diff --git a/app/views/courses/show.html.erb b/app/views/courses/show.html.erb
index b9d97e18a..87d30d82f 100644
--- a/app/views/courses/show.html.erb
+++ b/app/views/courses/show.html.erb
@@ -12,7 +12,7 @@
   <div class="NewsBannerName">班级动态</div>
   <ul class="resourcesSelect">
     <li class="resourcesSelected"><a href="javascript:void(0);" class="resourcesIcon"></a>
-      <ul class="homepagePostType">
+      <ul class="homepagePostType" style="width:90px; left:-80px;">
         <li>
           <ul class="homepagePostTypeHomework fl">
             <li><%= link_to "全部动态", {:controller => "courses", :action => "show", :type => nil}, :class =>"homepagePostTypeAll postTypeGrey"%></li>
diff --git a/public/stylesheets/css/public.css b/public/stylesheets/css/public.css
index 86a5c8bb9..d1c1a28ba 100644
--- a/public/stylesheets/css/public.css
+++ b/public/stylesheets/css/public.css
@@ -6,7 +6,7 @@
 
 /*主内容左右分栏*/
 #LSide{ width:240px;}
-#RSide{ width:728px; background:#fff; padding:10px; margin-left:10px;}
+#RSide{ width:728px; background:#fff; padding:10px;}
 
 /*资源库*/
 .resources {width:718px; background-color:#ffffff; padding:15px; border:1px solid #dddddd;float: right}