diff --git a/BBWYB.Server.Business/TimeLimitTask/TimeLimitRules.cs b/BBWYB.Server.Business/TimeLimitTask/TimeLimitRules.cs
index 7ca33c2..cb96d12 100644
--- a/BBWYB.Server.Business/TimeLimitTask/TimeLimitRules.cs
+++ b/BBWYB.Server.Business/TimeLimitTask/TimeLimitRules.cs
@@ -232,9 +232,9 @@ namespace BBWYB.Server.Business
             //强制过期时间在工作时间点内
             if (expirationTime.Hour < 9)
                 expirationTime = expirationTime.Date.AddHours(9);
-            else if (expirationTime.Hour >= 12 && expirationTime.Hour < 13)
+            else if (expirationTime.Hour >= 12 && expirationTime.Minute > 0 && expirationTime.Hour < 13)  //排除整点结束的到期时间
                 expirationTime = expirationTime.Date.AddHours(12);
-            else if (expirationTime.Hour >= 18 && expirationTime.Minute > 0)
+            else if (expirationTime.Hour >= 18 && expirationTime.Minute > 0)  //排除整点结束的到期时间
                 expirationTime = expirationTime.Date.AddDays(CalculateAddDay(expirationTime.DayOfWeek)).AddHours(9);
 
             var startTime = DateTime.Now;
@@ -252,7 +252,7 @@ namespace BBWYB.Server.Business
                         startTime = startTime.Date.AddHours(9);
                     else if (startTime.Hour >= 12 && startTime.Hour < 13)
                         startTime = startTime.Date.AddHours(13);
-                    else if (startTime.Hour >= 18 && startTime.Minute > 1)
+                    else if (startTime.Hour >= 18 && startTime.Minute > 0)
                         startTime = startTime.Date.AddDays(CalculateAddDay(startTime.DayOfWeek)).AddHours(9);
                 }