修复竞赛处不能留言问题

app/models/mailer.rb

@@ -75,7 +75,12 @@ class Mailer < ActionMailer::Base
         return -1
       end
         mail :to => journals_for_message.jour.author.mail, :subject => @title
-      else
+    elsif journals_for_message.jour.class.to_s.to_sym == :Contest
+      if !journals_for_message.jour.author.notify_about? journals_for_message
+        return -1
+      end
+      mail :to => journals_for_message.jour.author.mail, :subject => @title
+    else
       mail :to => @mail.mail, :subject => @title
     end