diff --git a/IRaCIS.Core.Application/Service/Common/MailService.cs b/IRaCIS.Core.Application/Service/Common/MailService.cs
index 7850b7e38..190d0446a 100644
--- a/IRaCIS.Core.Application/Service/Common/MailService.cs
+++ b/IRaCIS.Core.Application/Service/Common/MailService.cs
@@ -256,7 +256,7 @@ namespace IRaCIS.Application.Services
 
                 var htmlBodyStr = string.Format(ReplaceCompanyName(input.htmlBodyStr),
 
-                       "",
+                       "Sir/Madam",
                 //---您正在进行邮箱重置密码操作
                    _localizer["Mail_ResettingPassword"],
                     verificationCode
@@ -300,7 +300,7 @@ namespace IRaCIS.Application.Services
 
                 var htmlBodyStr = string.Format(ReplaceCompanyName(input.htmlBodyStr),
 
-                   "Sir or Madam",
+                   "Sir/Madam",
                 //---您正在参与展影医疗IRC项目
                    _localizer["Mail_IRCProject", companyName],
                     verificationCode
@@ -342,7 +342,7 @@ namespace IRaCIS.Application.Services
 
                 var htmlBodyStr = string.Format(ReplaceCompanyName(input.htmlBodyStr),
 
-                    "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", companyName],
                     verificationCode