diff --git a/Src/Dlhis.Middle/Response/BalanceRecordDeviceResponse.cs b/Src/Dlhis.Middle/Response/BalanceRecordDeviceResponse.cs
index aa9e563a..e870e714 100644
--- a/Src/Dlhis.Middle/Response/BalanceRecordDeviceResponse.cs
+++ b/Src/Dlhis.Middle/Response/BalanceRecordDeviceResponse.cs
@@ -42,8 +42,7 @@ public class BalanceRecordDeviceResponse
     /// <summary>
     /// 所属成本日期
     /// </summary>
-    [JsonConverter(typeof(ToDateJsonConverter))]
-    public DateTime CostDate { get; set; }
+    public string CostDate { get; set; }
 
     /// <summary>
     /// 来源
diff --git a/Src/Dlhis.Middle/Services/Implements/BalanceService.cs b/Src/Dlhis.Middle/Services/Implements/BalanceService.cs
index 9f6acfa7..664dea7b 100644
--- a/Src/Dlhis.Middle/Services/Implements/BalanceService.cs
+++ b/Src/Dlhis.Middle/Services/Implements/BalanceService.cs
@@ -70,7 +70,7 @@ public class BalanceService : IBalanceService
             {
                 Id = record.Id,
                 Amount = SqlFunc.Abs(record.Amount),
-                CostDate = record.CostDate,
+                CostDate = record.CostDate.ToString("yyyy-MM-dd"),
                 DepartmentNo = record.DepartmentNo,
                 UserNo = record.UserNo,
                 UserCode = record.UserCode,