diff --git a/app/views/users/_course_message.html.erb b/app/views/users/_course_message.html.erb
index 0f3201e64..deaff2207 100644
--- a/app/views/users/_course_message.html.erb
+++ b/app/views/users/_course_message.html.erb
@@ -80,11 +80,11 @@
         <% activity= activity.parent_id.nil? ? activity:activity.parent%>
         <% replies_all_i = 0 %>
         <%  unless activity.children.empty? %>
-            <div class="homepagePostReplyContainer" id="reply_div_<%= user_activity.id %>">
+            <div id="reply_div_<%= user_activity.id %>">
                 <ul>
                     <% activity.children.reorder("created_on desc").each do |reply|%>
                           <% replies_all_i=replies_all_i+1 %>
-                          <li nhname="reply_rec" style="display:<%= replies_all_i>2 ? 'none' : '' %>">
+                          <li class="homepagePostReplyContainer" nhname="reply_rec" style="display:<%= replies_all_i>2 ? 'none' : '' %>">
                             <div class="homepagePostReplyPortrait">
                               <%= link_to image_tag(url_to_avatar(reply.author), :width => "45", :height => "45"), user_path(reply.author_id), :alt => "用户头像" %>
                             </div>
diff --git a/app/views/users/_course_news.html.erb b/app/views/users/_course_news.html.erb
index 78478aee4..4abe9c82c 100644
--- a/app/views/users/_course_news.html.erb
+++ b/app/views/users/_course_news.html.erb
@@ -63,11 +63,11 @@
     </div>-->
     <% replies_all_i = 0 %>
     <% unless activity.comments.empty? %>
-        <div class="homepagePostReplyContainer" id="reply_div_<%= user_activity.id %>">
+        <div id="reply_div_<%= user_activity.id %>">
           <ul>
             <% activity.comments.reorder("created_on desc").each do |comment| %>
                 <% replies_all_i=replies_all_i+1 %>
-                <li nhname="reply_rec" style="display:<%= replies_all_i>2 ? 'none' : '' %>">
+                <li class="homepagePostReplyContainer" nhname="reply_rec" style="display:<%= replies_all_i>2 ? 'none' : '' %>">
                   <div class="homepagePostReplyPortrait">
                     <%= link_to image_tag(url_to_avatar(comment.author), :width => "45", :height => "45"), user_path(comment.author_id), :alt => "用户头像" %>
                   </div>
diff --git a/app/views/users/_project_issue.html.erb b/app/views/users/_project_issue.html.erb
index a04f899fd..f628c63d2 100644
--- a/app/views/users/_project_issue.html.erb
+++ b/app/views/users/_project_issue.html.erb
@@ -100,11 +100,11 @@
     </div>-->
     <% replies_all_i = 0 %>
     <% unless activity.journals.empty? %>
-        <div class="homepagePostReplyContainer" id="reply_div_<%= user_activity.id %>">
+        <div id="reply_div_<%= user_activity.id %>">
           <ul>
             <% activity.journals.reorder("created_on desc").each do |reply| %>
                 <% replies_all_i=replies_all_i+1 %>
-                <li nhname="reply_rec" style="display:<%= replies_all_i>2 ? 'none' : '' %>">
+                <li class="homepagePostReplyContainer" nhname="reply_rec" style="display:<%= replies_all_i>2 ? 'none' : '' %>">
                   <div class="homepagePostReplyPortrait">
                     <%= link_to image_tag(url_to_avatar(reply.user), :width => "45", :height => "45"), user_path(reply.user_id), :alt => "用户头像" %>
                   </div>
diff --git a/app/views/users/_project_message.html.erb b/app/views/users/_project_message.html.erb
index af6233d82..3164ad798 100644
--- a/app/views/users/_project_message.html.erb
+++ b/app/views/users/_project_message.html.erb
@@ -79,11 +79,11 @@
     <% activity= activity.parent_id.nil? ? activity : activity.parent %>
     <% replies_all_i = 0 %>
     <% unless activity.children.empty? %>
-        <div class="homepagePostReplyContainer" id="reply_div_<%= user_activity.id %>">
+        <div id="reply_div_<%= user_activity.id %>">
           <ul>
             <% activity.children.reorder("created_on desc").each do |reply| %>
                 <% replies_all_i=replies_all_i+1 %>
-                <li nhname="reply_rec" style="display:<%= replies_all_i>2 ? 'none' : '' %>">
+                <li class="homepagePostReplyContainer" nhname="reply_rec" style="display:<%= replies_all_i>2 ? 'none' : '' %>">
                   <div class="homepagePostReplyPortrait">
                     <%= link_to image_tag(url_to_avatar(reply.author), :width => "45", :height => "45"), user_path(reply.author_id), :alt => "用户头像" %>
                   </div>
diff --git a/public/stylesheets/new_user.css b/public/stylesheets/new_user.css
index 1e729cce2..04f5be4f9 100644
--- a/public/stylesheets/new_user.css
+++ b/public/stylesheets/new_user.css
@@ -599,7 +599,7 @@ a.postReplyCancel {color:#888888; display:block;}
 a.postReplyCancel:hover {color:#ffffff;}
 .homepagePostReplyInputContainer2 {width:595px; margin:0px auto;}
 .homepagePostReplyInput2 {width:588px; height:45px; max-width:588px; max-height:45px; border:1px solid #d9d9d9; outline:none; margin:0px auto 10px auto;}
-.homepagePostReplyContainer {border-bottom:1px solid #e3e3e3; width:670px; margin:0px auto; margin-top:15px; min-height:65px;}
+.homepagePostReplyContainer {border-bottom:1px solid #e3e3e3; width:680px; margin:0px auto; margin-top:15px; min-height:65px;}
 .homepagePostSetting {position:absolute; width:20px; height:20px; right:0px; top:0px;}
 .homepagePostSettingIcon {background:url(../images/homepage_icon.png) -93px -5px no-repeat; width:20px; height:20px;}
 .homepagePostSettiongText {width:85px; line-height:2; font-size:12px; color:#616060; background-color:#ffffff; border:1px solid #eaeaea; border-radius:3px; position:absolute; left:-68px; top:20px; padding:5px 0px; display:none;}