fix 类型修改

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

@@ -75,7 +75,7 @@ public class BalanceRecordDetailPageResponse : IExcelExportable
     /// 消费金额
     /// </summary>
     [Excel("金额", "0.00")]
-    public string Amount => CurrentAmount.ToString("f2");
+    public decimal Amount => CurrentAmount;
 
     [JsonIgnore]
     public decimal CurrentAmount { get; set; }