diff --git a/Learun.Framework.Ultimate V7/Learun.Framework.Module/Learun.Application.Module/Learun.Application.TwoDevelopment/PersonnelManagement/MeetingSignInRecord/MeetingSignInRecordService.cs b/Learun.Framework.Ultimate V7/Learun.Framework.Module/Learun.Application.Module/Learun.Application.TwoDevelopment/PersonnelManagement/MeetingSignInRecord/MeetingSignInRecordService.cs
index c591eebf1..4252362ac 100644
--- a/Learun.Framework.Ultimate V7/Learun.Framework.Module/Learun.Application.Module/Learun.Application.TwoDevelopment/PersonnelManagement/MeetingSignInRecord/MeetingSignInRecordService.cs	
+++ b/Learun.Framework.Ultimate V7/Learun.Framework.Module/Learun.Application.Module/Learun.Application.TwoDevelopment/PersonnelManagement/MeetingSignInRecord/MeetingSignInRecordService.cs	
@@ -224,14 +224,18 @@ namespace Learun.Application.TwoDevelopment.PersonnelManagement
                 var meetEntity = this.BaseRepository("CollegeMIS")
                     .FindEntity<MeetingSignInRecordEntity>(a =>
                         a.MeetID == scanParamMeetid && a.ParticipantID == scanParamUserid);
-                if (meetEntity != null)
+                var date = DateTime.Now;
+                var meetEntityList = this.BaseRepository("CollegeMIS")
+                    .FindEntity<MeetingManagementEntity>(x => x.Id == scanParamMeetid);
+                var beginTime = meetEntityList.BeginTime;
+                if (meetEntityList != null && beginTime > date)
                 {
                     meetEntity.IsSignIn = true;
                     meetEntity.SignInTime = DateTime.Now;
                     this.BaseRepository("CollegeMIS").Update(meetEntity);
                     result = true;
-
                 }
+
                 return result;
 
             }