fix bug.

app/api/endpoints/order.py

@@ -46,9 +46,10 @@ def calculate_price(price_request: OrderPriceCalculateRequest,user: UserDB,db: S
         """
         # 计算所有包裹中的取件码总数
         package_count = sum(
-            len(package.pickup_codes.split(','))
+            # 如果package.pickup_codes是空字符串，则取0
+            0 if len(package.pickup_codes.split(',')) == 0 else len(package.pickup_codes.split(','))
             for package in price_request.packages
-            if package.pickup_codes
+                if package.pickup_codes
         )
         
         result = OrderPriceResult(
@@ -188,18 +189,19 @@ async def create_order(
     
     # 创建订单包裹
     for package in order.price_request.packages:
+        # 如果包裹有取件码，则创建包裹
+        if len(package.pickup_codes) > 0:
+            station = db.query(StationDB).filter(
+                StationDB.id == package.station_id
+            ).first()
 
-        station = db.query(StationDB).filter(
+            db_package = ShippingOrderPackageDB(
-            StationDB.id == package.station_id
+                orderid=orderid,
-        ).first()
+                station_id=package.station_id,
-
+                station_name=station.name,
-        db_package = ShippingOrderPackageDB(
+                pickup_codes=package.pickup_codes
-            orderid=orderid,
+            )
-            station_id=package.station_id,
+            db.add(db_package)
-            station_name=station.name,
-            pickup_codes=package.pickup_codes
-        )
-        db.add(db_package)
     
     try:
         # 如果使用了优惠券，更新优惠券状态