diff --git a/Src/Dlhis.Basic/Dishes/Services/Implements/DishesMenuService.cs b/Src/Dlhis.Basic/Dishes/Services/Implements/DishesMenuService.cs
index ac48ebe3..c2c7cc95 100644
--- a/Src/Dlhis.Basic/Dishes/Services/Implements/DishesMenuService.cs
+++ b/Src/Dlhis.Basic/Dishes/Services/Implements/DishesMenuService.cs
@@ -186,6 +186,18 @@ public class DishesMenuService : IDishesMenuService
 
         await _dbContext.Client.Deleteable<DishesMenuEntity>().Where(where).ExecuteCommandAsync();
         await _dbContext.InsertAsync(entities);
+
+        if (request.Items.Any())
+        {
+            Expression<Func<DishesMenuEntity, bool>> whereCheck = LinqExpressionExtension.False<DishesMenuEntity>();
+            request.Items.ForEach(p =>
+            {
+                whereCheck = where.Or(x => !(x.EndDate < p.Period.Start || x.StartDate > p.Period.End));
+            });
+
+            var duplicate = await _dbContext.Queryable<DishesMenuEntity>().Where(whereCheck).AnyAsync();
+            duplicate.ThrowIfTrue("菜单时效冲突");
+        }
     }
 
     public async Task<DishesMenuDetailDto> GetBookingDishesDetailAsync(DateTime date, Guid businessPlaceCode, ShiftEnumType shiftType, string dishesCode)
diff --git a/Src/Dlhis.Canteen/Order/Services/Implements/BookingOrderService.cs b/Src/Dlhis.Canteen/Order/Services/Implements/BookingOrderService.cs
index 6eeb6479..462904de 100644
--- a/Src/Dlhis.Canteen/Order/Services/Implements/BookingOrderService.cs
+++ b/Src/Dlhis.Canteen/Order/Services/Implements/BookingOrderService.cs
@@ -14,7 +14,6 @@ using Dlhis.Basic.Api;
 using Kurisu.SqlSugar.Extensions;
 using SqlSugar;
 using Mapster;
-using MySqlX.XDevAPI.Relational;
 
 namespace Dlhis.Canteen.Order.Services.Implements;