修复课程-课程作业：回复匿评相关问题 #1566

app/views/words/_journal_reply_items.html.erb

@@ -12,8 +12,9 @@
 		<% id = 'project_respond_form_'+ reply.id.to_s %>
           <%= link_to reply.user.name, user_path(reply.user) %>
           回复
-          <% if show_name %>
-            <%= link_to reply.at_user.name,user_path(reply.at_user) %>
+          <% parent_jour = JournalsForMessage.find reply.m_reply_id %>
+          <% if show_name && parent_jour %>
+            <%= link_to parent_jour.user.name,user_path(parent_jour.user) %>
           <% else %>
             <%= l(:label_anonymous) %>
           <% end %>