diff --git a/IRaCIS.Core.API/appsettings.Test_Study.json b/IRaCIS.Core.API/appsettings.Test_Study.json
index 4b1235e63..765da7cfe 100644
--- a/IRaCIS.Core.API/appsettings.Test_Study.json
+++ b/IRaCIS.Core.API/appsettings.Test_Study.json
@@ -65,7 +65,7 @@
     "FromName": "Test_Study",
     "AuthorizationCode": "zhanying123",
 
-    "SiteUrl": "http://test.study.extimaging.com/login"
+    "SiteUrl": "http://study.test.extimaging.com/login"
   }
 
 }
diff --git a/IRaCIS.Core.API/appsettings.Uat_Study.json b/IRaCIS.Core.API/appsettings.Uat_Study.json
index 9082cb8c9..4a9458ecf 100644
--- a/IRaCIS.Core.API/appsettings.Uat_Study.json
+++ b/IRaCIS.Core.API/appsettings.Uat_Study.json
@@ -53,7 +53,7 @@
     "FromEmail": "uat-study@extimaging.com",
     "FromName": "Uat_Study",
     "AuthorizationCode": "zhanying123",
-    "SiteUrl": "http://uat.study.extimaging.com/login"
+    "SiteUrl": "http://study.uat.extimaging.com/login"
   }
 
 }
diff --git a/IRaCIS.Core.API/wwwroot/EmailTemplate/AdminAddUser.html b/IRaCIS.Core.API/wwwroot/EmailTemplate/AdminAddUser.html
index ba530acb4..728dde6fc 100644
--- a/IRaCIS.Core.API/wwwroot/EmailTemplate/AdminAddUser.html
+++ b/IRaCIS.Core.API/wwwroot/EmailTemplate/AdminAddUser.html
@@ -31,7 +31,7 @@
 
 
             <div style='line-height: 24px;font-size: 14px;color:#333;margin-top: 20px;padding-bottom: 40px;'>
-                <div>祝您顺利！/Best Regards</div>
+                <div>祝您顺利！</div>
                 <div style="font-size: 14px;">展影医疗</div>
             </div>
         </div>
diff --git a/IRaCIS.Core.API/wwwroot/EmailTemplate/AdminResetUser.html b/IRaCIS.Core.API/wwwroot/EmailTemplate/AdminResetUser.html
index ad1130293..045b2320f 100644
--- a/IRaCIS.Core.API/wwwroot/EmailTemplate/AdminResetUser.html
+++ b/IRaCIS.Core.API/wwwroot/EmailTemplate/AdminResetUser.html
@@ -28,7 +28,7 @@
 
 
             <div style='line-height: 24px;font-size: 14px;color:#333;margin-top: 20px;padding-bottom: 40px;'>
-                <div>祝您顺利！/Best Regards</div>
+                <div>祝您顺利！</div>
                 <div style="font-size: 14px;">展影医疗</div>
             </div>
         </div>
diff --git a/IRaCIS.Core.API/wwwroot/EmailTemplate/SubjectEnrollConfirmOrPDProgress.html b/IRaCIS.Core.API/wwwroot/EmailTemplate/SubjectEnrollConfirmOrPDProgress.html
index 368b1884c..7ba12b97a 100644
--- a/IRaCIS.Core.API/wwwroot/EmailTemplate/SubjectEnrollConfirmOrPDProgress.html
+++ b/IRaCIS.Core.API/wwwroot/EmailTemplate/SubjectEnrollConfirmOrPDProgress.html
@@ -18,7 +18,7 @@
             </div>
 
             <div style='line-height: 24px;font-size: 14px;color:#333;margin-top: 20px;padding-bottom: 40px;'>
-                <div>祝您顺利！/Best Regards</div>
+                <div>祝您顺利！</div>
                 <div style="font-size: 14px;">展影医疗</div>
             </div>
         </div>
diff --git a/IRaCIS.Core.API/wwwroot/EmailTemplate/SubjectEnrollConfirmOrPDProgress_US.html b/IRaCIS.Core.API/wwwroot/EmailTemplate/SubjectEnrollConfirmOrPDProgress_US.html
index 4607c5af2..52fd9841e 100644
--- a/IRaCIS.Core.API/wwwroot/EmailTemplate/SubjectEnrollConfirmOrPDProgress_US.html
+++ b/IRaCIS.Core.API/wwwroot/EmailTemplate/SubjectEnrollConfirmOrPDProgress_US.html
@@ -14,7 +14,7 @@
                 Thank you for using our IRC imaging system.
             </div>
             <div style='line-height: 40px;padding-left: 40px;margin-bottom: 10px;font-size: 16px'>
-                {0}。
+                {0}.
             </div>
 
             <div style='line-height: 24px;font-size: 16px;color:#333;margin-top: 20px;padding-bottom: 40px;'>
diff --git a/IRaCIS.Core.API/wwwroot/EmailTemplate/TrialDoctorExistJoin.html b/IRaCIS.Core.API/wwwroot/EmailTemplate/TrialDoctorExistJoin.html
index 4152662c4..46ea36656 100644
--- a/IRaCIS.Core.API/wwwroot/EmailTemplate/TrialDoctorExistJoin.html
+++ b/IRaCIS.Core.API/wwwroot/EmailTemplate/TrialDoctorExistJoin.html
@@ -42,7 +42,7 @@
             </div>
 
             <div style='line-height: 24px;font-size: 14px;color:#333;margin-top: 20px;padding-bottom: 40px;'>
-                <div>祝您顺利！/Best Regards</div>
+                <div>祝您顺利！</div>
                 <div style="font-size: 14px;">展影医疗</div>
             </div>
         </div>
diff --git a/IRaCIS.Core.API/wwwroot/EmailTemplate/TrialDoctorFirstJoin.html b/IRaCIS.Core.API/wwwroot/EmailTemplate/TrialDoctorFirstJoin.html
index 9f7422603..159216984 100644
--- a/IRaCIS.Core.API/wwwroot/EmailTemplate/TrialDoctorFirstJoin.html
+++ b/IRaCIS.Core.API/wwwroot/EmailTemplate/TrialDoctorFirstJoin.html
@@ -43,7 +43,7 @@
 
 
             <div style='line-height: 24px;font-size: 14px;color:#333;margin-top: 20px;padding-bottom: 40px;'>
-                <div>祝您顺利！/Best Regards</div>
+                <div>祝您顺利！</div>
                 <div style="font-size: 14px;">展影医疗</div>
             </div>
         </div>
diff --git a/IRaCIS.Core.API/wwwroot/EmailTemplate/TrialSiteSurveyReject.html b/IRaCIS.Core.API/wwwroot/EmailTemplate/TrialSiteSurveyReject.html
index a2b8f771c..3c182eddc 100644
--- a/IRaCIS.Core.API/wwwroot/EmailTemplate/TrialSiteSurveyReject.html
+++ b/IRaCIS.Core.API/wwwroot/EmailTemplate/TrialSiteSurveyReject.html
@@ -40,7 +40,7 @@
             </a>
 
             <div style='line-height: 24px;font-size: 14px;color:#333;margin-top: 20px;padding-bottom: 40px;'>
-                <div>祝您顺利！/Best Regards</div>
+                <div>祝您顺利！</div>
                 <div style="font-size: 14px;">展影医疗</div>
             </div>
         </div>
diff --git a/IRaCIS.Core.API/wwwroot/EmailTemplate/TrialSiteSurveyReject_US.html b/IRaCIS.Core.API/wwwroot/EmailTemplate/TrialSiteSurveyReject_US.html
index caa38e3b7..e1a3b132e 100644
--- a/IRaCIS.Core.API/wwwroot/EmailTemplate/TrialSiteSurveyReject_US.html
+++ b/IRaCIS.Core.API/wwwroot/EmailTemplate/TrialSiteSurveyReject_US.html
@@ -8,7 +8,7 @@
     <div style='padding-left: 40px;background: #f6f6f6;font-size: 16px'>
         <div style='padding-top: 20px;font-size: 16px'>
             <div style='line-height: 40px;font-size: 16px'>
-                Dear  {0} ,
+                Dear {0} ,
             </div>
             <div style='line-height: 40px;padding-left: 40px;margin-bottom: 10px;font-size: 16px'>
                 The site survey questionnaire you filled in has been rejected. Details are as follows:
diff --git a/IRaCIS.Core.API/wwwroot/EmailTemplate/TrialUserExistJoin.html b/IRaCIS.Core.API/wwwroot/EmailTemplate/TrialUserExistJoin.html
index 3b91510ab..8a0ae7fe1 100644
--- a/IRaCIS.Core.API/wwwroot/EmailTemplate/TrialUserExistJoin.html
+++ b/IRaCIS.Core.API/wwwroot/EmailTemplate/TrialUserExistJoin.html
@@ -43,7 +43,7 @@
 
 
             <div style='line-height: 24px;font-size: 14px;color:#333;margin-top: 20px;padding-bottom: 40px;'>
-                <div>祝您顺利！/Best Regards</div>
+                <div>祝您顺利！</div>
                 <div style="font-size: 14px;">展影医疗</div>
             </div>
         </div>
diff --git a/IRaCIS.Core.API/wwwroot/EmailTemplate/TrialUserFirstJoin.html b/IRaCIS.Core.API/wwwroot/EmailTemplate/TrialUserFirstJoin.html
index 958d8fe83..32b64456d 100644
--- a/IRaCIS.Core.API/wwwroot/EmailTemplate/TrialUserFirstJoin.html
+++ b/IRaCIS.Core.API/wwwroot/EmailTemplate/TrialUserFirstJoin.html
@@ -43,7 +43,7 @@
 
 
             <div style='line-height: 24px;font-size: 14px;color:#333;margin-top: 20px;padding-bottom: 40px;'>
-                <div>祝您顺利！/Best Regards</div>
+                <div>祝您顺利！</div>
                 <div style="font-size: 14px;">展影医疗</div>
             </div>
         </div>
diff --git a/IRaCIS.Core.API/wwwroot/EmailTemplate/UserOptCommon.html b/IRaCIS.Core.API/wwwroot/EmailTemplate/UserOptCommon.html
index d6bfd963e..d99e1d76d 100644
--- a/IRaCIS.Core.API/wwwroot/EmailTemplate/UserOptCommon.html
+++ b/IRaCIS.Core.API/wwwroot/EmailTemplate/UserOptCommon.html
@@ -18,7 +18,7 @@
             </div>
 
             <div style='line-height: 24px;font-size: 14px;color:#333;margin-top: 20px;padding-bottom: 40px;'>
-                <div>祝您顺利！/Best Regards</div>
+                <div>祝您顺利！</div>
                 <div style="font-size: 14px;">展影医疗</div>
             </div>
         </div>
diff --git a/IRaCIS.Core.Application/Service/Inspection/DTO/InspectionModel.cs b/IRaCIS.Core.Application/Service/Inspection/DTO/InspectionModel.cs
index dfd96079c..412f1026d 100644
--- a/IRaCIS.Core.Application/Service/Inspection/DTO/InspectionModel.cs
+++ b/IRaCIS.Core.Application/Service/Inspection/DTO/InspectionModel.cs
@@ -298,7 +298,7 @@ namespace IRaCIS.Core.Application.Service.Inspection.DTO
         public T Data { get; set; }
 
        
-        public SignDTO SignInfo { get; set; }
+        public SignDTO? SignInfo { get; set; }
 
       
     }