课程留言图片显示问题

app/views/courses/_history.html.erb

@@ -5,7 +5,7 @@
               <div class="ping_dispic">
                   <%= link_to image_tag(url_to_avatar(journal.user),:width => '46',:height => '46'), user_path(journal.user) %>
               </div>
-              <div class="ping_discon" style="width: 610px;">
+              <div class="ping_discon upload_img" style="width: 610px;">
                 <div class="ping_distop">
                   <!-- <a style=" font-weight:bold; color:#15bccf; margin-right:30px; background:none;" target="_blank" href="#">gugu01</a> -->
                   <span>
@@ -15,7 +15,7 @@
                     <%= format_time(journal.created_on) %>
                   </span>
                   <div class="cl"></div>
-                  <p class="upload_img">
+                  <p>
                     <%= journal.notes.html_safe %>
                   </p>
                 </div>