diff --git a/IRaCIS.Core.Application/Service/Common/MailService.cs b/IRaCIS.Core.Application/Service/Common/MailService.cs
index 900e308af..2e64e5721 100644
--- a/IRaCIS.Core.Application/Service/Common/MailService.cs
+++ b/IRaCIS.Core.Application/Service/Common/MailService.cs
@@ -251,7 +251,7 @@ namespace IRaCIS.Core.Application.Service
 
             //设置工作语言
             var isEn_US = _userInfo.IsEn_Us;
-            var workLanguage = _userInfo.IsEn_Us ? UserWorkLanguage.US : UserWorkLanguage.CN;
+            var workLanguage = isEn_US ? UserWorkLanguage.US : UserWorkLanguage.CN;
 
 
             var messageToSend = new MimeMessage();
@@ -298,7 +298,7 @@ namespace IRaCIS.Core.Application.Service
 
             //设置工作语言
             var isEn_US = _userInfo.IsEn_Us;
-            var workLanguage = _userInfo.IsEn_Us ? UserWorkLanguage.US : UserWorkLanguage.CN;
+            var workLanguage = isEn_US ? UserWorkLanguage.US : UserWorkLanguage.CN;
 
             var trialInfo = await _trialRepository.FirstOrDefaultAsync(t => t.Id == trialId);
 
@@ -363,7 +363,7 @@ namespace IRaCIS.Core.Application.Service
 
             await _identityUserRepository.BatchUpdateNoTrackingAsync(t => t.Id == sysUserInfo.Id, u => new IdentityUser() { EmailToken = token });
 
-            routeUrl = routeUrl + "?UserId=" + sysUserInfo.Id + "&Email=" + sysUserInfo.EMail + "&UserName=" + sysUserInfo.UserName + "&lang=" + (_userInfo.IsEn_Us ? "en" : "zh") + "&access_token=" + token;
+            routeUrl = routeUrl + "?UserId=" + sysUserInfo.Id + "&Email=" + sysUserInfo.EMail + "&UserName=" + sysUserInfo.UserName + "&lang=" + (isEn_US ? "en" : "zh") + "&access_token=" + token;
 
             var domain = baseUrl.Substring(0, baseUrl.IndexOf("/login"));
 
@@ -485,7 +485,7 @@ namespace IRaCIS.Core.Application.Service
 
             //设置工作语言
             var isEn_US = _userInfo.IsEn_Us;
-            var workLanguage = _userInfo.IsEn_Us ? UserWorkLanguage.US : UserWorkLanguage.CN;
+            var workLanguage = isEn_US ? UserWorkLanguage.US : UserWorkLanguage.CN;
 
             var messageToSend = new MimeMessage();
             //发件地址
@@ -746,7 +746,7 @@ namespace IRaCIS.Core.Application.Service
                 await _identityUserRepository.BatchUpdateNoTrackingAsync(t => t.Id == sysUserInfo.Id, u => new Domain.Models.IdentityUser() { EmailToken = token });
             }
 
-            var routeUrl = rootUrl + "?UserId=" + sysUserInfo.Id + "&Email=" + sysUserInfo.EMail + "&lang=" + (_userInfo.IsEn_Us ? "en" : "zh") + "&access_token=" + token;
+            var routeUrl = rootUrl + "?UserId=" + sysUserInfo.Id + "&Email=" + sysUserInfo.EMail + "&lang=" + (isEn_US ? "en" : "zh") + "&access_token=" + token;
 
             var domain = baseUrl.Substring(0, baseUrl.IndexOf("/login"));
 
@@ -834,7 +834,7 @@ namespace IRaCIS.Core.Application.Service
             if (feedBack.VisitTaskId != null)
             {
 
-                var emailType = await _dictionaryRepository.Where(t => t.Parent.Code == "FeedBackTypeToIR" && t.ParentId != null && t.Code == ((int)feedBack.QuestionType).ToString()).Select(t => _userInfo.IsEn_Us ? t.Value : t.ValueCN).FirstOrDefaultAsync();
+                var emailType = await _dictionaryRepository.Where(t => t.Parent.Code == "FeedBackTypeToIR" && t.ParentId != null && t.Code == ((int)feedBack.QuestionType).ToString()).Select(t => isEn_US ? t.Value : t.ValueCN).FirstOrDefaultAsync();
 
 
                 var info = await _visitTaskRepository.Where(t => t.Id == feedBack.VisitTaskId).Select(t => new { t.Trial.ResearchProgramNo, t.Trial.TrialCode, SubejctCode = t.Subject.Code, t.SourceSubjectVisit.VisitName }).FirstNotNullAsync();
@@ -864,7 +864,7 @@ namespace IRaCIS.Core.Application.Service
             }
             else if (feedBack.SubjectVisitId != null)
             {
-                var emailType = await _dictionaryRepository.Where(t => t.Parent.Code == "Email_BusinessScenario" && t.ParentId != null && t.Code == ((int)EmailBusinessScenario.TrialSubjectVisitFeedBack).ToString()).Select(t => _userInfo.IsEn_Us ? t.Value : t.ValueCN).FirstOrDefaultAsync();
+                var emailType = await _dictionaryRepository.Where(t => t.Parent.Code == "Email_BusinessScenario" && t.ParentId != null && t.Code == ((int)EmailBusinessScenario.TrialSubjectVisitFeedBack).ToString()).Select(t => isEn_US ? t.Value : t.ValueCN).FirstOrDefaultAsync();
 
 
                 var info = await _subjectVisitRepository.Where(t => t.Id == feedBack.SubjectVisitId).Select(t => new { t.Trial.ResearchProgramNo, t.Trial.TrialCode, SubejctCode = t.Subject.Code, t.VisitName }).FirstNotNullAsync();
@@ -895,7 +895,7 @@ namespace IRaCIS.Core.Application.Service
             else if (feedBack.TrialId != null)
             {
 
-                var emailType = await _dictionaryRepository.Where(t => t.Parent.Code == "Email_BusinessScenario" && t.ParentId != null && t.Code == ((int)EmailBusinessScenario.TrialFeedBack).ToString()).Select(t => _userInfo.IsEn_Us ? t.Value : t.ValueCN).FirstOrDefaultAsync();
+                var emailType = await _dictionaryRepository.Where(t => t.Parent.Code == "Email_BusinessScenario" && t.ParentId != null && t.Code == ((int)EmailBusinessScenario.TrialFeedBack).ToString()).Select(t => isEn_US ? t.Value : t.ValueCN).FirstOrDefaultAsync();
 
 
                 var info = await _trialRepository.Where(t => t.Id == feedBack.TrialId).Select(t => new { t.ResearchProgramNo, t.TrialCode }).FirstNotNullAsync();
@@ -1003,7 +1003,7 @@ namespace IRaCIS.Core.Application.Service
 
             //设置工作语言
             var isEn_US = _userInfo.IsEn_Us;
-            var workLanguage = _userInfo.IsEn_Us ? UserWorkLanguage.US : UserWorkLanguage.CN;
+            var workLanguage = isEn_US ? UserWorkLanguage.US : UserWorkLanguage.CN;
 
             var messageToSend = new MimeMessage();
             //发件地址
@@ -1013,7 +1013,7 @@ namespace IRaCIS.Core.Application.Service
             //主题
             //---[来自展影IRC] 关于重置邮箱的提醒
 
-            var companyName = _userInfo.IsEn_Us ? _systemEmailConfig.CompanyShortName : _systemEmailConfig.CompanyShortNameCN;
+            var companyName = isEn_US ? _systemEmailConfig.CompanyShortName : _systemEmailConfig.CompanyShortNameCN;
 
             Func<(string topicStr, string htmlBodyStr), (string topicStr, string htmlBodyStr)> emailConfigFunc = input =>
             {
@@ -1043,7 +1043,7 @@ namespace IRaCIS.Core.Application.Service
 
             //设置工作语言
             var isEn_US = _userInfo.IsEn_Us;
-            var workLanguage = _userInfo.IsEn_Us ? UserWorkLanguage.US : UserWorkLanguage.CN;
+            var workLanguage = isEn_US ? UserWorkLanguage.US : UserWorkLanguage.CN;
 
             var messageToSend = new MimeMessage();
             //发件地址
@@ -1053,7 +1053,7 @@ namespace IRaCIS.Core.Application.Service
             //主题
             //---[来自展影IRC] 关于重置邮箱的提醒
 
-            var companyName = _userInfo.IsEn_Us ? _systemEmailConfig.CompanyShortName : _systemEmailConfig.CompanyShortNameCN;
+            var companyName = isEn_US ? _systemEmailConfig.CompanyShortName : _systemEmailConfig.CompanyShortNameCN;
 
             Func<(string topicStr, string htmlBodyStr), (string topicStr, string htmlBodyStr)> emailConfigFunc = input =>
             {