diff --git a/Src/Dlhis.Basic/WorkGrids/Request/WorkGridTimePeriodSaveRequest.cs b/Src/Dlhis.Basic/WorkGrids/Request/WorkGridTimePeriodSaveRequest.cs
index c2ccef6c..168f5899 100644
--- a/Src/Dlhis.Basic/WorkGrids/Request/WorkGridTimePeriodSaveRequest.cs
+++ b/Src/Dlhis.Basic/WorkGrids/Request/WorkGridTimePeriodSaveRequest.cs
@@ -43,13 +43,9 @@ public class WorkGridTimePeriodSaveRequest : IValidatableObject
             yield break;
         }
 
-        var today = DateTime.Today;
-        var start = today.Add(Start.AddMinutes(-Before).ToTimeSpan());
-        var end = today.Add(End.AddMinutes(After).ToTimeSpan());
-
-        if (start.Date != end.Date)
+        if (End.AddMinutes(After) < End)
         {
-            yield return new ValidationResult(WorkGridTimePeriodEnumType.Day.GetDescription() + "禁止跨天", new[] { nameof(Type) });
+            yield return new ValidationResult(WorkGridTimePeriodEnumType.Day.GetDescription() + "禁止跨天,请检查时间段配置", new[] { nameof(Type) });
         }
     }
 }
\ No newline at end of file