diff --git a/app/models/mailer.rb b/app/models/mailer.rb
index a834ddb14..a7c8a02aa 100644
--- a/app/models/mailer.rb
+++ b/app/models/mailer.rb
@@ -72,13 +72,14 @@ class Mailer < ActionMailer::Base
   # 邀请已注册的用户加入项目
   def request_member_to_project(email, project, invitor)
     user = User.find_by_mail(email.to_s)
-      Member.create(:role_ids => [4], :user_id => user.id,:project_id => project.id)
-      @invitor_name = "#{invitor.name}"
-      @project_name = "#{project.name}"
-      @user = user
-      @token = Token.get_token_from_user(user, 'autologin')
-      @project_url = url_for(:controller => 'projects', :action => 'show', :id => project.id,:user => user, :token => @token.value)
-      mail :to => email, :invitor_name => "#{@invitor_name}", :project_name => "#{@project_name}"
+    @subject = "#{invitor.name} #{l(:label_invite_project)} #{project.name} "
+    Member.create(:role_ids => [4], :user_id => user.id,:project_id => project.id)
+    @invitor_name = "#{invitor.name}"
+    @project_name = "#{project.name}"
+    @user = user
+    @token = Token.get_token_from_user(user, 'autologin')
+    @project_url = url_for(:controller => 'projects', :action => 'show', :id => project.id,:user => user, :token => @token.value)
+    mail :to => email,:subject => @subject, :invitor_name => "#{@invitor_name}", :project_name => "#{@project_name}"
   end
 
   # author: alan