课程留言格式调整

app/views/users/_course_journalsformessage.html.erb

@@ -4,7 +4,7 @@
       <%= link_to image_tag(url_to_avatar(activity.user), :width => "50", :height => "50"), user_path(activity.user_id), :alt => "用户头像" %>
     </div>
     <div class="homepagePostDes">
-      <div class="homepagePostTo break_word">
+      <div class="homepagePostTo break_word mt-4">
         <% if activity.try(:user).try(:realname) == ' ' %>
             <%= link_to activity.try(:user), user_path(activity.user_id), :class => "newsBlue mr15" %>
         <% else %>