diff --git a/app/views/blogs/_article.html.erb b/app/views/blogs/_article.html.erb
index edbce26d3..afeefd299 100644
--- a/app/views/blogs/_article.html.erb
+++ b/app/views/blogs/_article.html.erb
@@ -47,7 +47,7 @@
             </ul>
           </div>
       <%end%>
-      <div class="homepagePostTo  mt-4 fl">
+      <div class="homepagePostTo fl">
         <% if activity.try(:author).try(:realname) == ' ' %>
             <%= link_to activity.try(:author), user_path(activity.author_id,:host=>Setting.host_user), :class => "newsBlue mr15" %>
         <% else %>
@@ -161,7 +161,7 @@
                     <%= link_to image_tag(url_to_avatar(reply.author), :width => "33", :height => "33"), user_path(reply.author_id,:host=>Setting.host_user), :alt => "用户头像" %>
                   </div>
                   <div class="homepagePostReplyDes">
-                    <div class="homepagePostReplyPublisher mt-4">
+                    <div class="homepagePostReplyPublisher">
                       <% if reply.try(:author).try(:realname) == ' ' %>
                           <%= link_to reply.try(:author), user_path(reply.author_id,:host=>Setting.host_user), :class => "newsBlue mr10 f14" %>
                       <% else %>
diff --git a/app/views/files/_org_subfield_list.html.erb b/app/views/files/_org_subfield_list.html.erb
index ad3ce7a3e..66b68e895 100644
--- a/app/views/files/_org_subfield_list.html.erb
+++ b/app/views/files/_org_subfield_list.html.erb
@@ -8,7 +8,7 @@
             <%= link_to image_tag(url_to_avatar(file.author), :width => 50, :height => 50), user_path(file.author) %>
           </div>
           <div class="homepagePostDes">
-            <div class="homepagePostTitle break_word mt-4">
+            <div class="homepagePostTitle break_word">
               <%# 如果有历史版本则提供历史版本下载 %>
               <% if file.attachment_histories.count == 0 %>
                   <%= link_to file.is_public? ? truncate(file.filename, length: 45) : truncate(file.filename,length: 35, omission: '...'),
diff --git a/app/views/files/_project_list.html.erb b/app/views/files/_project_list.html.erb
index 2ee726d77..831dc0e68 100644
--- a/app/views/files/_project_list.html.erb
+++ b/app/views/files/_project_list.html.erb
@@ -7,7 +7,7 @@
               <%= link_to image_tag(url_to_avatar(file.author), :width => 50, :height => 50), user_path(file.author) %>
             </div>
             <div class="homepagePostDes">
-              <div class="homepagePostTitle break_word mt-4">
+              <div class="homepagePostTitle break_word">
                 <%# 如果有历史版本则提供历史版本下载 %>
                 <% if file.attachment_histories.count == 0 %>
                     <%= link_to truncate(file.filename,length: 35, omission: '...'),
diff --git a/app/views/files/_resource_detail.html.erb b/app/views/files/_resource_detail.html.erb
index 20ffb1e50..2a03723ca 100644
--- a/app/views/files/_resource_detail.html.erb
+++ b/app/views/files/_resource_detail.html.erb
@@ -5,7 +5,7 @@
       <%= link_to image_tag(url_to_avatar(file.author), :width => 50, :height => 50), user_path(file.author) %>
     </div>
     <div class="homepagePostDes">
-      <div class="homepagePostTitle break_word mt-4">
+      <div class="homepagePostTitle break_word">
         <%# 如果有历史版本则提供历史版本下载 %>
         <% if file.attachment_histories.count == 0 %>
             <%= link_to truncate(file.filename,length: 35, omission: '...'),
diff --git a/app/views/issues/_issue_replies.html.erb b/app/views/issues/_issue_replies.html.erb
index 4c8dfa1d9..aaf9c132f 100644
--- a/app/views/issues/_issue_replies.html.erb
+++ b/app/views/issues/_issue_replies.html.erb
@@ -11,7 +11,7 @@
           <%= link_to image_tag(url_to_avatar(reply.user), :width => "33", :height => "33"), user_path(reply.user_id), :alt => "用户头像" %>
         </div>
         <div class="homepagePostReplyDes">
-          <div class="homepagePostReplyPublisher mt-4">
+          <div class="homepagePostReplyPublisher">
             <% if reply.try(:user).try(:realname) == ' ' %>
                 <%= link_to reply.try(:user), user_path(reply.user_id), :class => "newsBlue mr10 f14" %>
             <% else %>
diff --git a/app/views/memos/show.html.erb b/app/views/memos/show.html.erb
index 83b90dc93..aeaf3f423 100644
--- a/app/views/memos/show.html.erb
+++ b/app/views/memos/show.html.erb
@@ -94,7 +94,7 @@
           <%= link_to image_tag(url_to_avatar(reply.author), :width => 33,:height => 33), user_path(reply.author) %>
       </div>
       <div class="homepagePostReplyDes">
-        <div class="homepagePostReplyPublisher mt-4"><a href="<%=user_path(reply.author)%>" class="newsBlue mr10 f14"><%= reply.author.name%></a><%=  format_date(reply.created_at) %></div>
+        <div class="homepagePostReplyPublisher"><a href="<%=user_path(reply.author)%>" class="newsBlue mr10 f14"><%= reply.author.name%></a><%=  format_date(reply.created_at) %></div>
         <div class="homepagePostReplyContent" id="activity_description_<%= reply.id %>"><%= reply.content.html_safe%></div>
       </div>
       <script type="text/javascript">
diff --git a/app/views/organizations/_org_course_create.html.erb b/app/views/organizations/_org_course_create.html.erb
index 875c45059..1207d65c9 100644
--- a/app/views/organizations/_org_course_create.html.erb
+++ b/app/views/organizations/_org_course_create.html.erb
@@ -5,7 +5,7 @@
       <%= render :partial => 'users/show_detail_info', :locals => {:user => activity.teacher} %>
     </div>
     <div class="homepagePostDes">
-      <div class="homepagePostTo break_word mt-4">
+      <div class="homepagePostTo break_word">
         <% if activity.try(:teacher).try(:realname) == ' ' %>
             <%= link_to activity.try(:teacher), user_url_in_org(activity.tea_id), :class => "newsBlue mr15" %>
         <% else %>
diff --git a/app/views/organizations/_org_course_homework.html.erb b/app/views/organizations/_org_course_homework.html.erb
index 025bb48af..179c70930 100644
--- a/app/views/organizations/_org_course_homework.html.erb
+++ b/app/views/organizations/_org_course_homework.html.erb
@@ -6,7 +6,7 @@
       <%= render :partial => 'users/show_detail_info', :locals => {:user => activity.user} %>
     </div>
     <div class="homepagePostDes">
-      <div class="homepagePostTo break_word mt-4">
+      <div class="homepagePostTo break_word">
         <% if activity.try(:user).try(:realname) == ' ' %>
             <%= link_to activity.try(:user), user_url_in_org(activity.user_id), :class => "newsBlue mr15" %>
         <% else %>
diff --git a/app/views/organizations/_org_course_message.html.erb b/app/views/organizations/_org_course_message.html.erb
index 9a9943e9b..2817cd6c8 100644
--- a/app/views/organizations/_org_course_message.html.erb
+++ b/app/views/organizations/_org_course_message.html.erb
@@ -5,7 +5,7 @@
       <%= render :partial => 'users/show_detail_info', :locals => {:user => activity.author} %>
     </div>
     <div class="homepagePostDes">
-      <div class="homepagePostTo break_word mt-4">
+      <div class="homepagePostTo break_word">
         <% if activity.try(:author).try(:realname) == ' ' %>
             <%= link_to activity.try(:author), user_url_in_org(activity.author_id), :class => "newsBlue mr15" %>
         <% else %>
@@ -108,7 +108,7 @@
                     <%= link_to image_tag(url_to_avatar(reply.author), :width => "33", :height => "33"), user_url_in_org(reply.author_id), :alt => "用户头像" %>
                   </div>
                   <div class="homepagePostReplyDes">
-                    <div class="homepagePostReplyPublisher mt-4">
+                    <div class="homepagePostReplyPublisher">
                       <% if reply.try(:author).try(:realname) == ' ' %>
                           <%= link_to reply.try(:author), user_url_in_org(reply.author_id), :class => "newsBlue mr10 f14" %>
                       <% else %>
diff --git a/app/views/organizations/_org_course_news.html.erb b/app/views/organizations/_org_course_news.html.erb
index 7f50b3725..c35bef80a 100644
--- a/app/views/organizations/_org_course_news.html.erb
+++ b/app/views/organizations/_org_course_news.html.erb
@@ -5,7 +5,7 @@
       <%= render :partial => 'users/show_detail_info', :locals => {:user => activity.author} %>
     </div>
     <div class="homepagePostDes">
-      <div class="homepagePostTo break_word mt-4">
+      <div class="homepagePostTo break_word">
         <% if @ctivity.try(:author).try(:realname) == ' ' %>
             <%= link_to activity.try(:author), user_url_in_org(activity.author_id), :class => "newsBlue mr15" %>
         <% else %>
@@ -77,7 +77,7 @@
                     <%= link_to image_tag(url_to_avatar(comment.author), :width => "33", :height => "33"), user_url_in_org(comment.author_id), :alt => "用户头像" %>
                   </div>
                   <div class="homepagePostReplyDes">
-                    <div class="homepagePostReplyPublisher mt-4">
+                    <div class="homepagePostReplyPublisher">
                       <% if comment.try(:author).try(:realname) == ' ' %>
                           <%= link_to comment.try(:author), user_url_in_org(comment.author_id), :class => "newsBlue mr10 f14" %>
                       <% else %>
diff --git a/app/views/organizations/_org_course_poll.html.erb b/app/views/organizations/_org_course_poll.html.erb
index 10d1919a2..cdb4537c9 100644
--- a/app/views/organizations/_org_course_poll.html.erb
+++ b/app/views/organizations/_org_course_poll.html.erb
@@ -9,7 +9,7 @@
           <%= render :partial => 'users/show_detail_info', :locals => {:user => activity.user} %>
         </div>
         <div class="homepagePostDes">
-          <div class="homepagePostTo break_word mt-4">
+          <div class="homepagePostTo break_word">
             <% if activity.try(:user).try(:realname) == ' ' %>
                 <%= link_to activity.try(:user), user_url_in_org(activity.user_id), :class => "newsBlue mr15" %>
             <% else %>
diff --git a/app/views/organizations/_org_project_issue.html.erb b/app/views/organizations/_org_project_issue.html.erb
index 9b7dbfa8f..8b113be93 100644
--- a/app/views/organizations/_org_project_issue.html.erb
+++ b/app/views/organizations/_org_project_issue.html.erb
@@ -5,7 +5,7 @@
       <%= render :partial => 'users/show_detail_info', :locals => {:user => activity.author} %>
     </div>
     <div class="homepagePostDes">
-      <div class="homepagePostTo break_word mt-4">
+      <div class="homepagePostTo break_word">
         <% if activity.try(:author).try(:realname) == ' ' %>
             <%= link_to activity.try(:author), user_url_in_org(activity.author_id), :class => "newsBlue mr15" %>
         <% else %>
@@ -88,7 +88,7 @@
                     <%= link_to image_tag(url_to_avatar(reply.user), :width => "33", :height => "33"), user_url_in_org(reply.user_id), :alt => "用户头像" %>
                   </div>
                   <div class="homepagePostReplyDes">
-                    <div class="homepagePostReplyPublisher mt-4">
+                    <div class="homepagePostReplyPublisher">
                       <% if reply.try(:user).try(:realname) == ' ' %>
                           <%= link_to reply.try(:user), user_url_in_org(reply.user_id), :class => "newsBlue mr10 f14" %>
                       <% else %>
diff --git a/app/views/organizations/_org_subfield_message.html.erb b/app/views/organizations/_org_subfield_message.html.erb
index bf0cc8734..9693a3974 100644
--- a/app/views/organizations/_org_subfield_message.html.erb
+++ b/app/views/organizations/_org_subfield_message.html.erb
@@ -5,7 +5,7 @@
       <%= render :partial => 'users/show_detail_info', :locals => {:user => activity.author} %>
     </div>
     <div class="homepagePostDes">
-      <div class="homepagePostTo break_word mt-4">
+      <div class="homepagePostTo break_word">
         <% if activity.try(:author).try(:realname) == ' ' %>
             <%= link_to activity.try(:author), user_url_in_org(activity.author_id), :class => "newsBlue mr15" %>
         <% else %>
@@ -113,7 +113,7 @@
                     <%= link_to image_tag(url_to_avatar(reply.author), :width => "33", :height => "33"), user_url_in_org(reply.author_id), :alt => "用户头像" %>
                   </div>
                   <div class="homepagePostReplyDes">
-                    <div class="homepagePostReplyPublisher mt-4">
+                    <div class="homepagePostReplyPublisher">
                       <% if reply.try(:author).try(:realname) == ' ' %>
                           <%= link_to reply.try(:author), user_url_in_org(reply.author_id), :class => "newsBlue mr10 f14" %>
                       <% else %>
diff --git a/app/views/organizations/_org_subfield_news.html.erb b/app/views/organizations/_org_subfield_news.html.erb
index 3d2a316cf..a1ee88928 100644
--- a/app/views/organizations/_org_subfield_news.html.erb
+++ b/app/views/organizations/_org_subfield_news.html.erb
@@ -5,7 +5,7 @@
       <%= render :partial => 'users/show_detail_info', :locals => {:user => activity.author} %>
     </div>
     <div class="homepagePostDes">
-      <div class="homepagePostTo break_word mt-4">
+      <div class="homepagePostTo break_word">
         <% if activity.try(:author).try(:realname) == ' ' %>
             <%= link_to activity.try(:author), user_url_in_org(activity.author_id), :class => "newsBlue mr15" %>
         <% else %>
@@ -97,7 +97,7 @@
                     <%= link_to image_tag(url_to_avatar(comment.author), :width => "33", :height => "33"), user_url_in_org(comment.author_id), :alt => "用户头像" %>
                   </div>
                   <div class="homepagePostReplyDes">
-                    <div class="homepagePostReplyPublisher mt-4">
+                    <div class="homepagePostReplyPublisher">
                       <% if comment.try(:author).try(:realname) == ' ' %>
                           <%= link_to comment.try(:author), user_url_in_org(comment.author_id), :class => "newsBlue mr10 f14" %>
                       <% else %>
diff --git a/app/views/organizations/_project_create.html.erb b/app/views/organizations/_project_create.html.erb
index 5003fd0e2..a25c8f123 100644
--- a/app/views/organizations/_project_create.html.erb
+++ b/app/views/organizations/_project_create.html.erb
@@ -7,7 +7,7 @@
       <%= render :partial => 'users/show_detail_info', :locals => {:user => user} %>
     </div>
     <div class="homepagePostDes">
-      <div class="homepagePostTo break_word mt-4">
+      <div class="homepagePostTo break_word">
         <% if user.try(:realname) == ' ' %>
             <%= link_to user, user_url_in_org(user.id), :class => "newsBlue mr15" %>
         <% else %>
diff --git a/app/views/organizations/_project_message.html.erb b/app/views/organizations/_project_message.html.erb
index a818939d6..3e5e92f8f 100644
--- a/app/views/organizations/_project_message.html.erb
+++ b/app/views/organizations/_project_message.html.erb
@@ -5,7 +5,7 @@
       <%= render :partial => 'users/show_detail_info', :locals => {:user => activity.author} %>
     </div>
     <div class="homepagePostDes">
-      <div class="homepagePostTo break_word mt-4">
+      <div class="homepagePostTo break_word">
         <% if activity.try(:author).try(:realname) == ' ' %>
             <%= link_to activity.try(:author), user_url_in_org(activity.author_id), :class => "newsBlue mr15" %>
         <% else %>
@@ -87,7 +87,7 @@
                     <%= link_to image_tag(url_to_avatar(reply.author), :width => "33", :height => "33"), user_url_in_org(reply.author_id), :alt => "用户头像" %>
                   </div>
                   <div class="homepagePostReplyDes">
-                    <div class="homepagePostReplyPublisher mt-4">
+                    <div class="homepagePostReplyPublisher">
                       <% if reply.try(:author).try(:realname) == ' ' %>
                           <%= link_to reply.try(:author), user_url_in_org(reply.author_id), :class => "newsBlue mr10 f14" %>
                       <% else %>
diff --git a/app/views/projects/_attachment_acts.html.erb b/app/views/projects/_attachment_acts.html.erb
index de0820bff..0ecfa9be7 100644
--- a/app/views/projects/_attachment_acts.html.erb
+++ b/app/views/projects/_attachment_acts.html.erb
@@ -5,7 +5,7 @@
       <%= render :partial => 'users/show_detail_info', :locals => {:user => activity.author} %>
     </div>
     <div class="homepagePostDes">
-      <div class="homepagePostTo break_word mt-4">
+      <div class="homepagePostTo break_word">
         <% if activity.try(:author).try(:realname) == ' ' %>
             <%= link_to activity.try(:author), user_path(activity.author_id), :class => "newsBlue mr15" %>
         <% else %>
diff --git a/app/views/projects/_project_create.html.erb b/app/views/projects/_project_create.html.erb
index ef0c7c4c3..d54bf632e 100644
--- a/app/views/projects/_project_create.html.erb
+++ b/app/views/projects/_project_create.html.erb
@@ -7,7 +7,7 @@
       <%= render :partial => 'users/show_detail_info', :locals => {:user => user} %>
     </div>
     <div class="homepagePostDes">
-      <div class="homepagePostTo break_word mt-4">
+      <div class="homepagePostTo break_word">
         <% if user.try(:realname) == ' ' %>
             <%= link_to user, user_path(user), :class => "newsBlue mr15" %>
         <% else %>
diff --git a/app/views/projects/_project_news.html.erb b/app/views/projects/_project_news.html.erb
index 4ea0e9f17..a07a0a0f1 100644
--- a/app/views/projects/_project_news.html.erb
+++ b/app/views/projects/_project_news.html.erb
@@ -5,7 +5,7 @@
       <%= render :partial => 'users/show_detail_info', :locals => {:user => activity.author} %>
     </div>
     <div class="homepagePostDes">
-      <div class="homepagePostTo break_word mt-4">
+      <div class="homepagePostTo break_word">
         <% if activity.try(:author).try(:realname) == ' ' %>
             <%= link_to activity.try(:author), user_path(activity.author_id), :class => "newsBlue mr15" %>
         <% else %>
@@ -77,7 +77,7 @@
                     <%= link_to image_tag(url_to_avatar(comment.author), :width => "33", :height => "33"), user_path(comment.author_id), :alt => "用户头像" %>
                   </div>
                   <div class="homepagePostReplyDes">
-                    <div class="homepagePostReplyPublisher mt-4">
+                    <div class="homepagePostReplyPublisher">
                       <% if comment.try(:author).try(:realname) == ' ' %>
                           <%= link_to comment.try(:author), user_path(comment.author_id), :class => "newsBlue mr10 f14" %>
                       <% else %>
diff --git a/app/views/users/_course_attachment.html.erb b/app/views/users/_course_attachment.html.erb
index 6f6cf82f3..a8dc2e479 100644
--- a/app/views/users/_course_attachment.html.erb
+++ b/app/views/users/_course_attachment.html.erb
@@ -5,7 +5,7 @@
       <%= render :partial => 'users/show_detail_info', :locals => {:user => activity.author} %>
     </div>
     <div class="homepagePostDes">
-      <div class="homepagePostTo break_word mt-4">
+      <div class="homepagePostTo break_word">
         <% if activity.try(:author).try(:realname) == ' ' %>
             <%= link_to activity.try(:author), user_path(activity.author_id), :class => "newsBlue mr15" %>
         <% else %>
diff --git a/app/views/users/_course_create.html.erb b/app/views/users/_course_create.html.erb
index dc1e0ee81..0f413727d 100644
--- a/app/views/users/_course_create.html.erb
+++ b/app/views/users/_course_create.html.erb
@@ -5,7 +5,7 @@
       <%= render :partial => 'users/show_detail_info', :locals => {:user => activity.teacher} %>
     </div>
     <div class="homepagePostDes">
-      <div class="homepagePostTo break_word mt-4">
+      <div class="homepagePostTo break_word">
         <% if activity.try(:teacher).try(:realname) == ' ' %>
             <%= link_to activity.try(:teacher), user_path(activity.tea_id), :class => "newsBlue mr15" %>
         <% else %>
diff --git a/app/views/users/_course_homework.html.erb b/app/views/users/_course_homework.html.erb
index 351001bb8..18127bb59 100644
--- a/app/views/users/_course_homework.html.erb
+++ b/app/views/users/_course_homework.html.erb
@@ -6,7 +6,7 @@
       <%= render :partial => 'users/show_detail_info', :locals => {:user => activity.user} %>
     </div>
     <div class="homepagePostDes">
-      <div class="homepagePostTo break_word mt-4">
+      <div class="homepagePostTo break_word">
         <% if activity.try(:user).try(:realname) == ' ' %>
             <%= link_to activity.try(:user), user_path(activity.user_id,:host=>Setting.host_user), :class => "newsBlue mr15" %>
         <% else %>
diff --git a/app/views/users/_course_journalsformessage.html.erb b/app/views/users/_course_journalsformessage.html.erb
index f9a59f024..92b3b664c 100644
--- a/app/views/users/_course_journalsformessage.html.erb
+++ b/app/views/users/_course_journalsformessage.html.erb
@@ -5,7 +5,7 @@
       <%= render :partial => 'users/show_detail_info', :locals => {:user => activity.user} %>
     </div>
     <div class="homepagePostDes">
-      <div class="homepagePostTo break_word mt-4">
+      <div class="homepagePostTo break_word">
         <% if activity.try(:user).try(:realname) == ' ' %>
             <%= link_to activity.try(:user), user_path(activity.user_id), :class => "newsBlue mr15" %>
         <% else %>
diff --git a/app/views/users/_course_message.html.erb b/app/views/users/_course_message.html.erb
index 0ac756f71..f58b33665 100644
--- a/app/views/users/_course_message.html.erb
+++ b/app/views/users/_course_message.html.erb
@@ -5,7 +5,7 @@
       <%#= render :partial => 'users/show_detail_info', :locals => {:user => activity.author} %>
     </div>
     <div class="homepagePostDes">
-      <div class="homepagePostTo break_word mt-4">
+      <div class="homepagePostTo break_word">
         <% if activity.try(:author).try(:realname) == ' ' %>
             <%= link_to activity.try(:author), user_path(activity.author_id, :host=>Setting.host_user), :class => "newsBlue mr15" %>
         <% else %>
@@ -125,7 +125,7 @@
                     <%= link_to image_tag(url_to_avatar(reply.author), :width => "33", :height => "33"), user_path(reply.author_id,:host=>Setting.host_user), :alt => "用户头像" %>
                   </div>
                   <div class="homepagePostReplyDes">
-                    <div class="homepagePostReplyPublisher mt-4">
+                    <div class="homepagePostReplyPublisher">
                       <% if reply.try(:author).try(:realname) == ' ' %>
                           <%= link_to reply.try(:author), user_path(reply.author_id,:host=>Setting.host_user), :class => "newsBlue mr10 f14" %>
                       <% else %>
diff --git a/app/views/users/_course_news.html.erb b/app/views/users/_course_news.html.erb
index efaa72beb..a336f1cfb 100644
--- a/app/views/users/_course_news.html.erb
+++ b/app/views/users/_course_news.html.erb
@@ -5,7 +5,7 @@
       <%= render :partial => 'users/show_detail_info', :locals => {:user => activity.author} %>
     </div>
     <div class="homepagePostDes">
-      <div class="homepagePostTo break_word mt-4">
+      <div class="homepagePostTo break_word">
         <% if @ctivity.try(:author).try(:realname) == ' ' %>
             <%= link_to activity.try(:author), user_path(activity.author_id), :class => "newsBlue mr15" %>
         <% else %>
@@ -102,7 +102,7 @@
                     <%= link_to image_tag(url_to_avatar(comment.author), :width => "33", :height => "33"), user_path(comment.author_id), :alt => "用户头像" %>
                   </div>
                   <div class="homepagePostReplyDes">
-                    <div class="homepagePostReplyPublisher mt-4">
+                    <div class="homepagePostReplyPublisher">
                       <% if comment.try(:author).try(:realname) == ' ' %>
                           <%= link_to comment.try(:author), user_path(comment.author_id), :class => "newsBlue mr10 f14" %>
                       <% else %>
diff --git a/app/views/users/_course_poll.html.erb b/app/views/users/_course_poll.html.erb
index 970fb516e..0fd311376 100644
--- a/app/views/users/_course_poll.html.erb
+++ b/app/views/users/_course_poll.html.erb
@@ -9,7 +9,7 @@
       <%= render :partial => 'users/show_detail_info', :locals => {:user => activity.user} %>
     </div>
     <div class="homepagePostDes">
-      <div class="homepagePostTo break_word mt-4">
+      <div class="homepagePostTo break_word">
         <% if activity.try(:user).try(:realname) == ' ' %>
             <%= link_to activity.try(:user), user_path(activity.user_id), :class => "newsBlue mr15" %>
         <% else %>
diff --git a/app/views/users/_project_attachment.html.erb b/app/views/users/_project_attachment.html.erb
index b3d904104..fa85d5683 100644
--- a/app/views/users/_project_attachment.html.erb
+++ b/app/views/users/_project_attachment.html.erb
@@ -5,7 +5,7 @@
       <%= render :partial => 'users/show_detail_info', :locals => {:user => activity.author} %>
     </div>
     <div class="homepagePostDes">
-      <div class="homepagePostTo break_word mt-4">
+      <div class="homepagePostTo break_word">
         <% if activity.try(:author).try(:realname) == ' ' %>
             <%= link_to activity.try(:author), user_path(activity.author_id), :class => "newsBlue mr15" %>
         <% else %>
diff --git a/app/views/users/_project_create.html.erb b/app/views/users/_project_create.html.erb
index 0e35bca25..b4b186300 100644
--- a/app/views/users/_project_create.html.erb
+++ b/app/views/users/_project_create.html.erb
@@ -7,7 +7,7 @@
       <%= render :partial => 'users/show_detail_info', :locals => {:user => user} %>
     </div>
     <div class="homepagePostDes">
-      <div class="homepagePostTo break_word mt-4">
+      <div class="homepagePostTo break_word">
         <% if user.try(:realname) == ' ' %>
             <%= link_to user, user_path(user), :class => "newsBlue mr15" %>
         <% else %>
diff --git a/app/views/users/_project_document.html.erb b/app/views/users/_project_document.html.erb
index eb3ff2122..5427bd112 100644
--- a/app/views/users/_project_document.html.erb
+++ b/app/views/users/_project_document.html.erb
@@ -3,7 +3,7 @@
     <div class="homepagePostPortrait">
       <a href="javascript:void(0);"><img src="images/homepageImage.jpg" width="50" height="50" alt="用户头像"/></a></div>
     <div class="homepagePostDes">
-      <div class="homepagePostTo mt-4"><a href="javascript:void(0);" class="newsBlue mr15">尹教授</a> TO
+      <div class="homepagePostTo"><a href="javascript:void(0);" class="newsBlue mr15">尹教授</a> TO
         <a href="javascript:void(0);" class="newsBlue ml15">分布式计算环境(课程名称)</a></div>
       <div class="homepagePostTitle">
         <a href="javascript:void(0);" class="postGrey">ckeditor值设置的默认在光标聚焦控件后应自动消失的处理（文档名称）</a></div>
diff --git a/app/views/users/_project_issue.html.erb b/app/views/users/_project_issue.html.erb
index 008f08706..5f0adced0 100644
--- a/app/views/users/_project_issue.html.erb
+++ b/app/views/users/_project_issue.html.erb
@@ -5,7 +5,7 @@
       <%= render :partial => 'users/show_detail_info', :locals => {:user => activity.author} %>
     </div>
     <div class="homepagePostDes">
-      <div class="homepagePostTo break_word mt-4">
+      <div class="homepagePostTo break_word">
         <% if activity.try(:author).try(:realname) == ' ' %>
             <%= link_to activity.try(:author), user_path(activity.author_id), :class => "newsBlue mr15" %>
         <% else %>
diff --git a/app/views/users/_project_issue_reply.html.erb b/app/views/users/_project_issue_reply.html.erb
index 5020f67d3..671cbeab9 100644
--- a/app/views/users/_project_issue_reply.html.erb
+++ b/app/views/users/_project_issue_reply.html.erb
@@ -37,7 +37,7 @@
                   <%= link_to image_tag(url_to_avatar(reply.user), :width => "33", :height => "33"), user_path(reply.user_id), :alt => "用户头像" %>
                 </div>
                 <div class="homepagePostReplyDes">
-                  <div class="homepagePostReplyPublisher mt-4">
+                  <div class="homepagePostReplyPublisher">
                     <% if reply.try(:user).try(:realname) == ' ' %>
                         <%= link_to reply.try(:user), user_path(reply.user_id), :class => "newsBlue mr10 f14" %>
                     <% else %>
diff --git a/app/views/users/_project_journal.html.erb b/app/views/users/_project_journal.html.erb
index 7cf487211..1efbf1c7d 100644
--- a/app/views/users/_project_journal.html.erb
+++ b/app/views/users/_project_journal.html.erb
@@ -3,7 +3,7 @@
     <div class="homepagePostPortrait">
       <a href="javascript:void(0);"><img src="images/homepageImage.jpg" width="50" height="50" alt="用户头像"/></a></div>
     <div class="homepagePostDes">
-      <div class="homepagePostTo mt-4"><a href="javascript:void(0);" class="newsBlue mr15">尹教授</a> TO
+      <div class="homepagePostTo"><a href="javascript:void(0);" class="newsBlue mr15">尹教授</a> TO
         <a href="javascript:void(0);" class="newsBlue ml15">分布式计算环境(课程名称)</a></div>
       <div class="homepagePostTitle">
         <a href="javascript:void(0);" class="postGrey">ckeditor值设置的默认在光标聚焦控件后应自动消失的处理（项目日志）</a></div>
diff --git a/app/views/users/_project_message.html.erb b/app/views/users/_project_message.html.erb
index c071f4a13..5fdff5aad 100644
--- a/app/views/users/_project_message.html.erb
+++ b/app/views/users/_project_message.html.erb
@@ -5,7 +5,7 @@
       <%= render :partial => 'users/show_detail_info', :locals => {:user => activity.author} %>
     </div>
     <div class="homepagePostDes">
-      <div class="homepagePostTo break_word mt-4">
+      <div class="homepagePostTo break_word">
         <% if activity.try(:author).try(:realname) == ' ' %>
             <%= link_to activity.try(:author), user_path(activity.author_id), :class => "newsBlue mr15" %>
         <% else %>
@@ -120,7 +120,7 @@
                     <%= link_to image_tag(url_to_avatar(reply.author), :width => "33", :height => "33"), user_path(reply.author_id), :alt => "用户头像" %>
                   </div>
                   <div class="homepagePostReplyDes">
-                    <div class="homepagePostReplyPublisher mt-4">
+                    <div class="homepagePostReplyPublisher">
                       <% if reply.try(:author).try(:realname) == ' ' %>
                           <%= link_to reply.try(:author), user_path(reply.author_id), :class => "newsBlue mr10 f14" %>
                       <% else %>
diff --git a/app/views/users/_project_news.html.erb b/app/views/users/_project_news.html.erb
index 7f5d185e5..681493c44 100644
--- a/app/views/users/_project_news.html.erb
+++ b/app/views/users/_project_news.html.erb
@@ -5,7 +5,7 @@
       <%= render :partial => 'users/show_detail_info', :locals => {:user => activity.author} %>
     </div>
     <div class="homepagePostDes">
-      <div class="homepagePostTo break_word mt-4">
+      <div class="homepagePostTo break_word">
         <% if @ctivity.try(:author).try(:realname) == ' ' %>
             <%= link_to activity.try(:author), user_path(activity.author_id), :class => "newsBlue mr15" %>
         <% else %>
@@ -99,7 +99,7 @@
                     <%= link_to image_tag(url_to_avatar(comment.author), :width => "33", :height => "33"), user_path(comment.author_id), :alt => "用户头像" %>
                   </div>
                   <div class="homepagePostReplyDes">
-                    <div class="homepagePostReplyPublisher mt-4">
+                    <div class="homepagePostReplyPublisher">
                       <% if comment.try(:author).try(:realname) == ' ' %>
                           <%= link_to comment.try(:author), user_path(comment.author_id), :class => "newsBlue mr10 f14" %>
                       <% else %>
diff --git a/app/views/users/_user_blog.html.erb b/app/views/users/_user_blog.html.erb
index 841fd9377..2fcf94a13 100644
--- a/app/views/users/_user_blog.html.erb
+++ b/app/views/users/_user_blog.html.erb
@@ -5,7 +5,7 @@
       <%= render :partial => 'users/show_detail_info', :locals => {:user => activity.author} %>
     </div>
     <div class="homepagePostDes">
-      <div class="homepagePostTo break_word mt-4">
+      <div class="homepagePostTo break_word">
         <% if @ctivity.try(:author).try(:realname) == ' ' %>
             <%= link_to activity.try(:author), user_path(activity.author_id), :class => "newsBlue mr15" %>
         <% else %>
@@ -83,7 +83,7 @@
                     <%= link_to image_tag(url_to_avatar(comment.author), :width => "33", :height => "33"), user_path(comment.author_id), :alt => "用户头像" %>
                   </div>
                   <div class="homepagePostReplyDes">
-                    <div class="homepagePostReplyPublisher mt-4">
+                    <div class="homepagePostReplyPublisher">
                       <% if comment.try(:author).try(:realname) == ' ' %>
                           <%= link_to comment.try(:author), user_path(comment.author_id), :class => "newsBlue mr10 f14" %>
                       <% else %>
diff --git a/app/views/users/_user_homework_detail.html.erb b/app/views/users/_user_homework_detail.html.erb
index e483f3daf..4360dca3b 100644
--- a/app/views/users/_user_homework_detail.html.erb
+++ b/app/views/users/_user_homework_detail.html.erb
@@ -5,7 +5,7 @@
       <%=link_to image_tag(url_to_avatar(homework_common.user),width:"50px", height: "50px"), user_activities_path(homework_common.user.id)%>
     </div>
     <div class="homepagePostDes">
-      <div class="homepagePostTo mt-4">
+      <div class="homepagePostTo">
         <%= link_to homework_common.user.show_name, user_activities_path(homework_common.user_id), :class => "newsBlue mr15"%>
         TO
         <%= link_to homework_common.course.name, course_path(homework_common.course_id), :class => "newsBlue ml15"%>
diff --git a/app/views/users/user_system_messages.html.erb b/app/views/users/user_system_messages.html.erb
index 86ae56cc8..57c6eb573 100644
--- a/app/views/users/user_system_messages.html.erb
+++ b/app/views/users/user_system_messages.html.erb
@@ -7,7 +7,7 @@
           <%= image_tag("/images/trustie_logo1.png", :width => "50", :height => "50") %>
         </div>
         <div class="homepagePostDes">
-          <div class="homepagePostTo break_word mt-4">
+          <div class="homepagePostTo break_word">
             <span class="fl"><span style="color:#0781b4;">Trustie平台 </span>发布了系统消息：</span>
             <span style="color:#0781b4; max-width:470px; display:block; overflow:hidden; white-space: nowrap; text-overflow:ellipsis;vertical-align: top;"><%= system_message.subject.nil? ? "系统消息" : system_message.subject %></span>
           </div>