diff --git a/IRaCIS.Core.Application/Service/SiteSurvey/TrialSiteSurveyService.cs b/IRaCIS.Core.Application/Service/SiteSurvey/TrialSiteSurveyService.cs
index edcceccc..8223b941 100644
--- a/IRaCIS.Core.Application/Service/SiteSurvey/TrialSiteSurveyService.cs
+++ b/IRaCIS.Core.Application/Service/SiteSurvey/TrialSiteSurveyService.cs
@@ -884,7 +884,7 @@ namespace IRaCIS.Core.Application.Contracts
                     smtp.MessageSent += (sender, args) =>
                     {
 
-                        _ = _trialSiteUserSurveyRepository.BatchUpdateNoTrackingAsync(t => t.Id == item.Id, u => new TrialSiteUserSurvey() { IsGenerateSuccess = true, InviteState = TrialSiteUserStateEnum.HasSend, IsJoin = null, ConfirmTime = null, RejectReason = String.Empty, SystemUserId = sysUserInfo.Id, ExpireTime = DateTime.Now.AddDays(7) }).Result;
+                        _ = _trialSiteUserSurveyRepository.BatchUpdateNoTrackingAsync(t => t.Id == item.Id, u => new TrialSiteUserSurvey() { IsGenerateSuccess = true, InviteState = TrialSiteUserStateEnum.HasSend,  ConfirmTime = null, RejectReason = String.Empty, SystemUserId = sysUserInfo.Id, ExpireTime = DateTime.Now.AddDays(7) }).Result;
 
                     };
 
diff --git a/IRaCIS.Core.Application/Service/TrialSiteUser/TrialExternalUserService.cs b/IRaCIS.Core.Application/Service/TrialSiteUser/TrialExternalUserService.cs
index d7f3aff8..a489b3c6 100644
--- a/IRaCIS.Core.Application/Service/TrialSiteUser/TrialExternalUserService.cs
+++ b/IRaCIS.Core.Application/Service/TrialSiteUser/TrialExternalUserService.cs
@@ -278,7 +278,7 @@ namespace IRaCIS.Core.Application.Service
                                           <a href='  {sendEmail.RouteUrl + "?Id=" + userInfo.Id + "&IsExternalUser=1"}' style='margin-left:60px;font-size:14px;text-decoration: none;display: inline-block;height: 40px;width: 140px;background: #00D1B2;color:#fff;border-radius: 5px;line-height: 40px;text-align: center;margin-bottom: 100px;'>
                                             查看并确认
                                           </a>   
-                                        </div>
+                                        </div>櫭
                                       </div>
                                     </body>";
 
@@ -295,7 +295,7 @@ namespace IRaCIS.Core.Application.Service
                     smtp.MessageSent += (sender, args) =>
                     {
 
-                        _ = _trialExternalUseRepository.BatchUpdateNoTrackingAsync(t => t.Id == userInfo.Id, u => new TrialExternalUser() { InviteState = TrialExternalUserStateEnum.HasSend, IsJoin = null, ConfirmTime = null, RejectReason = String.Empty, ExpireTime = DateTime.Now.AddDays(7) }).Result;
+                        _ = _trialExternalUseRepository.BatchUpdateNoTrackingAsync(t => t.Id == userInfo.Id, u => new TrialExternalUser() { InviteState = TrialExternalUserStateEnum.HasSend, ConfirmTime = null, RejectReason = String.Empty, ExpireTime = DateTime.Now.AddDays(7) }).Result;
 
                     };
 
diff --git a/IRaCIS.Core.Domain/SiteSurvey/TrialSiteUserSurvey.cs b/IRaCIS.Core.Domain/SiteSurvey/TrialSiteUserSurvey.cs
index bef43ad7..64cdd9ef 100644
--- a/IRaCIS.Core.Domain/SiteSurvey/TrialSiteUserSurvey.cs
+++ b/IRaCIS.Core.Domain/SiteSurvey/TrialSiteUserSurvey.cs
@@ -89,7 +89,7 @@ namespace IRaCIS.Core.Domain.Models
 
         public DateTime? ExpireTime { get; set; }
 
-        public bool? IsJoin { get; set; }
+        public bool IsJoin { get; set; }
 
         public DateTime? ConfirmTime { get; set; }
 
diff --git a/IRaCIS.Core.Domain/TrialSiteUser/TrialExternalUser.cs b/IRaCIS.Core.Domain/TrialSiteUser/TrialExternalUser.cs
index 45074839..ec013503 100644
--- a/IRaCIS.Core.Domain/TrialSiteUser/TrialExternalUser.cs
+++ b/IRaCIS.Core.Domain/TrialSiteUser/TrialExternalUser.cs
@@ -94,7 +94,7 @@ namespace IRaCIS.Core.Domain.Models
 
 
 
-		public bool? IsJoin { get; set; }
+		public bool IsJoin { get; set; }