-space: nowrap;
+}
+
+.system-attachment-note {
+  display: inline-flex;
+  align-items: center;
+  justify-content: center;
+  gap: 5px;
+  min-height: 28px;
+  padding: 0 9px;
+  border-radius: 8px;
+  background: #ecfdf5;
+  color: #047857;
+  font-size: 11px;
+  font-weight: 850;
+  white-space: nowrap;
+}
+
 .row-action-group {
   display: flex;
   flex-wrap: wrap;
@@ -1332,8 +1441,9 @@
 }
 
 .validation-card {
-  border: 1px solid #e6f0eb;
-  background: linear-gradient(180deg, #fcfffd 0%, #f7fbf9 100%);
+  border: 1px solid #e5e7eb;
+  background: #ffffff;
+  box-shadow: 0 1px 2px rgba(15, 23, 42, 0.04);
 }
 
 .validation-head {
@@ -1341,11 +1451,14 @@
   align-items: flex-start;
   justify-content: space-between;
   gap: 12px;
-  margin-bottom: 8px;
+  margin-bottom: 10px;
 }
 
 .validation-head h3 {
   margin-bottom: 4px;
+  color: #0f172a;
+  font-size: 15px;
+  font-weight: 800;
 }
 
 .validation-head p {
@@ -1356,28 +1469,32 @@
 }
 
 .validation-pill {
-  min-height: 26px;
+  min-height: 24px;
   display: inline-flex;
   align-items: center;
   padding: 0 10px;
   border-radius: 999px;
-  font-size: 12px;
+  border: 1px solid transparent;
+  font-size: 11px;
   font-weight: 800;
 }
 
 .validation-pill.ready {
-  background: #dcfce7;
-  color: #047857;
+  background: #f0fdf4;
+  border-color: #bbf7d0;
+  color: #166534;
 }
 
 .validation-pill.pending {
   background: #fff7ed;
+  border-color: #fed7aa;
   color: #c2410c;
 }
 
 .validation-pill.warning {
   background: #fef2f2;
-  color: #dc2626;
+  border-color: #fecaca;
+  color: #b91c1c;
 }
 
 .validation-summary {
@@ -1387,29 +1504,155 @@
   line-height: 1.6;
 }
 
+.validation-sections {
+  display: grid;
+  gap: 18px;
+  margin-top: 16px;
+}
+
+.validation-section {
+  display: grid;
+  gap: 10px;
+  padding-top: 14px;
+  border-top: 1px solid #e5e7eb;
+}
+
+.validation-section:first-child {
+  padding-top: 0;
+  border-top: none;
+}
+
+.validation-section-title {
+  display: flex;
+  align-items: center;
+  gap: 8px;
+  margin: 0;
+  color: #0f172a;
+  font-size: 13px;
+  font-weight: 800;
+  line-height: 1.4;
+}
+
+.validation-section-title::before {
+  content: '';
+  width: 6px;
+  height: 6px;
+  border-radius: 999px;
+  background: #10b981;
+  box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.12);
+}
+
+.validation-section--risk .validation-section-title {
+  color: #b91c1c;
+}
+
+.validation-section--risk .validation-section-title::before {
+  background: #ef4444;
+  box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.1);
+}
+
 .validation-list {
   display: grid;
   gap: 6px;
-  margin-top: 12px;
-  padding-left: 18px;
-  color: #b45309;
+  margin: 0;
+  padding: 0 0 0 18px;
+  color: #0f766e;
   font-size: 13px;
   line-height: 1.55;
 }
 
-.risk-advice-list {
-  display: grid;
-  gap: 12px;
-  margin-top: 14px;
+.validation-list li::marker {
+  color: #14b8a6;
 }
 
-.risk-advice-card {
+.validation-section--risk .risk-advice-list {
   display: grid;
   gap: 10px;
-  padding: 14px;
-  border: 1px solid #fee2e2;
+  margin-top: 0;
+}
+
+.validation-section--risk .risk-advice-card {
+  display: grid;
+  gap: 8px;
+  padding: 12px 12px 11px;
+  border: 1px solid #e5e7eb;
+  border-radius: 10px;
+  background: #ffffff;
+  box-shadow: 0 1px 1px rgba(15, 23, 42, 0.03);
+}
+
+.validation-section--risk .risk-advice-card.medium {
+  border-color: #f3e8d9;
+  background: #fffcf7;
+}
+
+.validation-section--risk .risk-advice-card-head {
+  display: flex;
+  align-items: center;
+  justify-content: space-between;
+  gap: 10px;
+}
+
+.validation-section--risk .risk-advice-card-head span {
+  min-height: 20px;
+  display: inline-flex;
+  align-items: center;
+  padding: 0 8px;
+  border-radius: 999px;
+  background: #fef2f2;
+  color: #b91c1c;
+  font-size: 10px;
+  font-weight: 800;
+  white-space: nowrap;
+}
+
+.validation-section--risk .risk-advice-card.medium .risk-advice-card-head span {
+  background: #fff7ed;
+  color: #c2410c;
+}
+
+.validation-section--risk .risk-advice-card-head strong {
+  min-width: 0;
+  color: #0f172a;
+  font-size: 12px;
+  line-height: 1.4;
+  text-align: right;
+}
+
+.validation-section--risk .risk-advice-point {
+  margin: 0;
+  color: #334155;
+  font-size: 13px;
+  line-height: 1.5;
+}
+
+.validation-section--risk .risk-advice-meta {
+  display: grid;
+  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
+  gap: 8px;
+}
+
+.validation-section--risk .risk-advice-meta > div {
+  min-width: 0;
+  display: grid;
+  gap: 4px;
+  padding: 8px 9px;
   border-radius: 8px;
-  background: #fffafa;
+  background: #f8fafc;
+}
+
+.validation-section--risk .risk-advice-meta span {
+  color: #64748b;
+  font-size: 10px;
+  font-weight: 800;
+}
+
+.validation-section--risk .risk-advice-meta ul,
+.validation-section--risk .risk-advice-meta p {
+  margin: 0;
+  color: #334155;
+  font-size: 11px;
+  line-height: 1.5;
 }
 
 .risk-advice-card.medium {
diff --git a/web/src/composables/useRequests.js b/web/src/composables/useRequests.js
index 841523b..f6e26a0 100644
--- a/web/src/composables/useRequests.js
+++ b/web/src/composables/useRequests.js
@@ -4,6 +4,11 @@ import { fetchExpenseClaims } from '../services/reimbursements.js'
 
 const EXPENSE_TYPE_LABELS = {
   travel: '差旅费',
+  train_ticket: '火车票',
+  flight_ticket: '机票',
+  hotel_ticket: '住宿票',
+  ride_ticket: '乘车',
+  travel_allowance: '出差补贴',
   entertainment: '业务招待费',
   office: '办公费',
   meeting: '会务费',
@@ -16,10 +21,17 @@ const EXPENSE_TYPE_LABELS = {
 
 const LOCATION_REQUIRED_EXPENSE_TYPES = new Set([
   'travel',
+  'train_ticket',
+  'flight_ticket',
+  'hotel_ticket',
+  'ride_ticket',
   'meeting',
   'entertainment'
 ])
 
+const SYSTEM_GENERATED_EXPENSE_TYPES = new Set(['travel_allowance'])
+const LONG_DISTANCE_TRAVEL_EXPENSE_TYPES = new Set(['train_ticket', 'flight_ticket'])
+
 const REIMBURSEMENT_PROGRESS_LABELS = [
   '创建单据',
   '待提交',
@@ -123,6 +135,57 @@ function resolveLocationDisplay(location, typeCode) {
   return isLocationRequiredExpenseType(typeCode) ? '待补充' : '非必填'
 }
 
+function resolveExpenseItemViewId(item, index, claim) {
+  return String(item?.id || `${claim?.id || 'claim'}-item-${index}`)
+}
+
+function buildTravelTimeLabelMap(items, claim) {
+  const travelItems = items
+    .map((item, index) => {
+      const itemType = normalizeExpenseType(item?.item_type || claim?.expense_type)
+      return {
+        id: resolveExpenseItemViewId(item, index, claim),
+        index,
+        itemType,
+        itemDate: formatDate(item?.item_date),
+        isSystemGenerated: Boolean(item?.is_system_generated || SYSTEM_GENERATED_EXPENSE_TYPES.has(itemType))
+      }
+    })
+    .filter((item) => !item.isSystemGenerated && LONG_DISTANCE_TRAVEL_EXPENSE_TYPES.has(item.itemType))
+    .sort((left, right) => {
+      const dateCompare = String(left.itemDate || '').localeCompare(String(right.itemDate || ''))
+      return dateCompare || left.index - right.index
+    })
+
+  const labels = new Map()
+  travelItems.forEach((item, index) => {
+    if (index === 0) {
+      labels.set(item.id, '出发时间')
+    } else if (index === travelItems.length - 1) {
+      labels.set(item.id, '返回时间')
+    } else {
+      labels.set(item.id, '中转时间')
+    }
+  })
+  return labels
+}
+
+function resolveExpenseTimeLabel({ id, itemType, isSystemGenerated, claim, travelTimeLabelMap }) {
+  if (isSystemGenerated) {
+    return '系统自动计算'
+  }
+  if (travelTimeLabelMap?.has(id)) {
+    return travelTimeLabelMap.get(id)
+  }
+  if (itemType === 'ride_ticket') {
+    return '乘车时间'
+  }
+  if (itemType === 'hotel_ticket') {
+    return '住宿时间'
+  }
+  return claim?.expense_type === 'travel' ? '出行时间' : '业务发生时间'
+}
+
 function resolveAttachmentDisplayName(value) {
   const normalized = String(value || '').trim()
   if (!normalized) {
@@ -498,11 +561,20 @@ function buildExpenseItems(claim, riskSummary) {
     return []
   }
 
-  return claim.items.map((item, index) => {
+  const sortedItems = [...claim.items].sort((left, right) => {
+    const leftType = normalizeExpenseType(left?.item_type)
+    const rightType = normalizeExpenseType(right?.item_type)
+    return Number(SYSTEM_GENERATED_EXPENSE_TYPES.has(leftType)) - Number(SYSTEM_GENERATED_EXPENSE_TYPES.has(rightType))
+  })
+  const travelTimeLabelMap = buildTravelTimeLabelMap(sortedItems, claim)
+
+  return sortedItems.map((item, index) => {
     const invoiceId = String(item?.invoice_id || '').trim()
     const attachmentName = resolveAttachmentDisplayName(invoiceId)
     const attachments = invoiceId ? [attachmentName || invoiceId] : []
     const itemType = normalizeExpenseType(item?.item_type || claim?.expense_type)
+    const isSystemGenerated = Boolean(item?.is_system_generated || SYSTEM_GENERATED_EXPENSE_TYPES.has(itemType))
+    const id = resolveExpenseItemViewId(item, index, claim)
     const itemTypeLabel = resolveTypeLabel(itemType)
     const itemLocation = String(item?.item_location || '').trim()
     const itemReason = String(item?.item_reason || '').trim()
@@ -510,7 +582,7 @@ function buildExpenseItems(claim, riskSummary) {
     const itemAmountDisplay = itemAmount > 0 ? formatAmount(itemAmount) : '待补充'
 
     return {
-      id: String(item?.id || `${claim?.id || 'claim'}-item-${index}`),
+      id,
       time: formatDate(item?.item_date) || '待补充',
       itemDate: formatDate(item?.item_date) || '',
       filledAt: formatDateTime(item?.created_at) || '待同步',
@@ -519,17 +591,24 @@ function buildExpenseItems(claim, riskSummary) {
       itemLocation,
       itemAmount,
       invoiceId,
-      dayLabel: claim?.expense_type === 'travel' ? `第 ${index + 1} 项` : '业务发生项',
+      isSystemGenerated,
+      dayLabel: resolveExpenseTimeLabel({
+        id,
+        itemType,
+        isSystemGenerated,
+        claim,
+        travelTimeLabelMap
+      }),
       name: itemTypeLabel,
       category: itemTypeLabel,
       desc: itemReason || '待补充',
       detail: resolveLocationDisplay(itemLocation, itemType),
       amount: itemAmountDisplay,
-      status: attachments.length ? '已识别' : '待补充',
-      tone: attachments.length ? 'ok' : 'bad',
-      attachmentStatus: attachments.length ? '已关联票据' : '未上传',
-      attachmentHint: attachments.length ? attachments[0] : '仅支持上传 1 张 JPG、PNG、PDF 单据',
-      attachmentTone: attachments.length ? 'ok' : 'missing',
+      status: isSystemGenerated ? '系统计算' : attachments.length ? '已识别' : '待补充',
+      tone: isSystemGenerated ? 'system' : attachments.length ? 'ok' : 'bad',
+      attachmentStatus: isSystemGenerated ? '无需附件' : attachments.length ? '已关联票据' : '未上传',
+      attachmentHint: isSystemGenerated ? '根据出差天数与职级自动测算' : attachments.length ? attachments[0] : '仅支持上传 1 张 JPG、PNG、PDF 单据',
+      attachmentTone: isSystemGenerated ? 'system' : attachments.length ? 'ok' : 'missing',
       attachments,
       riskLabel: riskSummary === '无' ? '无' : '待关注',
       riskText: riskSummary === '无' ? '' : riskSummary,
diff --git a/web/src/services/reimbursements.js b/web/src/services/reimbursements.js
index a4773d3..5fbfece 100644
--- a/web/src/services/reimbursements.js
+++ b/web/src/services/reimbursements.js
@@ -12,6 +12,13 @@ export function fetchExpenseClaimDetail(claimId) {
   return apiRequest(`/reimbursements/claims/${encodeURIComponent(String(claimId || '').trim())}`)
 }
 
+export function updateExpenseClaim(claimId, payload = {}) {
+  return apiRequest(`/reimbursements/claims/${encodeURIComponent(String(claimId || '').trim())}`, {
+    method: 'PATCH',
+    body: JSON.stringify(payload)
+  })
+}
+
 export function calculateTravelReimbursement(payload = {}) {
   return apiRequest('/reimbursements/travel-calculator', {
     method: 'POST',
diff --git a/web/src/utils/requestViewModel.js b/web/src/utils/requestViewModel.js
index ebb5199..d689972 100644
--- a/web/src/utils/requestViewModel.js
+++ b/web/src/utils/requestViewModel.js
@@ -5,6 +5,36 @@ const REQUEST_TYPE_META = {
     tone: 'travel',
     secondaryStatusLabel: '行程状态'
   },
+  train_ticket: {
+    label: '火车票',
+    detailVariant: 'travel',
+    tone: 'travel',
+    secondaryStatusLabel: '行程状态'
+  },
+  flight_ticket: {
+    label: '机票',
+    detailVariant: 'travel',
+    tone: 'travel',
+    secondaryStatusLabel: '行程状态'
+  },
+  hotel_ticket: {
+    label: '住宿票',
+    detailVariant: 'travel',
+    tone: 'travel',
+    secondaryStatusLabel: '票据状态'
+  },
+  ride_ticket: {
+    label: '乘车',
+    detailVariant: 'travel',
+    tone: 'travel',
+    secondaryStatusLabel: '票据状态'
+  },
+  travel_allowance: {
+    label: '出差补贴',
+    detailVariant: 'travel',
+    tone: 'travel',
+    secondaryStatusLabel: '系统计算'
+  },
   entertainment: {
     label: '业务招待费',
     detailVariant: 'general',
diff --git a/web/src/views/TravelReimbursementCreateView.vue b/web/src/views/TravelReimbursementCreateView.vue
index c2924c3..20dceb1 100644
--- a/web/src/views/TravelReimbursementCreateView.vue
+++ b/web/src/views/TravelReimbursementCreateView.vue
@@ -352,6 +352,7 @@
                             </button>
 
                             <button
+                              v-if="shouldShowReviewUploadButton(message.reviewPayload)"
                               type="button"
                               class="review-footer-btn"
                               :disabled="submitting || reviewActionBusy"
diff --git a/web/src/views/TravelRequestDetailView.vue b/web/src/views/TravelRequestDetailView.vue
index 6d880b6..67f12c8 100644
--- a/web/src/views/TravelRequestDetailView.vue
+++ b/web/src/views/TravelRequestDetailView.vue
@@ -88,6 +88,46 @@
 
         <div class="detail-grid">
           <section class="detail-left">
+            <article class="detail-card panel">
+              <div class="detail-card-head">
+                <div>
+                  <h3>附加说明</h3>
+                  <p>用于说明本次出差或办事目的，例如去哪里、拜访谁、处理什么事项。</p>
+                </div>
+              </div>
+              <div v-if="canEditDetailNote" class="detail-note-editor">
+                <textarea
+                  v-model="detailNoteEditor"
+                  maxlength="500"
+                  placeholder="例如：去北京客户现场出差，拜访 XX 客户并处理项目验收事项"
+                  aria-label="附加说明"
+                ></textarea>
+                <div class="detail-note-editor-meta">
+                  <span>仅草稿待提交状态可编辑，提交后将作为明确说明展示。</span>
+                  <div class="detail-note-actions">
+                    <button
+                      v-if="detailNoteDirty"
+                      class="inline-action"
+                      type="button"
+                      :disabled="savingDetailNote"
+                      @click="resetDetailNote"
+                    >
+                      恢复
+                    </button>
+                    <button
+                      class="inline-action primary"
+                      type="button"
+                      :disabled="!detailNoteDirty || savingDetailNote"
+                      @click="saveDetailNote"
+                    >
+                      {{ savingDetailNote ? '保存中' : '保存说明' }}
+                    </button>
+                  </div>
+                </div>
+              </div>
+              <div v-else class="detail-note readonly">{{ detailNote }}</div>
+            </article>
+
             <article class="detail-card panel">
               <div class="detail-card-head">
                 <div>
@@ -129,7 +169,7 @@
                   </thead>
                   <tbody>
                     <template v-for="item in expenseItems" :key="item.id">
-                      <tr>
+                      <tr :class="{ 'system-generated-row': item.isSystemGenerated }">
                         <td class="expense-time col-time">
                           <template v-if="editingExpenseId === item.id">
                             <div class="cell-editor">
@@ -200,8 +240,8 @@
                           <template v-if="editingExpenseId === item.id">
                             <div class="cell-editor editor-stack">
                               <div class="attachment-action-group">
-                                <button
-                                  v-if="isEditableRequest && !item.invoiceId"
+                              <button
+                                  v-if="isEditableRequest && !item.invoiceId && !item.isSystemGenerated"
                                   class="icon-action upload"
                                   type="button"
                                   title="上传单据"
@@ -221,8 +261,8 @@
                                 >
                                   <i class="mdi mdi-eye-outline"></i>
                                 </button>
-                                <button
-                                  v-if="isEditableRequest && item.invoiceId"
+                              <button
+                                  v-if="isEditableRequest && item.invoiceId && !item.isSystemGenerated"
                                   class="icon-action danger"
                                   type="button"
                                   title="删除附件"
@@ -236,9 +276,13 @@
                             </div>
                           </template>
                           <template v-else>
-                            <div class="attachment-action-group">
+                            <div v-if="item.isSystemGenerated" class="system-attachment-note">
+                              <i class="mdi mdi-calculator-variant-outline"></i>
+                              <span>无需附件</span>
+                            </div>
+                            <div v-else class="attachment-action-group">
                               <button
-                                v-if="isEditableRequest && !item.invoiceId"
+                                v-if="isEditableRequest && !item.invoiceId && !item.isSystemGenerated"
                                 class="icon-action upload"
                                 type="button"
                                 title="上传单据"
@@ -259,7 +303,7 @@
                                 <i class="mdi mdi-eye-outline"></i>
                               </button>
                               <button
-                                v-if="isEditableRequest && item.invoiceId"
+                                v-if="isEditableRequest && item.invoiceId && !item.isSystemGenerated"
                                 class="icon-action danger"
                                 type="button"
                                 title="删除附件"
@@ -273,7 +317,11 @@
                           </template>
                         </td>
                         <td v-if="isEditableRequest" class="expense-action-cell col-action">
-                          <div v-if="editingExpenseId === item.id" class="row-action-group">
+                          <div v-if="item.isSystemGenerated" class="system-row-lock">
+                            <i class="mdi mdi-lock-outline"></i>
+                            <span>系统计算</span>
+                          </div>
+                          <div v-else-if="editingExpenseId === item.id" class="row-action-group">
                             <button
                               class="inline-action primary"
                               type="button"
@@ -328,6 +376,10 @@
                   </tbody>
                 </table>
               </div>
+              <div v-if="expenseItems.length" class="expense-total-under-table">
+                <span>金额合计</span>
+                <strong>{{ expenseTotal }}</strong>
+              </div>
             </article>
 
             <article v-if="isEditableRequest" class="detail-card panel validation-card">
@@ -339,39 +391,43 @@
                 <span :class="['validation-pill', aiAdvice.tone]">{{ aiAdvice.badge }}</span>
               </div>
               <p class="validation-summary">{{ aiAdvice.summary }}</p>
-              <div v-if="aiAdvice.riskCards.length" class="risk-advice-list">
-                <article
-                  v-for="card in aiAdvice.riskCards"
-                  :key="card.id"
-                  :class="['risk-advice-card', card.tone]"
+              <div v-if="aiAdvice.sections.length" class="validation-sections">
+                <section
+                  v-for="section in aiAdvice.sections"
+                  :key="section.kind"
+                  :class="['validation-section', `validation-section--${section.kind}`]"
                 >
-                  <div class="risk-advice-card-head">
-                    <span>{{ card.label }}</span>
-                    <strong>{{ card.title }}</strong>
+                  <h4 class="validation-section-title">{{ section.title }}</h4>
+                  <ul v-if="section.kind === 'completion'" class="validation-list">
+                    <li v-for="item in section.items" :key="item">{{ item }}</li>
+                  </ul>
+                  <div v-else class="risk-advice-list">
+                    <article
+                      v-for="card in section.items"
+                      :key="card.id"
+                      :class="['risk-advice-card', card.tone]"
+                    >
+                      <div class="risk-advice-card-head">
+                        <span>{{ card.label }}</span>
+                        <strong>{{ card.title }}</strong>
+                      </div>
+                      <p class="risk-advice-point">{{ card.risk }}</p>
+                      <div class="risk-advice-meta">
+                        <div>
+                          <span>规则依据</span>
+                          <ul>
+                            <li v-for="basis in card.ruleBasis" :key="basis">{{ basis }}</li>
+                          </ul>
+                        </div>
+                        <div>
+                          <span>修改建议</span>
+                          <p>{{ card.suggestion }}</p>
+                        </div>
+                      </div>
+                    </article>
                   </div>
-                  <p class="risk-advice-point">{{ card.risk }}</p>
-                  <div class="risk-advice-meta">
-                    <div>
-                      <span>规则依据</span>
-                      <ul>
-                        <li v-for="basis in card.ruleBasis" :key="basis">{{ basis }}</li>
-                      </ul>
-                    </div>
-                    <div>
-                      <span>修改建议</span>
-                      <p>{{ card.suggestion }}</p>
-                    </div>
-                  </div>
-                </article>
+                </section>
               </div>
-              <ul v-if="aiAdvice.items.length" class="validation-list">
-                <li v-for="item in aiAdvice.items" :key="item">{{ item }}</li>
-              </ul>
-            </article>
-
-            <article class="detail-card panel">
-              <h3>附加说明</h3>
-              <div class="detail-note">{{ detailNote }}</div>
             </article>
 
             <article v-if="showLeaderApprovalPanel" class="detail-card panel leader-approval-card">
diff --git a/web/src/views/scripts/TravelReimbursementCreateView.js b/web/src/views/scripts/TravelReimbursementCreateView.js
index fb20314..2ffee63 100644
--- a/web/src/views/scripts/TravelReimbursementCreateView.js
+++ b/web/src/views/scripts/TravelReimbursementCreateView.js
@@ -1497,6 +1497,20 @@ function resolveReviewMissingSlotCards(reviewPayload) {
     : []
 }
 
+function resolveReviewExtraMissingLabels(reviewPayload) {
+  const labels = Array.isArray(reviewPayload?.missing_slots)
+    ? reviewPayload.missing_slots.map((item) => String(item || '').trim()).filter(Boolean)
+    : []
+  if (!labels.length) return []
+
+  const slotLabels = new Set(
+    (Array.isArray(reviewPayload?.slot_cards) ? reviewPayload.slot_cards : [])
+      .map((item) => String(item?.label || item?.key || '').trim())
+      .filter(Boolean)
+  )
+  return labels.filter((label) => !slotLabels.has(label))
+}
+
 function resolveReviewRiskBriefs(reviewPayload) {
   if (!Array.isArray(reviewPayload?.risk_briefs)) return []
   return reviewPayload.risk_briefs.filter((item) => {
@@ -1762,7 +1776,7 @@ function buildExpenseQueryHint(queryPayload) {
 }
 
 function countReviewPendingItems(reviewPayload) {
-  return resolveReviewMissingSlotCards(reviewPayload).length
+  return resolveReviewMissingSlotCards(reviewPayload).length + resolveReviewExtraMissingLabels(reviewPayload).length
 }
 
 function countReviewRiskItems(reviewPayload) {
@@ -1825,12 +1839,12 @@ function shouldOpenReviewDisclosure(reviewPayload) {
 }
 
 function buildReviewTodoSectionTitle(reviewPayload) {
-  return resolveReviewMissingSlotCards(reviewPayload).length ? '待补充内容' : '已识别信息'
+  return countReviewPendingItems(reviewPayload) ? '待补充内容' : '已识别信息'
 }
 
 function buildReviewTodoSectionMeta(reviewPayload) {
   const count = buildReviewTodoItems(reviewPayload).length
-  if (resolveReviewMissingSlotCards(reviewPayload).length) {
+  if (countReviewPendingItems(reviewPayload)) {
     return count ? `${count} 项` : '待确认'
   }
   return count ? `${count} 项` : '已齐全'
@@ -1864,6 +1878,17 @@ function buildReviewAlertChips(reviewPayload) {
     })
   }
 
+  if (chips.length < 3) {
+    for (const label of resolveReviewExtraMissingLabels(reviewPayload)) {
+      chips.push({
+        key: label,
+        label,
+        tone: 'warning'
+      })
+      if (chips.length >= 3) break
+    }
+  }
+
   if (chips.length < 3) {
     for (const risk of resolveReviewRiskBriefs(reviewPayload)) {
       if (chips.some((item) => item.label === risk.title)) continue
@@ -1889,8 +1914,10 @@ function buildReviewAlertChips(reviewPayload) {
 
 function buildReviewTodoItems(reviewPayload) {
   const missingItems = resolveReviewMissingSlotCards(reviewPayload)
-  if (missingItems.length) {
-    return missingItems.map((item) => {
+  const extraMissingLabels = resolveReviewExtraMissingLabels(reviewPayload)
+  if (missingItems.length || extraMissingLabels.length) {
+    return [
+      ...missingItems.map((item) => {
       const config = REVIEW_SLOT_CONFIG[item.key] || {}
       return {
         key: item.key,
@@ -1900,7 +1927,18 @@ function buildReviewTodoItems(reviewPayload) {
         status: config.status || '待补充',
         tone: 'warning'
       }
-    })
+    }),
+      ...extraMissingLabels.map((label, index) => ({
+        key: `extra-missing-${index}-${label}`,
+        icon: label.includes('酒店') || label.includes('住宿') ? 'mdi mdi-bed-outline' : 'mdi mdi-file-alert-outline',
+        title: label,
+        hint: label.includes('必须')
+          ? '该票据属于当前差旅提交的必备材料，补齐后才能继续下一步。'
+          : '可以继续补充该材料；如暂时没有，也可以按当前信息处理。',
+        status: label.includes('必须') ? '必须补齐' : '可选补充',
+        tone: 'warning'
+      }))
+    ]
   }
 
   return resolveReviewRecognizedSlotCards(reviewPayload)
@@ -2571,8 +2609,18 @@ function buildLocallySyncedReviewActions(reviewPayload, canProceed) {
     return actions
   }
 
+  const syncedActions = actions.filter((item) => String(item?.action_type || '').trim() !== 'next_step')
+  if (!syncedActions.some((item) => String(item?.action_type || '').trim() === 'save_draft')) {
+    syncedActions.push({
+      label: '保存为草稿',
+      action_type: 'save_draft',
+      description: '先暂存当前已识别信息，稍后仍可继续补充或提交。',
+      emphasis: 'secondary'
+    })
+  }
+
   return [
-    ...actions.filter((item) => !['save_draft', 'next_step'].includes(String(item?.action_type || '').trim())),
+    ...syncedActions,
     {
       label: '继续下一步',
       action_type: 'next_step',
@@ -2607,12 +2655,17 @@ function buildLocallySyncedReviewPayload(reviewPayload, inlineState = createEmpt
   const missingSlots = nextSlotCards
     .filter((slot) => slot.required && slot.status === 'missing')
     .map((slot) => slot.label || slot.key)
-  const canProceed = missingSlots.length === 0 && (Array.isArray(reviewPayload.claim_groups) ? reviewPayload.claim_groups.length > 0 : true)
+  const extraMissingSlots = resolveReviewExtraMissingLabels({
+    ...reviewPayload,
+    slot_cards: nextSlotCards
+  })
+  const allMissingSlots = [...missingSlots, ...extraMissingSlots]
+  const canProceed = allMissingSlots.length === 0 && (Array.isArray(reviewPayload.claim_groups) ? reviewPayload.claim_groups.length > 0 : true)
 
   return {
     ...reviewPayload,
     can_proceed: canProceed,
-    missing_slots: missingSlots,
+    missing_slots: allMissingSlots,
     slot_cards: nextSlotCards,
     confirmation_actions: buildLocallySyncedReviewActions(reviewPayload, canProceed)
   }
@@ -2821,22 +2874,24 @@ function buildReviewDocumentSummaries(reviewPayload) {
 }
 
 function buildReviewDecisionHint(reviewPayload) {
-  const missingSlots = resolveReviewMissingSlotCards(reviewPayload)
+  const pendingCount = countReviewPendingItems(reviewPayload)
   const riskBriefs = resolveReviewRiskBriefs(reviewPayload)
   if (reviewPayload?.can_proceed) {
+    if (shouldShowReviewUploadButton(reviewPayload)) {
+      return '必需信息已整理好；如还有非必需票据可以继续上传，也可以直接进入下一步或保存草稿。'
+    }
     return riskBriefs.length
       ? `我已经把信息整理好了。你可以直接进入下一步，提交前再看一下下方 ${riskBriefs.length} 条提醒。`
       : '我已经把信息整理好了。你确认无误后，可以直接进入下一步。'
   }
-  if (missingSlots.length) {
-    return `我先完成了当前这轮识别，还差 ${missingSlots.length} 项关键信息。你可以继续补充；如果暂时拿不全，也可以先保存草稿。`
+  if (pendingCount) {
+    return `我先完成了当前这轮识别，还差 ${pendingCount} 项关键信息。你可以继续补充；如果暂时拿不全，也可以先保存草稿。`
   }
   return '如果你觉得识别结果有偏差，点“修改识别信息”直接校正，我会按新内容重新识别。'
 }
 
 function buildReviewMissingHint(reviewPayload) {
-  const missingSlots = resolveReviewMissingSlotCards(reviewPayload)
-  if (!missingSlots.length) {
+  if (!countReviewPendingItems(reviewPayload)) {
     return ''
   }
   if (reviewPayload?.can_proceed) {
@@ -2860,8 +2915,19 @@ function buildReviewActionHint(reviewPayload) {
   return '如果现在信息还不完整，可以先保存草稿；识别错了就点“修改识别信息”。'
 }
 
+function shouldShowReviewUploadButton(reviewPayload) {
+  const documents = Array.isArray(reviewPayload?.document_cards) ? reviewPayload.document_cards : []
+  if (!documents.length) return true
+  if (countReviewPendingItems(reviewPayload)) return true
+
+  return resolveReviewRiskBriefs(reviewPayload).some((brief) => {
+    const text = `${brief?.title || ''} ${brief?.content || ''} ${brief?.suggestion || ''}`
+    return /差旅票据待补充|待上传|可继续上传|可继续提供/.test(text)
+  })
+}
+
 function buildReviewStatusTag(reviewPayload) {
-  const missingCount = resolveReviewMissingSlotCards(reviewPayload).length
+  const missingCount = countReviewPendingItems(reviewPayload)
   if (reviewPayload?.can_proceed) {
     return '可继续处理'
   }
@@ -5607,6 +5673,7 @@ export default {
       buildReviewTodoSectionMeta,
       buildReviewAlertChips,
       buildReviewTodoItems,
+      shouldShowReviewUploadButton,
       resolveReviewSubmitActions,
       resolveReviewPrimaryAction,
       resolveReviewEditAction,
diff --git a/web/src/views/scripts/TravelRequestDetailView.js b/web/src/views/scripts/TravelRequestDetailView.js
index 931646a..ad50e93 100644
--- a/web/src/views/scripts/TravelRequestDetailView.js
+++ b/web/src/views/scripts/TravelRequestDetailView.js
@@ -15,6 +15,7 @@ import {
   returnExpenseClaim,
   submitExpenseClaim,
   uploadExpenseClaimItemAttachment,
+  updateExpenseClaim,
   updateExpenseClaimItem
 } from '../../services/reimbursements.js'
 import {
@@ -32,6 +33,10 @@ import {
 
 const EXPENSE_TYPE_OPTIONS = [
   { value: 'travel', label: '差旅费' },
+  { value: 'train_ticket', label: '火车票' },
+  { value: 'flight_ticket', label: '机票' },
+  { value: 'hotel_ticket', label: '住宿票' },
+  { value: 'ride_ticket', label: '乘车' },
   { value: 'entertainment', label: '业务招待费' },
   { value: 'office', label: '办公费' },
   { value: 'meeting', label: '会务费' },
@@ -39,15 +44,23 @@ const EXPENSE_TYPE_OPTIONS = [
   { value: 'hotel', label: '住宿费' },
   { value: 'transport', label: '交通费' },
   { value: 'meal', label: '餐费' },
+  { value: 'travel_allowance', label: '出差补贴' },
   { value: 'other', label: '其他费用' }
 ]
 
 const LOCATION_REQUIRED_EXPENSE_TYPES = new Set([
   'travel',
+  'train_ticket',
+  'flight_ticket',
+  'hotel_ticket',
+  'ride_ticket',
   'meeting',
   'entertainment'
 ])
 
+const SYSTEM_GENERATED_EXPENSE_TYPES = new Set(['travel_allowance'])
+const LONG_DISTANCE_TRAVEL_EXPENSE_TYPES = new Set(['train_ticket', 'flight_ticket'])
+
 function parseCurrency(value) {
   return Number.parseFloat(String(value).replace(/[^\d.]/g, '')) || 0
 }
@@ -69,6 +82,11 @@ function resolveExpenseTypeLabel(value) {
   return EXPENSE_TYPE_OPTIONS.find((option) => option.value === normalizeExpenseType(value))?.label || '其他费用'
 }
 
+function isSystemGeneratedExpenseItemSource(source) {
+  const itemType = normalizeExpenseType(source?.itemType || source?.item_type)
+  return Boolean(source?.isSystemGenerated || source?.is_system_generated || SYSTEM_GENERATED_EXPENSE_TYPES.has(itemType))
+}
+
 function isLocationRequiredExpenseType(value) {
   return LOCATION_REQUIRED_EXPENSE_TYPES.has(normalizeExpenseType(value))
 }
@@ -135,6 +153,11 @@ function isPlaceholderValue(value) {
   return ['待补充', '暂无', '无', '未知', '处理中'].includes(text.replace(/\s+/g, ''))
 }
 
+function normalizeDetailNoteDraftValue(value) {
+  const text = String(value || '').trim()
+  return isPlaceholderValue(text) ? '' : text
+}
+
 function isValidIsoDate(value) {
   const normalized = String(value || '').trim()
   if (!/^\d{4}-\d{2}-\d{2}$/.test(normalized)) {
@@ -213,8 +236,65 @@ function extractAttachmentDisplayName(value) {
   return normalized.split('/').filter(Boolean).pop() || normalized
 }
 
-function buildExpenseItemViewModel(source, index, requestModel) {
+function resolveExpenseItemViewId(source, index, requestModel) {
+  return String(source?.id || `${requestModel?.claimId || requestModel?.id || 'claim'}-item-${index}`)
+}
+
+function buildTravelTimeLabelMap(items, requestModel) {
+  const travelItems = items
+    .map((item, index) => {
+      const itemType = normalizeExpenseType(item?.itemType || item?.item_type || requestModel?.typeCode || 'other')
+      return {
+        id: resolveExpenseItemViewId(item, index, requestModel),
+        index,
+        itemType,
+        itemDate: normalizeIsoDateValue(item?.itemDate ?? item?.item_date),
+        isSystemGenerated: isSystemGeneratedExpenseItemSource({ ...item, itemType })
+      }
+    })
+    .filter((item) => !item.isSystemGenerated && LONG_DISTANCE_TRAVEL_EXPENSE_TYPES.has(item.itemType))
+    .sort((left, right) => {
+      const dateCompare = String(left.itemDate || '').localeCompare(String(right.itemDate || ''))
+      return dateCompare || left.index - right.index
+    })
+
+  const labels = new Map()
+  if (!travelItems.length) {
+    return labels
+  }
+
+  travelItems.forEach((item, index) => {
+    if (index === 0) {
+      labels.set(item.id, '出发时间')
+    } else if (index === travelItems.length - 1) {
+      labels.set(item.id, '返回时间')
+    } else {
+      labels.set(item.id, '中转时间')
+    }
+  })
+  return labels
+}
+
+function resolveExpenseTimeLabel({ id, itemType, isSystemGenerated, requestModel, travelTimeLabelMap }) {
+  if (isSystemGenerated) {
+    return '系统自动计算'
+  }
+  if (travelTimeLabelMap?.has(id)) {
+    return travelTimeLabelMap.get(id)
+  }
+  if (itemType === 'ride_ticket') {
+    return '乘车时间'
+  }
+  if (itemType === 'hotel_ticket') {
+    return '住宿时间'
+  }
+  return requestModel?.detailVariant === 'travel' ? '出行时间' : '业务发生时间'
+}
+
+function buildExpenseItemViewModel(source, index, requestModel, travelTimeLabelMap = new Map()) {
   const itemType = normalizeExpenseType(source?.itemType || source?.item_type || requestModel?.typeCode || 'other')
+  const isSystemGenerated = isSystemGeneratedExpenseItemSource({ ...source, itemType })
+  const id = resolveExpenseItemViewId(source, index, requestModel)
   const itemReason = String(source?.itemReason ?? source?.item_reason ?? '').trim()
   const itemLocation = String(source?.itemLocation ?? source?.item_location ?? '').trim()
   const itemDate = normalizeIsoDateValue(source?.itemDate ?? source?.item_date)
@@ -232,26 +312,33 @@ function buildExpenseItemViewModel(source, index, requestModel) {
   )
 
   return {
-    id: String(source?.id || `${requestModel?.claimId || requestModel?.id || 'claim'}-item-${index}`),
+    id,
     itemDate,
     itemType,
     itemReason,
     itemLocation,
     itemAmount,
     invoiceId,
+    isSystemGenerated,
     time: itemDate || '待补充',
     filledAt: filledAt || '待同步',
-    dayLabel: requestModel?.detailVariant === 'travel' ? `第 ${index + 1} 项` : '业务发生项',
+    dayLabel: resolveExpenseTimeLabel({
+      id,
+      itemType,
+      isSystemGenerated,
+      requestModel,
+      travelTimeLabelMap
+    }),
     name: resolveExpenseTypeLabel(itemType),
     category: resolveExpenseTypeLabel(itemType),
     desc: itemReason || '待补充',
     detail: resolveLocationDisplay(itemLocation, itemType),
     amount: amountDisplay,
-    status: attachments.length ? '已识别' : '待补充',
-    tone: attachments.length ? 'ok' : 'bad',
-    attachmentStatus: attachments.length ? '已关联票据' : '未上传',
-    attachmentHint: attachments.length ? attachmentName || attachments[0] : resolveExpenseUploadHint(),
-    attachmentTone: attachments.length ? 'ok' : 'missing',
+    status: isSystemGenerated ? '系统计算' : attachments.length ? '已识别' : '待补充',
+    tone: isSystemGenerated ? 'system' : attachments.length ? 'ok' : 'bad',
+    attachmentStatus: isSystemGenerated ? '无需附件' : attachments.length ? '已关联票据' : '未上传',
+    attachmentHint: isSystemGenerated ? '根据出差天数与职级自动测算' : attachments.length ? attachmentName || attachments[0] : resolveExpenseUploadHint(),
+    attachmentTone: isSystemGenerated ? 'system' : attachments.length ? 'ok' : 'missing',
     attachments,
     riskLabel: String(source?.riskLabel || '').trim() || '无',
     riskText,
@@ -260,11 +347,17 @@ function buildExpenseItemViewModel(source, index, requestModel) {
 }
 
 function rebuildExpenseItems(items, requestModel) {
-  return items.map((item, index) => buildExpenseItemViewModel(item, index, requestModel))
+  const sortedItems = [...items]
+    .sort((left, right) => Number(isSystemGeneratedExpenseItemSource(left)) - Number(isSystemGeneratedExpenseItemSource(right)))
+  const travelTimeLabelMap = buildTravelTimeLabelMap(sortedItems, requestModel)
+  return sortedItems.map((item, index) => buildExpenseItemViewModel(item, index, requestModel, travelTimeLabelMap))
 }
 
 function buildExpenseDraftIssues(item) {
   const issues = []
+  if (item.isSystemGenerated) {
+    return issues
+  }
   const locationRequired = isLocationRequiredExpenseType(item.itemType)
 
   if (!isValidIsoDate(item.itemDate)) {
@@ -441,6 +534,8 @@ export default {
       itemAmount: '',
       invoiceId: ''
     })
+    const detailNoteEditor = ref('')
+    const savingDetailNote = ref(false)
 
     const request = computed(() => {
       const normalized = normalizeRequestForUi(props.request)
@@ -654,7 +749,7 @@ export default {
     }
 
     const expenseTotal = computed(() => {
-      const total = expenseItems.value.reduce((sum, item) => sum + parseCurrency(item.amount), 0)
+      const total = expenseItems.value.reduce((sum, item) => sum + Number(item.itemAmount || 0), 0)
       return formatCurrency(total)
     })
 
@@ -662,10 +757,21 @@ export default {
     const expenseTableColumnCount = computed(
       () => 6 + (isEditableRequest.value ? 1 : 0)
     )
-    const detailNote = computed(
-      () =>
-        request.value.note
-        || '暂无附加说明。可在这里补充特殊背景、例外原因、补件计划或其他需要财务和审批人重点关注的信息。'
+    const canEditDetailNote = computed(() => isDraftRequest.value)
+    const detailNoteSource = computed(() => normalizeDetailNoteDraftValue(request.value.note))
+    const detailNote = computed(() => {
+      if (detailNoteSource.value) {
+        return detailNoteSource.value
+      }
+      return '暂无附加说明。请补充本次出差或办事事由，例如“去北京客户现场出差，拜访 XX 客户并处理项目验收事项”。'
+    })
+    const detailNoteDirty = computed(() => detailNoteEditor.value.trim() !== detailNoteSource.value)
+    watch(
+      () => [request.value.claimId, detailNoteSource.value],
+      ([, nextNote]) => {
+        detailNoteEditor.value = nextNote
+      },
+      { immediate: true }
     )
     const draftBlockingIssues = computed(() =>
       isEditableRequest.value ? buildDraftBlockingIssues(request.value, expenseItems.value) : []
@@ -873,10 +979,44 @@ export default {
       })
     })
 
+    function resetDetailNote() {
+      detailNoteEditor.value = detailNoteSource.value
+    }
+
+    async function saveDetailNote() {
+      if (!canEditDetailNote.value || savingDetailNote.value) {
+        return
+      }
+      if (!request.value.claimId) {
+        toast('当前草稿缺少 claimId，暂时无法保存附加说明。')
+        return
+      }
+      if (!detailNoteDirty.value) {
+        return
+      }
+
+      savingDetailNote.value = true
+      try {
+        await updateExpenseClaim(request.value.claimId, {
+          reason: detailNoteEditor.value.trim()
+        })
+        toast('附加说明已保存。')
+        emit('request-updated', { claimId: request.value.claimId })
+      } catch (error) {
+        toast(error?.message || '附加说明保存失败，请稍后重试。')
+      } finally {
+        savingDetailNote.value = false
+      }
+    }
+
     function startExpenseEdit(item) {
       if (!isEditableRequest.value || actionBusy.value) {
         return
       }
+      if (item?.isSystemGenerated) {
+        toast('系统自动计算的补贴行不能手动编辑。')
+        return
+      }
 
       editingExpenseId.value = item.id
       expenseEditor.itemDate = item.itemDate || ''
@@ -954,6 +1094,11 @@ export default {
         return
       }
 
+      if (item?.isSystemGenerated) {
+        toast('系统自动计算的补贴行无需上传附件。')
+        return
+      }
+
       if (item?.invoiceId) {
         toast('每条费用明细只能关联一张单据，如需更换请先删除当前单据。')
         return
@@ -1036,6 +1181,10 @@ export default {
       if (!item || !file) {
         return
       }
+      if (item?.isSystemGenerated) {
+        toast('系统自动计算的补贴行无需上传附件。')
+        return
+      }
 
       if (item?.invoiceId) {
         toast('每条费用明细只能关联一张单据，如需更换请先删除当前单据。')
@@ -1138,6 +1287,10 @@ export default {
       if (!request.value.claimId || !item?.id || actionBusy.value) {
         return
       }
+      if (item?.isSystemGenerated) {
+        toast('系统自动计算的补贴行不能删除。')
+        return
+      }
 
       deletingExpenseId.value = item.id
       try {
@@ -1468,18 +1621,21 @@ export default {
       confirmReturnRequest,
       currentAttachmentPreviewInsight,
       currentAttachmentPreviewRiskCards,
-      currentProgressRingMotion,
-      deleteActionLabel,
-      deleteBusy,
-      deleteDialogDescription,
-      deleteDialogOpen,
-      deleteDialogTitle,
-      deletingAttachmentId,
-      deletingExpenseId,
-      detailNote,
-      draftBlockingIssues,
-      editingExpenseId,
-      creatingExpense,
+          currentProgressRingMotion,
+          canEditDetailNote,
+          deleteActionLabel,
+          deleteBusy,
+          deleteDialogDescription,
+          deleteDialogOpen,
+          deleteDialogTitle,
+          deletingAttachmentId,
+          deletingExpenseId,
+          detailNote,
+          detailNoteDirty,
+          detailNoteEditor,
+          draftBlockingIssues,
+          editingExpenseId,
+          creatingExpense,
       expenseEditor,
       expenseItems,
       expenseTableColumnCount,
@@ -1502,18 +1658,21 @@ export default {
       goToPreviousAttachmentPreview,
       profile,
       progressSteps,
-      request,
-      leaderOpinion,
-      removeExpenseAttachment,
-      removeExpenseItem,
-      resolveAttachmentDisplayName,
-      resolveAttachmentPreviewTitle,
-      resolveAttachmentRecognition,
-      resolveExpenseRiskState,
-      resolveExpenseIssues,
+          request,
+          leaderOpinion,
+          removeExpenseAttachment,
+          removeExpenseItem,
+          resetDetailNote,
+          resolveAttachmentDisplayName,
+          resolveAttachmentPreviewTitle,
+          resolveAttachmentRecognition,
+          resolveExpenseRiskState,
+          resolveExpenseIssues,
       returnBusy,
-      returnDialogOpen,
-      savingExpenseId,
+          returnDialogOpen,
+          saveDetailNote,
+          savingDetailNote,
+          savingExpenseId,
       showLeaderApprovalPanel,
       showExpenseRisk,
       startExpenseEdit,
diff --git a/web/src/views/scripts/travelRequestDetailInsights.js b/web/src/views/scripts/travelRequestDetailInsights.js
index 5b62b7b..dc33db7 100644
--- a/web/src/views/scripts/travelRequestDetailInsights.js
+++ b/web/src/views/scripts/travelRequestDetailInsights.js
@@ -265,19 +265,44 @@ export function buildAiAdviceViewModel({ completionItems = [], riskCards = [] }
   const hasHighRisk = normalizedRiskCards.some((card) => card.tone === 'high')
 
   if (!normalizedCompletionItems.length && !normalizedRiskCards.length) {
+    const items = [
+      '点击右下角“提交审批”进入流程。',
+      '提交前再核对一次合计金额与各条费用明细金额是否一致。',
+      '如有特殊业务背景或例外情况，可在下方附加说明中补充。'
+    ]
+
     return {
       tone: 'ready',
       badge: '可直接提交',
       summary: 'AI判断当前草稿已具备提交条件，可以直接发起审批。',
-      items: [
-        '点击右下角“提交审批”进入流程。',
-        '提交前再核对一次合计金额与各条费用明细金额是否一致。',
-        '如有特殊业务背景或例外情况，可在下方附加说明中补充。'
-      ],
-      riskCards: []
+      items,
+      riskCards: [],
+      sections: [
+        {
+          kind: 'completion',
+          title: '建议补充字段',
+          items
+        }
+      ]
     }
   }
 
+  const sections = []
+  if (normalizedCompletionItems.length) {
+    sections.push({
+      kind: 'completion',
+      title: '建议补充字段',
+      items: normalizedCompletionItems
+    })
+  }
+  if (normalizedRiskCards.length) {
+    sections.push({
+      kind: 'risk',
+      title: '已知存在风险',
+      items: normalizedRiskCards
+    })
+  }
+
   return {
     tone: hasHighRisk ? 'warning' : 'pending',
     badge: hasHighRisk ? '优先整改' : '待核对',
@@ -285,6 +310,7 @@ export function buildAiAdviceViewModel({ completionItems = [], riskCards = [] }
       ? `AI已整理出 ${normalizedRiskCards.length} 个风险点，请逐项核对规则依据和修改建议。`
       : '建议先补齐必填信息，完成后即可提交审批。',
     items: normalizedCompletionItems,
-    riskCards: normalizedRiskCards
+    riskCards: normalizedRiskCards,
+    sections
   }
 }
diff --git a/web/tests/requestProgressSteps.test.mjs b/web/tests/requestProgressSteps.test.mjs
index 84a18c2..653524b 100644
--- a/web/tests/requestProgressSteps.test.mjs
+++ b/web/tests/requestProgressSteps.test.mjs
@@ -98,6 +98,71 @@ test('progress steps do not expose approver email when manager name is available
   }
 })
 
+test('travel expense items describe departure return and lodging time below the date', () => {
+  const request = mapExpenseClaimToRequest({
+    id: 'claim-travel-time-labels',
+    claim_no: 'EXP-202605-TRAVEL',
+    employee_name: '张三',
+    department_name: '市场部',
+    expense_type: 'travel',
+    reason: '北京客户现场出差',
+    location: '北京',
+    amount: 1108,
+    invoice_count: 3,
+    occurred_at: '2026-05-13T01:00:00.000Z',
+    created_at: '2026-05-13T01:30:00.000Z',
+    updated_at: '2026-05-13T03:30:00.000Z',
+    status: 'draft',
+    approval_stage: '待提交',
+    risk_flags_json: [],
+    items: [
+      {
+        id: 'outbound-train',
+        item_type: 'train_ticket',
+        item_reason: '从广州南到北京南',
+        item_location: '北京',
+        item_date: '2026-05-13',
+        item_amount: 354,
+        invoice_id: 'outbound.png'
+      },
+      {
+        id: 'hotel',
+        item_type: 'hotel_ticket',
+        item_reason: '北京全季酒店',
+        item_location: '北京',
+        item_date: '2026-05-14',
+        item_amount: 100,
+        invoice_id: 'hotel.png'
+      },
+      {
+        id: 'return-train',
+        item_type: 'train_ticket',
+        item_reason: '从北京南到广州南',
+        item_location: '广州',
+        item_date: '2026-05-15',
+        item_amount: 354,
+        invoice_id: 'return.png'
+      },
+      {
+        id: 'allowance',
+        item_type: 'travel_allowance',
+        item_reason: '系统自动计算出差补贴',
+        item_location: '北京',
+        item_date: '2026-05-15',
+        item_amount: 300,
+        invoice_id: '',
+        is_system_generated: true
+      }
+    ]
+  })
+
+  assert.equal(request.expenseItems.find((item) => item.id === 'outbound-train')?.dayLabel, '出发时间')
+  assert.equal(request.expenseItems.find((item) => item.id === 'return-train')?.dayLabel, '返回时间')
+  assert.equal(request.expenseItems.find((item) => item.id === 'hotel')?.dayLabel, '住宿时间')
+  assert.equal(request.expenseItems.at(-1)?.id, 'allowance')
+  assert.equal(request.expenseItems.at(-1)?.dayLabel, '系统自动计算')
+})
+
 test('completed finance approval marks finance and archive progress steps', () => {
   const request = mapExpenseClaimToRequest({
     id: 'claim-finance-completed',
diff --git a/web/tests/travel-request-detail-risk-advice.test.mjs b/web/tests/travel-request-detail-risk-advice.test.mjs
index d446bd5..414279a 100644
--- a/web/tests/travel-request-detail-risk-advice.test.mjs
+++ b/web/tests/travel-request-detail-risk-advice.test.mjs
@@ -17,6 +17,10 @@ const detailViewScript = readFileSync(
   fileURLToPath(new URL('../src/views/scripts/TravelRequestDetailView.js', import.meta.url)),
   'utf8'
 )
+const detailViewStyle = readFileSync(
+  fileURLToPath(new URL('../src/assets/styles/views/travel-request-detail-view.css', import.meta.url)),
+  'utf8'
+)
 const requestsComposableScript = readFileSync(
   fileURLToPath(new URL('../src/composables/useRequests.js', import.meta.url)),
   'utf8'
@@ -97,6 +101,77 @@ test('AI advice card splits every attachment risk point with basis and suggestio
   assert.ok(advice.riskCards.every((card) => card.suggestion.includes('费用项目调整为交通费')))
 })
 
+test('AI advice view model exposes grouped completion and risk sections', () => {
+  const advice = buildAiAdviceViewModel({
+    completionItems: ['补充业务地点', '补充报销金额'],
+    riskCards: [
+      {
+        id: 'risk-1',
+        tone: 'high',
+        label: '高风险',
+        title: '票据类型不匹配',
+        risk: '交通票据挂在办公费明细下。',
+        ruleBasis: ['附件类型与当前费用项目不匹配。'],
+        suggestion: '把费用项目调整为交通费。'
+      }
+    ]
+  })
+
+  assert.equal(advice.sections.length, 2)
+  assert.deepEqual(
+    advice.sections.map((section) => ({ title: section.title, kind: section.kind })),
+    [
+      { title: '建议补充字段', kind: 'completion' },
+      { title: '已知存在风险', kind: 'risk' }
+    ]
+  )
+  assert.deepEqual(advice.sections[0].items, ['补充业务地点', '补充报销金额'])
+  assert.equal(advice.sections[1].items.length, 1)
+})
+
+test('AI advice view model omits empty sections', () => {
+  const completionOnlyAdvice = buildAiAdviceViewModel({
+    completionItems: ['补充业务地点'],
+    riskCards: []
+  })
+  const riskOnlyAdvice = buildAiAdviceViewModel({
+    completionItems: [],
+    riskCards: [
+      {
+        id: 'risk-1',
+        tone: 'medium',
+        label: '中风险',
+        title: '说明不完整',
+        risk: '缺少业务背景。',
+        ruleBasis: ['系统预审规则命中该风险提示。'],
+        suggestion: '补充说明。'
+      }
+    ]
+  })
+
+  assert.deepEqual(completionOnlyAdvice.sections.map((section) => section.title), ['建议补充字段'])
+  assert.deepEqual(riskOnlyAdvice.sections.map((section) => section.title), ['已知存在风险'])
+})
+
+test('AI advice template renders grouped section titles with completion before risk', () => {
+  assert.match(detailViewTemplate, /v-if="aiAdvice\.sections\.length" class="validation-sections"/)
+  assert.match(detailViewTemplate, /v-for="section in aiAdvice\.sections"/)
+  assert.match(detailViewTemplate, /validation-section--\$\{section\.kind\}/)
+  assert.match(detailViewTemplate, /<h4 class="validation-section-title">\{\{ section\.title \}\}<\/h4>/)
+  assert.match(detailViewTemplate, /v-if="section\.kind === 'completion'" class="validation-list"/)
+  assert.match(detailViewTemplate, /v-else class="risk-advice-list"/)
+  assert.ok(
+    detailViewTemplate.indexOf("section.kind === 'completion'") < detailViewTemplate.indexOf('risk-advice-card')
+  )
+})
+
+test('AI advice risk section uses compact card styling hooks', () => {
+  assert.match(detailViewTemplate, /class="\['risk-advice-card', card\.tone\]"/)
+  assert.match(detailViewStyle, /\.validation-card \{\s*border: 1px solid #e5e7eb;/)
+  assert.match(detailViewStyle, /\.validation-section--risk \.risk-advice-card \{\s*display: grid;\s*gap: 8px;\s*padding: 12px 12px 11px;/)
+  assert.match(detailViewStyle, /\.validation-section--risk \.risk-advice-meta ul,\s*\.validation-section--risk \.risk-advice-meta p \{\s*margin: 0;/)
+})
+
 test('AI advice shows only the latest manual return while preserving return count context', () => {
   const riskCards = buildAttachmentRiskCards({
     claimRiskFlags: [
@@ -138,16 +213,60 @@ test('expense attachment actions keep preview as the only recognition entry poin
   assert.doesNotMatch(detailViewScript, /recognizingExpenseId/)
 })
 
-test('expense detail table omits compact-breaking summary labels', () => {
+test('expense detail table shows the amount total below detail rows', () => {
   assert.match(detailViewTemplate, /<div class="detail-expense-table">/)
   assert.match(detailViewTemplate, /当前还没有费用明细/)
   assert.doesNotMatch(detailViewTemplate, /class="total-row"/)
-  assert.doesNotMatch(detailViewTemplate, /expense-total-bar/)
-  assert.doesNotMatch(detailViewTemplate, /合计 \{\{ expenseTotal \}\}/)
+  assert.match(detailViewTemplate, /class="expense-total-under-table"[\s\S]*金额合计[\s\S]*\{\{ expenseTotal \}\}/)
   assert.doesNotMatch(detailViewTemplate, /\{\{ uploadedExpenseCount \}\} 项已关联票据/)
   assert.doesNotMatch(detailViewTemplate, /\{\{ expenseSummaryText \}\}/)
 })
 
+test('additional note is shown above expense details as travel purpose text', () => {
+  assert.ok(detailViewTemplate.indexOf('<h3>附加说明</h3>') < detailViewTemplate.indexOf('<h3>费用明细</h3>'))
+  assert.match(detailViewTemplate, /用于说明本次出差或办事目的/)
+  assert.match(detailViewTemplate, /v-if="canEditDetailNote" class="detail-note-editor"/)
+  assert.match(detailViewTemplate, /v-else class="detail-note readonly"/)
+  assert.match(detailViewTemplate, /v-model="detailNoteEditor"/)
+  assert.match(detailViewTemplate, /提交后将作为明确说明展示/)
+  assert.match(detailViewScript, /const canEditDetailNote = computed\(\(\) => isDraftRequest\.value\)/)
+  assert.match(detailViewScript, /function normalizeDetailNoteDraftValue\(value\)/)
+  assert.match(detailViewScript, /const detailNoteSource = computed\(\(\) => normalizeDetailNoteDraftValue\(request\.value\.note\)\)/)
+  assert.match(detailViewScript, /updateExpenseClaim\(request\.value\.claimId/)
+  assert.match(detailViewScript, /emit\('request-updated', \{ claimId: request\.value\.claimId \}\)/)
+  assert.match(detailViewScript, /暂无附加说明。请补充本次出差或办事事由/)
+  assert.match(detailViewScript, /去北京客户现场出差，拜访 XX 客户并处理项目验收事项/)
+  assert.match(detailViewStyle, /\.detail-note-editor textarea/)
+  assert.match(detailViewStyle, /\.detail-note\.readonly/)
+})
+
+test('ticket item types and system allowance row are visible but read only', () => {
+  assert.match(detailViewScript, /value: 'train_ticket', label: '火车票'/)
+  assert.match(detailViewScript, /value: 'flight_ticket', label: '机票'/)
+  assert.match(detailViewScript, /value: 'hotel_ticket', label: '住宿票'/)
+  assert.match(detailViewScript, /value: 'ride_ticket', label: '乘车'/)
+  assert.match(detailViewScript, /value: 'travel_allowance', label: '出差补贴'/)
+  assert.match(detailViewScript, /const SYSTEM_GENERATED_EXPENSE_TYPES = new Set\(\['travel_allowance'\]\)/)
+  assert.match(detailViewTemplate, /'system-generated-row': item\.isSystemGenerated/)
+  assert.match(detailViewTemplate, /v-if="item\.isSystemGenerated" class="system-row-lock"/)
+  assert.match(detailViewTemplate, /v-if="item\.isSystemGenerated" class="system-attachment-note"/)
+  assert.match(detailViewScript, /系统自动计算的补贴行不能手动编辑/)
+  assert.match(detailViewScript, /系统自动计算的补贴行不能删除/)
+})
+
+test('travel item date caption distinguishes departure return and trip events', () => {
+  assert.match(detailViewTemplate, /<span>\{\{ item\.dayLabel \}\}<\/span>/)
+  assert.match(detailViewScript, /const LONG_DISTANCE_TRAVEL_EXPENSE_TYPES = new Set\(\['train_ticket', 'flight_ticket'\]\)/)
+  assert.match(detailViewScript, /function buildTravelTimeLabelMap\(items, requestModel\)/)
+  assert.match(detailViewScript, /labels\.set\(item\.id, '出发时间'\)/)
+  assert.match(detailViewScript, /labels\.set\(item\.id, '返回时间'\)/)
+  assert.match(detailViewScript, /return '乘车时间'/)
+  assert.match(detailViewScript, /return '住宿时间'/)
+  assert.match(requestsComposableScript, /function buildTravelTimeLabelMap\(items, claim\)/)
+  assert.match(requestsComposableScript, /return claim\?\.expense_type === 'travel' \? '出行时间' : '业务发生时间'/)
+  assert.doesNotMatch(detailViewScript, /第 \$\{index \+ 1\} 项/)
+})
+
 test('expense detail table shows each item filled time from item creation time', () => {
   assert.match(detailViewTemplate, /<th class="col-filled-at">填写时间<\/th>/)
   assert.match(detailViewTemplate, /<td class="expense-filled-at col-filled-at">[\s\S]*\{\{ item\.filledAt \}\}/)
@@ -162,11 +281,11 @@ test('expense item upload remains limited to one receipt per detail row', () =>
   assert.match(detailViewTemplate, /ref="expenseUploadInput"[\s\S]*type="file"/)
   assert.doesNotMatch(detailViewTemplate, /\bmultiple\b/)
   assert.equal(
-    (detailViewTemplate.match(/v-if="isEditableRequest && !item\.invoiceId"/g) || []).length,
+    (detailViewTemplate.match(/v-if="isEditableRequest && !item\.invoiceId && !item\.isSystemGenerated"/g) || []).length,
     2
   )
   assert.match(detailViewScript, /const attachments = invoiceId \? \[attachmentName \|\| invoiceId\] : \[\]/)
-  assert.match(detailViewScript, /attachmentStatus: attachments\.length \? '已关联票据' : '未上传'/)
+  assert.match(detailViewScript, /attachmentStatus: isSystemGenerated \? '无需附件' : attachments\.length \? '已关联票据' : '未上传'/)
   assert.match(detailViewScript, /if \(item\?\.invoiceId\) \{[\s\S]*每条费用明细只能关联一张单据/)
   assert.match(detailViewScript, /const fileCount = fileList\?\.length \|\| 0/)
   assert.match(detailViewScript, /fileCount > 1[\s\S]*一条费用明细只能上传一张单据/)