diff --git a/.gitignore b/.gitignore
index 72f03fd..165d99c 100644
--- a/.gitignore
+++ b/.gitignore
@@ -152,6 +152,14 @@ ENV/
 env.bak/
 venv.bak/
 
+# Local backend config (含数据库账号密码等敏感信息，勿提交)
+backend/config.yaml
+
+# Agent / IDE 工具产物，不应进版本库
+.codex-backups/
+.pnpm-store/
+.zcode/
+
 # Spyder project settings
 .spyderproject
 .spyproject