diff --git a/app/views/attachments/_activity_attach.html.erb b/app/views/attachments/_activity_attach.html.erb
index 32e796382..3cc429185 100644
--- a/app/views/attachments/_activity_attach.html.erb
+++ b/app/views/attachments/_activity_attach.html.erb
@@ -3,14 +3,14 @@
         <div class="break_word">
           <span class="fl">
           <span title="<%= attachment.filename %>" id="attachment_<%=attachment.id %>">
-            <%= link_to_short_attachment attachment,:length=> 58, :class => 'hidden link_file_a fl newsBlue mw400', :download => true -%>
+            <%= link_to_short_attachment attachment,:length=> 58, :class => 'hidden link_file_a fl newsBlue mw380', :download => true -%>
           </span>
           </span>
           <span class="postAttSize">(
             <%= number_to_human_size attachment.filesize %>)
           </span>
           <span class="author" title="<%= attachment.author%>">
-            <%= link_to h(truncate(attachment.author.name, length: 10, omission: '...')),user_path(attachment.author),:class => "c_orange" %>,
+            <%= link_to h(truncate(attachment.author.name, length: 15, omission: '...')),user_path(attachment.author),:class => "c_orange" %>,
             <%= format_time(attachment.created_on) %>
           </span>
         </div>
diff --git a/public/stylesheets/courses.css b/public/stylesheets/courses.css
index 7dd3fd74f..b4d07f64f 100644
--- a/public/stylesheets/courses.css
+++ b/public/stylesheets/courses.css
@@ -419,6 +419,7 @@ a:hover.ping_sub{ background:#14a8b9;}
 /*.ping_distop span a{ float:right; width:20px; height:20px; background:url(images/star.png) -24px 0 no-repeat; margin-right:3px;}*/
 .list_style ol li{list-style-type: decimal;margin-left: 20px;}
 .list_style ul li{list-style-type: disc;margin-left: 20px;}
+span.author { font-size: 0.9em; color: #888; }
 
 /* 创建作品 work */
 .Newwork{ width:668px; height:418px;}
diff --git a/public/stylesheets/new_user.css b/public/stylesheets/new_user.css
index 94e3fa85a..c455a5998 100644
--- a/public/stylesheets/new_user.css
+++ b/public/stylesheets/new_user.css
@@ -99,6 +99,7 @@ a.linkGrey6:hover {color:#ffffff !important;}
 .mr40{ margin-right:40px !important;}
 .mr65 {margin-right: 65px;}
 .mw20{ margin: 0 20px;}
+.mw380 {max-width: 380px !important;}
 .mw400 {max-width: 400px !important;}
 .mt-20 {margin-top:-20px;}
 .mt-4 {margin-top: -4px;}
diff --git a/public/stylesheets/public.css b/public/stylesheets/public.css
index 0a3732ced..9d37dc1cb 100644
--- a/public/stylesheets/public.css
+++ b/public/stylesheets/public.css
@@ -180,6 +180,7 @@ h4{ font-size:14px; color:#3b3b3b;}
 .h150{ height:150px;}
 .p10 {padding-left:10px; padding-right:10px;}
 .mw360 {max-width: 360px !important;}
+.mw380 {max-width: 380px !important;}
 .mw400 {max-width: 400px !important;}
 .mh18 {max-height: 18px;}
 
@@ -1136,4 +1137,4 @@ a.program-btn{background: url(../images/homepage_icon.png) -86px -393px no-repea
 .mediaIco{margin: 30px 0 30px 20px;width: 200px;}
 /*排序样式*/
 a.st_up{ display: block; width:8px; float:left; height:13px; background:url(../images/pic_up.png) 0 0 no-repeat; margin-top:5px; margin-left:3px;}
-a.st_down{ display: block; width:8px; float:left; height:13px; background:url(../images/pic_up.png) 0 -22px no-repeat; margin-top:5px; margin-left:3px;}
+a.st_down{ display: block; width:8px; float:left; height:13px; background:url(../images/pic_up.png) 0 -22px no-repeat; margin-top:5px; margin-left:3px;}