diff --git a/Src/Dlhis.Canteen/Order/TimePeriodExtensions.cs b/Src/Dlhis.Canteen/Order/TimePeriodExtensions.cs
index fbabc334..9c427baa 100644
--- a/Src/Dlhis.Canteen/Order/TimePeriodExtensions.cs
+++ b/Src/Dlhis.Canteen/Order/TimePeriodExtensions.cs
@@ -4,7 +4,7 @@ namespace Dlhis.Canteen.Order;
 
 
 /// <summary>
-/// 临时的扩展类 todo: 嵌入框架
+/// 临时的扩展类  todo: 嵌入框架
 /// </summary>
 public static class TimePeriodExtensions
 {
@@ -15,19 +15,16 @@ public static class TimePeriodExtensions
 
         if (period.IsCrossDay())
         {
-            var currentStart = DateTime.Today.Add(period.Start.Value.ToTimeSpan());
-            var endOfDay = DateTime.Today.AddHours(23).AddMinutes(59).AddSeconds(59);
-
-            if (dateTime >= currentStart && dateTime <= endOfDay)
+            //第二天
+            if (dateTime.Hour >= 0)
             {
-                start = DateTime.Today.Add(period.Start.Value.ToTimeSpan());
-                end = DateTime.Today.AddDays(1).Add(period.End.Value.ToTimeSpan());
+                start = DateTime.Today.AddDays(-1).Add(period.Start.Value.ToTimeSpan());
+                end = DateTime.Today.Add(period.End.Value.ToTimeSpan());
             }
             else
             {
-                //第二天
-                start = DateTime.Today.AddDays(-1).Add(period.Start.Value.ToTimeSpan());
-                end = DateTime.Today.Add(period.End.Value.ToTimeSpan());
+                start = DateTime.Today.Add(period.Start.Value.ToTimeSpan());
+                end = DateTime.Today.AddDays(1).Add(period.End.Value.ToTimeSpan());
             }
         }
         else