diff --git a/app/views/users/_course_message.html.erb b/app/views/users/_course_message.html.erb
index 1587cbfb1..114852a06 100644
--- a/app/views/users/_course_message.html.erb
+++ b/app/views/users/_course_message.html.erb
@@ -91,7 +91,7 @@
                 <% replies_all_i=replies_all_i+1 %>
                 <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" %>
+                    <%= link_to image_tag(url_to_avatar(reply.author), :width => "33", :height => "33", :class =>"mt8"), user_path(reply.author_id), :alt => "用户头像" %>
                   </div>
                   <div class="homepagePostReplyDes">
                     <div class="homepagePostReplyPublisher">
diff --git a/app/views/users/_course_news.html.erb b/app/views/users/_course_news.html.erb
index 857ae3697..54c1fd51d 100644
--- a/app/views/users/_course_news.html.erb
+++ b/app/views/users/_course_news.html.erb
@@ -62,7 +62,7 @@
                 <% replies_all_i = replies_all_i + 1 %>
                 <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" %>
+                    <%= link_to image_tag(url_to_avatar(comment.author), :width => "33", :height => "33", :class =>"mt8"), user_path(comment.author_id), :alt => "用户头像" %>
                   </div>
                   <div class="homepagePostReplyDes">
                     <div class="homepagePostReplyPublisher">
diff --git a/app/views/users/_project_issue.html.erb b/app/views/users/_project_issue.html.erb
index e0e093f2d..cdc310604 100644
--- a/app/views/users/_project_issue.html.erb
+++ b/app/views/users/_project_issue.html.erb
@@ -100,7 +100,7 @@
                 <% replies_all_i=replies_all_i + 1 %>
                 <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" %>
+                    <%= link_to image_tag(url_to_avatar(reply.user), :width => "33", :height => "33", :class =>"mt8"), user_path(reply.user_id), :alt => "用户头像" %>
                   </div>
                   <div class="homepagePostReplyDes">
                     <div class="homepagePostReplyPublisher">
diff --git a/app/views/users/_project_message.html.erb b/app/views/users/_project_message.html.erb
index 2c0dfeec0..ac96ee562 100644
--- a/app/views/users/_project_message.html.erb
+++ b/app/views/users/_project_message.html.erb
@@ -77,7 +77,7 @@
                 <% replies_all_i=replies_all_i+1 %>
                 <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" %>
+                    <%= link_to image_tag(url_to_avatar(reply.author), :width => "33", :height => "33", :class =>"mt8"), user_path(reply.author_id), :alt => "用户头像" %>
                   </div>
                   <div class="homepagePostReplyDes">
                     <div class="homepagePostReplyPublisher">
diff --git a/public/stylesheets/new_user.css b/public/stylesheets/new_user.css
index 0111ec212..51bd52547 100644
--- a/public/stylesheets/new_user.css
+++ b/public/stylesheets/new_user.css
@@ -587,8 +587,8 @@ a.postReplyCancel:hover {color:#ffffff;}
 .homepagePostSettingIcon:hover {background:url(../images/homepage_icon.png) -93px -44px no-repeat;}
 a.postOptionLink {color:#616060; display:block; width:55px; padding:0px 15px;}
 a.postOptionLink:hover {color:#ffffff; background-color:#269ac9;}
-.homepagePostReplyPortrait {float:left; width:45px;}
-.homepagePostReplyDes {float:left; width:620px; margin-left:15px;}
+.homepagePostReplyPortrait {float:left; width:33px;}
+.homepagePostReplyDes {float:left; width:632px; margin-left:15px;}
 .homepagePostReplyPublisher {font-size:12px; color:#888888; margin-bottom:5px;}
 .homepagePostReplyContent {font-size:12px; color:#484848; margin-bottom:12px;}
 .homepagePostProjectState {width:52px; height:20px; line-height:20px; border-radius:1px; background-color:#28be6c; color:#ffffff; text-align:center; vertical-align:middle; font-size:12px; display:inline-block; margin-left:5px;}