课程留言回复，回复内容和时间在同一行

app/views/courses/_history.html.erb

@@ -18,6 +18,7 @@
                   <p>
                     <%= journal.notes.html_safe %>
                   </p>
+                  <div class="cl"></div>
                 </div>
                 <div class="ping_disfoot">
                   <% ids = 'project_respond_form_'+ journal.id.to_s%>

app/views/words/_journal_reply_items.html.erb

@@ -24,6 +24,7 @@
         <p>
           <%= reply.notes.html_safe %>
         </p>
+        <div class="cl"></div>
             <span class="c_grey fl">
               <%= format_time reply.created_on %>
             </span>