issue邮件name问题

app/models/mailer.rb

@@ -384,7 +384,7 @@ class Mailer < ActionMailer::Base
     @author = issue.author.login
     @issue_name = issue.subject
     @issue_url = url_for(:controller  => 'issues', :action => 'show', :id => issue.id)
-    @subject = "#{l(:mail_issue)}#{issue.name} #{l(:mail_issue_due_date)} "
+    @subject = "#{l(:mail_issue)}#{issue.subject} #{l(:mail_issue_due_date)} "
     mail :to => recipients,
          :subject => @subject
   end