fix 汇总数量

Src/Dlhis.Canteen/Order/Response/OrderBookingResponse.cs

@@ -71,4 +71,9 @@ public class OrderBookingResponse
     /// </summary>
     public BalanceRecordSourceEnumType Source { get; set; }
     public string SourceDesc => Source.GetDescription();
+
+    /// <summary>
+    /// 汇总数量
+    /// </summary>
+    public int TotalNumber { get; set; }
 }