diff --git a/Utils/TencentSMS.cs b/Utils/TencentSMS.cs
index 06076ea..5141908 100644
--- a/Utils/TencentSMS.cs
+++ b/Utils/TencentSMS.cs
@@ -137,7 +137,7 @@ namespace _2021_backend.Utils
                         sms.Type = SMSType.TimeSet;
                         var q = from e in Context.Sessions where e.Guid == index select e;
                         var time = await q.FirstOrDefaultAsync();
-                        req.TemplateParamSet = new string[] { stu.Name, time.Day.ToString("dd") ,time.BeginTime.ToString("HH"),time.BeginTime.ToString("mm"), time.BeginTime.AddHours(2).ToString("HH") ,time.BeginTime.ToString("mm")};
+                        req.TemplateParamSet = new string[] { stu.Name, time.Day.ToString("dd") ,time.BeginTime.ToString("HH"),time.BeginTime.ToString("mm"), time.BeginTime.AddHours(1).ToString("HH") ,time.BeginTime.AddMinutes(30).ToString("mm")};
                         req.TemplateId = SMSID_timeSet;
                         break;
                     case SMSType.Signed: