修整

app/services/games_service.rb

@@ -388,7 +388,7 @@ class GamesService
       if content != last_content && code_file.blank?
         raise("update file failed")
       else
-        return {:success => "success", :resubmit => resubmit ,:content_modified => content_modified, sec_key: record.identifier}
+        return {:success => "success", :resubmit => resubmit ,:content_modified => content_modified, sec_key: record.try(:identifier)}
       end
     end
   rescue Exception => e