diff --git a/app/api/endpoints/order.py b/app/api/endpoints/order.py
index 0d1cc45..a877410 100644
--- a/app/api/endpoints/order.py
+++ b/app/api/endpoints/order.py
@@ -109,6 +109,17 @@ async def pre_order(
     db: Session = Depends(get_db),
     current_user: UserDB = Depends(get_current_user)
 ):
+    
+    # 检查是否有未支付的订单
+    unpay_order = db.query(ShippingOrderDB).filter(
+        ShippingOrderDB.userid == current_user.userid,
+        ShippingOrderDB.status == OrderStatus.UNPAID
+    ).first()
+    if unpay_order:
+        return error_response(code=400, message="存在未支付的订单", data={
+            "orderid": unpay_order.orderid
+        })
+
     """预下单 - 计算价格"""
     price_info = calculate_price(request, current_user, db)
     return success_response(data=price_info)
@@ -208,7 +219,8 @@ async def create_shipping_order(
             message="订单创建成功",
             data={
                 "order": OrderInfo.model_validate(db_order),
-                "packages": [OrderPackageInfo.model_validate(p) for p in packages]
+                "packages": [OrderPackageInfo.model_validate(p) for p in packages],
+                "success_text" : settings.ORDER_SUCCESS_TEXT
             }
         )
     except Exception as e:
diff --git a/app/core/config.py b/app/core/config.py
index 9e891fa..6cbf6c8 100644
--- a/app/core/config.py
+++ b/app/core/config.py
@@ -18,6 +18,9 @@ class Settings(BaseSettings):
     ORDER_EXTRA_PACKAGE_THRESHOLD: int = 5  # 额外收费阈值
     ORDER_DELIVERYMAN_SHARE_RATIO: float = 0.8  # 配送员分账比例
 
+    #订单创建成功文案
+    ORDER_SUCCESS_TEXT: str = "订单预计今晚前送达，请注意查收"
+
     # JWT 配置
     SECRET_KEY: str = "s10GmiRMmplfYWXYZLSsE3X36Ld4gVZxHgAcdqFGC20v3llv7UdOeWLBEEP3e40p"
     ACCESS_TOKEN_EXPIRE_MINUTES: Optional[int] = None  # None 表示永不过期