diff --git a/web/src/views/Chat.vue b/web/src/views/Chat.vue
index e9c3a77..0106b5f 100644
--- a/web/src/views/Chat.vue
+++ b/web/src/views/Chat.vue
@@ -355,8 +355,9 @@ onUnmounted(() => {
       />
     </div>
 
-    <!-- 右侧边栏 -->
+    <!-- 右侧边栏 - 仅在有会话时显示 -->
     <ChatSidebar
+      v-if="currentSessionId"
       :collapsed="sidebarCollapsed"
       :chat-agents="chatAgents"
       :selected-agent="selectedAgent"