解决issue描述查看差别点击时间后异常

app/views/journals/diff.html.erb

@@ -1,5 +1,5 @@
 <h3><%=h @issue.tracker %> #<%= @issue.id %></h3>
-<p><%= authoring @journal.created_on, @journal.user, :label => :label_updated_time_by %></p>
+<p>由<%= @journal.user %> 更新于 <%= format_time @journal.created_on %></p>
 
 <div class="text-diff">
   <%= simple_format_without_paragraph @diff.to_html %>