small fix

2017-07-05 11:53:39 +08:00 · 2017-07-05 11:53:39 +08:00 · c5c92d67f0
parent db464d16f3
commit c5c92d67f0
1 changed files with 2 additions and 2 deletions
--- a/app/views/admin/hps_learnings/show.html.erb
+++ b/app/views/admin/hps_learnings/show.html.erb
@ -9,10 +9,10 @@
  <tbody>
  	<% @hpsclass.hps_lectures.each do |lecture| %>
  		 <tr>
-        <% if !lecture.lecture_pic.url.empty? %>
+        <% if !lecture.lecture_pic.nil? && !lecture.lecture_pic.url.empty? %>
          <td><img width="150px" src="<%= lecture.lecture_pic.thumb.url %>" /></td>
        <% else %>
-          <td>&nbsp;</td>
+          <td><img src="http://www.placehold.it/150x150/EFEFEF/AAAAAA" width="150px"></td>
        <% end %>
        <td>
          <%= lecture.subject %>