diff --git a/app/views/student_work/_homework_post_brief.html.erb b/app/views/student_work/_homework_post_brief.html.erb
index 6b3c0d542..310b4118b 100644
--- a/app/views/student_work/_homework_post_brief.html.erb
+++ b/app/views/student_work/_homework_post_brief.html.erb
@@ -42,7 +42,7 @@
 </div>
 <div class="homeworkInfo" id="homeworkInformation">
   <div class="">
-    <div class="homeworkDetail upload_img break_word list_style max_h54" id="homeworkDetail">
+    <div class="homeworkDetail upload_img break_word list_style" id="homeworkDetail">
       <div id="homework_description">
         <%= homework.description.html_safe %>
       </div>
diff --git a/app/views/student_work/_student_work_list.html.erb b/app/views/student_work/_student_work_list.html.erb
index 6bcb2bb5e..77517f747 100644
--- a/app/views/student_work/_student_work_list.html.erb
+++ b/app/views/student_work/_student_work_list.html.erb
@@ -54,10 +54,6 @@
 
 <script type="text/javascript">
   $(function(){
-      if($("#homework_info_hidden").is(":hidden"))
-      {
-          $("#homework_info_show").show();
-      }
       <% if !@is_evaluation && (!@is_teacher || params[:show_work_id].present?) || @message_student_work_id || (@is_evaluation && @is_focus == 1) %>
           <% if @message_student_work_id %>
             <% work = @homework.student_works.where("id =?", @message_student_work_id).first %>
diff --git a/app/views/student_work/index.html.erb b/app/views/student_work/index.html.erb
index 8ab08b7e0..b92152049 100644
--- a/app/views/student_work/index.html.erb
+++ b/app/views/student_work/index.html.erb
@@ -57,29 +57,6 @@
       "<a href='javascript:' onclick='clickCanel();'><img src='/images/bid/close.png' width='26px' height='26px' /></a></span>");
       $('#ajax-modal').parent().css("top","25%").css("left","35%").css("position","fixed").css("border","3px solid #269ac9");
   }
-
-  function show_or_hide_info(){
-      $("#homeworkInformation").toggle();
-      $("#homework_info_hidden").toggle();
-      $("#homework_info_show").toggle();
-  }
-
-  $(function(){
-      if($("#homework_description").height() > 54) {
-          $("#homeworkDetailShow").show();
-      }
-      $("#homeworkDetailShow").click(function(){
-          $("#homeworkDetail").toggleClass("max_h54");
-          $("#homeworkDetailShow").hide();
-          $("#homeworkDetailHide").show();
-      });
-      $("#homeworkDetailHide").click(function(){
-          $("#homeworkDetail").toggleClass("max_h54");
-          $("#homeworkDetailHide").hide();
-          $("#homeworkDetailShow").show();
-      });
-  });
-
 </script>
 
 <div class="homepageRight mt0 ml10">