修改留言的父级留言删除后，页面报错的BUG

app/views/words/_journal_reply_items.html.erb

@@ -1,3 +1,5 @@
+<% parent_jour = JournalsForMessage.where("id = #{reply.m_reply_id}").first %>
+<% if parent_jour%>
     <% reply_allow = JournalsForMessage.create_by_user? User.current %>
     <% ids_r = 'reply_respond_form_'+ reply.id.to_s %>
     <div class="recall" id='word_li_<%=reply.id.to_s%>' onmouseover="$('#<%= ids_r %>').show()" onmouseout="$('#<%= ids_r %>').hide()">
@@ -12,8 +14,7 @@
         <% id = 'project_respond_form_'+ reply.id.to_s %>
         <%= link_to reply.user.name, user_path(reply.user) %>
         回复
-          <% parent_jour = JournalsForMessage.find reply.m_reply_id %>
-          <% if show_name && parent_jour %>
+        <% if show_name %>
             <%= link_to parent_jour.user.name, user_path(parent_jour.user) %>
         <% else %>
             <%= l(:label_anonymous) %>
@@ -47,3 +48,4 @@
       </div>
       <div style="clear: both;"></div>
     </div>
+<% end %>