diff --git a/Src/Dlhis.Canteen/Order/TimePeriodExtensions.cs b/Src/Dlhis.Canteen/Order/TimePeriodExtensions.cs
index d80f892d..fbabc334 100644
--- a/Src/Dlhis.Canteen/Order/TimePeriodExtensions.cs
+++ b/Src/Dlhis.Canteen/Order/TimePeriodExtensions.cs
@@ -15,17 +15,20 @@ public static class TimePeriodExtensions
 
         if (period.IsCrossDay())
         {
-            //第二天
-            if (dateTime.Hour >= 0)
-            {
-                start = DateTime.Today.AddDays(-1).Add(period.Start.Value.ToTimeSpan());
-                end = DateTime.Today.Add(period.End.Value.ToTimeSpan());
-            }
-            else
+            var currentStart = DateTime.Today.Add(period.Start.Value.ToTimeSpan());
+            var endOfDay = DateTime.Today.AddHours(23).AddMinutes(59).AddSeconds(59);
+
+            if (dateTime >= currentStart && dateTime <= endOfDay)
             {
                 start = DateTime.Today.Add(period.Start.Value.ToTimeSpan());
                 end = DateTime.Today.AddDays(1).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());
+            }
         }
         else
         {