diff --git a/IRaCIS.Core.Application/Service/Common/MailService.cs b/IRaCIS.Core.Application/Service/Common/MailService.cs
index 588761284..139c39155 100644
--- a/IRaCIS.Core.Application/Service/Common/MailService.cs
+++ b/IRaCIS.Core.Application/Service/Common/MailService.cs
@@ -252,7 +252,7 @@ namespace IRaCIS.Application.Services
 
 
                 builder.HtmlBody = string.Format(ReplaceCompanyName(templateInfo),
-                    "",
+                    "Sir/Madam",
                 //---您正在进行邮箱重置密码操作
                    _localizer["Mail_ResettingPassword"],
                     verificationCode
@@ -320,7 +320,7 @@ namespace IRaCIS.Application.Services
 
 
                 builder.HtmlBody = string.Format(ReplaceCompanyName(templateInfo),
-                    "Sir or Madam",
+                    "Sir/Madam",
                 //---您正在参与展影医疗IRC项目
                    _localizer["Mail_IRCProject", _userInfo.IsEn_Us ? _systemEmailConfig.CompanyShortName : _systemEmailConfig.CompanyShortNameCN],
                     verificationCode
@@ -387,7 +387,7 @@ namespace IRaCIS.Application.Services
 
 
                 builder.HtmlBody = string.Format(ReplaceCompanyName(templateInfo),
-                    "Sir or Madam",
+                    "Sir/Madam",
                 //---您正在参与展影医疗IRC项目中心调研工作
                    _localizer["Mail_CenterResearchReminder", _userInfo.IsEn_Us ? _systemEmailConfig.CompanyShortName : _systemEmailConfig.CompanyShortNameCN],
                     verificationCode