diff --git a/Src/Dlhis.Basic/Dishes/Request/DishesMenuNameDateSaveRequest.cs b/Src/Dlhis.Basic/Dishes/Request/DishesMenuNameDateSaveRequest.cs
index 7be1b655..e4518ecb 100644
--- a/Src/Dlhis.Basic/Dishes/Request/DishesMenuNameDateSaveRequest.cs
+++ b/Src/Dlhis.Basic/Dishes/Request/DishesMenuNameDateSaveRequest.cs
@@ -24,7 +24,7 @@ public class DishesMenuNameDateSaveRequest : IValidatableObject
 
     public IEnumerable<ValidationResult> Validate(ValidationContext validationContext)
     {
-        if (Period.Start < Period.End)
+        if (Period.Start > Period.End)
         {
             yield return new ValidationResult("时间范围有误", new[] { nameof(Period) });
         }