diff --git a/backend/app/routers/information.py b/backend/app/routers/information.py
index 633999b..8a4e17d 100644
--- a/backend/app/routers/information.py
+++ b/backend/app/routers/information.py
@@ -106,6 +106,7 @@ class InformationResponse(BaseModel):
 def get_information_list(
     info_type: Optional[str] = Query(None, description="类型: seek/deal/publish"),
     status: str = Query("active", description="状态: active/closed/expired"),
+    user_id: Optional[str] = Query(None, description="用户ID，用于获取该用户的行情"),
     page: int = Query(1, ge=1),
     page_size: int = Query(20, ge=1, le=500),
     current_user: Optional[User] = Depends(get_current_user),
@@ -121,6 +122,10 @@ def get_information_list(
     if info_type:
         query = query.filter(Information.info_type == info_type)
     
+    # 如果传入了user_id，只返回该用户的行情
+    if user_id:
+        query = query.filter(Information.user_id == user_id)
+    
     # 按创建时间倒序
     query = query.order_by(Information.created_at.desc())