diff --git a/app/views/courses/index.html.erb b/app/views/courses/index.html.erb
index 2a69244cf..b3f3025a3 100644
--- a/app/views/courses/index.html.erb
+++ b/app/views/courses/index.html.erb
@@ -13,7 +13,7 @@
   </div>
   <div class="clearfix mb15 fl">
     <li class="edu-dropdown fl ml15 mr5" id="thirdly_select" style="width: 100px">
-      <a href="javascript:void(0);" class="edu-dropdown-toggle" id="all_syllabuses" >所有课程<i class="fa fa-caret-down ml5" ></i></a>
+      <a href="javascript:void(0);" class="edu-dropdown-toggle" id="all_syllabuses" >所有课程<i class="fa fa-caret-down ml20"></i></a>
       <ul class="edu-dropdown-menu" id="all_syllabuses_list">
         <li onclick="change_language(this);"><a id="courses_index_syllabuses_1" href="<%= courses_path(:select => "all", :search => @search) %>" data-remote="true">所有课程</a></li>
         <li onclick="change_language(this);"><a id="courses_index_syllabuses_2" href="<%= courses_path(:select => "create", :search => @search) %>" data-remote="true">我发布的课程</a></li>
diff --git a/public/stylesheets/css/edu-public.css b/public/stylesheets/css/edu-public.css
index 29139eb5a..36d432075 100644
--- a/public/stylesheets/css/edu-public.css
+++ b/public/stylesheets/css/edu-public.css
@@ -55,7 +55,7 @@ $colors: #fff, #0072B5, #2C3E50;
 
 .edu-dropdown{ position: relative; padding:0 15px; }
 .edu-dropdown-menu{ background-color:#fff; text-align: center;  border-radius:3px; box-shadow: 0px 2px 8px rgba(146, 153, 169, 0.5); position:absolute; top:25px; left:0px; z-index: 999;   display:none;}
-.edu-dropdown-menu li{ height:30px; line-height:30px; display: block; padding:0 15px;}
+.edu-dropdown-menu li{ height:30px; line-height:30px; display: block; padding:0 15px; text-align: left;}
 /*.edu-dropdown:hover .edu-dropdown-menu{ display: block;}*/
 .animate{ -webkit-transition: all .3s; -moz-transition: all .3s; -ms-transition: all .3s; -ms-transition: all .3s;
     transition: all .3s;   backface-visibility:hidden; -webkit-backface-visibility:hidden; /* Chrome and Safari */ -moz-backface-visibility:hidden; /* Firefox */ -ms-backface-visibility:hidden; /* Internet Explorer */}