diff --git a/app/helpers/issues_helper.rb b/app/helpers/issues_helper.rb
index e4f9a7a81..aae150728 100644
--- a/app/helpers/issues_helper.rb
+++ b/app/helpers/issues_helper.rb
@@ -361,16 +361,15 @@ module IssuesHelper
       end
     end
 
-    # 之所以注释是因为该功能冗余了
     if detail.property == 'attr' && detail.prop_key == 'description'
       s = l(:text_journal_changed_no_detail, :label => label)
-      # unless no_html
-      #   diff_link = link_to l(:label_diff),
-      #     {:controller => 'journals', :action => 'diff', :id => detail.journal_id,
-      #      :detail_id => detail.id, :only_path => options[:only_path]},
-      #     :title => l(:label_view_diff)
-      #   s << " (#{ diff_link })"
-      # end
+      unless no_html
+        diff_link = link_to l(:label_diff),
+          {:controller => 'journals', :action => 'diff', :id => detail.journal_id,
+           :detail_id => detail.id, :only_path => options[:only_path]},
+          :title => l(:label_view_diff)
+        s << " (#{ diff_link })"
+      end
       s.html_safe
     elsif detail.value.present?
       case detail.property