fix 订餐返回当前信息,增加数量入参和响应

Src/Dlhis.Canteen/Order/Services/Implements/BookingOrderService.cs

@@ -115,11 +115,11 @@ public class BookingOrderService : BaseOrderService, IBookingOrderService
                     Version = 0,
                 });
 
-                (mealInfo == null).ThrowIfTrue("余额不足,无法消费");
-            }
-            //金额+-
-            mealInfo.Balance += order.Amount;
-            (mealInfo.Balance < 0).ThrowIfTrue("余额不足,无法消费");
+                    (mealInfo == null).ThrowIfTrue("余额不足,无法消费");
+                }
+                //金额+-
+                mealInfo.Balance += order.Amount;
+                (mealInfo.Balance < 0).ThrowIfTrue("余额不足,无法消费");
 
                 var effectMeal = await DbContext.Updateable<GainfoMealEntity>()
                         .SetColumns(x => x.Balance == mealInfo.Balance)