diff --git a/app/views/exercise/_student_exercise.html.erb b/app/views/exercise/_student_exercise.html.erb
index f9fd114dd..2f567796a 100644
--- a/app/views/exercise/_student_exercise.html.erb
+++ b/app/views/exercise/_student_exercise.html.erb
@@ -17,7 +17,7 @@
       </div>-->
       <%#= select_tag(:student_work_in_group,options_for_select(course_group_list(@course),@group), {:class => "classSplit"}) unless course_group_list(@course).empty?  %>
   <%# end%>
-  <span class="fr c_grey"> <a href="javascript:void(0);" class="linkGrey2" id="homework_info_show" style="display: none">[ 显示测验信息 ]</a> </span>
+  <span class="fr c_grey"> <a href="javascript:void(0);" class="linkGrey2" id="homework_info_show" onclick="show_or_hide_info();" style="display: none">[ 显示测验信息 ]</a> </span>
 </div>
 <div class="cl"></div>
 
diff --git a/app/views/exercise/_student_exercise_archive.html.erb b/app/views/exercise/_student_exercise_archive.html.erb
index abc604b73..3afac2dc2 100644
--- a/app/views/exercise/_student_exercise_archive.html.erb
+++ b/app/views/exercise/_student_exercise_archive.html.erb
@@ -17,7 +17,7 @@
       </div>-->
   <%#= select_tag(:student_work_in_group,options_for_select(course_group_list(@course),@group), {:class => "classSplit"}) unless course_group_list(@course).empty?  %>
   <%# end%>
-  <span class="fr c_grey"> <a href="javascript:void(0);" class="linkGrey2" id="homework_info_show" style="display: none">[ 显示测验信息 ]</a> </span>
+  <span class="fr c_grey"> <a href="javascript:void(0);" class="linkGrey2" id="homework_info_show" onclick="show_or_hide_info();" style="display: none">[ 显示测验信息 ]</a> </span>
 </div>
 <div class="cl"></div>
 
diff --git a/app/views/exercise/student_exercise_list.html.erb b/app/views/exercise/student_exercise_list.html.erb
index c96f8156a..02f161589 100644
--- a/app/views/exercise/student_exercise_list.html.erb
+++ b/app/views/exercise/student_exercise_list.html.erb
@@ -5,8 +5,14 @@
         $("#Container").css("width","1000px");
     });
 
+    function show_or_hide_info(){
+        $("#homeworkInformation").toggle();
+        $("#homework_info_hidden").toggle();
+        $("#homework_info_show").toggle();
+    }
+
     $(function(){
-        $("#homework_info_hidden").click(function(){
+        /*$("#homework_info_hidden").click(function(){
             $("#homeworkInformation").hide();
             $("#homework_info_hidden").hide();
             $("#homework_info_show").show();
@@ -15,7 +21,7 @@
             $("#homework_info_show").hide();
             $("#homeworkInformation").show();
             $("#homework_info_hidden").show();
-        });
+        });*/
 
         if($("#homework_description").height() > 54) {
             $("#homeworkDetailShow").show();
@@ -88,7 +94,7 @@
             <% elsif @exercise.exercise_status == 3 %>
                 <span class="grey_homework_btn_cir ml5">已截止</span>
             <% end%>
-        <span class="fr c_grey"> <a href="javascript:void(0);" class="linkGrey2" id="homework_info_hidden">[ 隐藏测验信息 ]</a> </span>
+        <span class="fr c_grey"> <a href="javascript:void(0);" class="linkGrey2" onclick="show_or_hide_info();" id="homework_info_hidden">[ 隐藏测验信息 ]</a> </span>
         <div class="cl"></div>
         <div class="fontGrey2 db mb5">发布者：<%= @exercise.user.show_name %></div>
         <div class="homeworkDetail upload_img break_word list_style max_h54" id="homeworkDetail">
diff --git a/app/views/student_work/_student_work_list.html.erb b/app/views/student_work/_student_work_list.html.erb
index 1c699d331..bc7ab947f 100644
--- a/app/views/student_work/_student_work_list.html.erb
+++ b/app/views/student_work/_student_work_list.html.erb
@@ -24,7 +24,7 @@
           <%= link_to "代码查重", work_canrepeat_student_work_index_path(homework:@homework.id, course_id:@course.id), class: 'BlueCirBtn fl',:remote => true %>
       <% end %>
   <% end%>
-  <span class="fr c_grey"> <a href="javascript:void(0);" class="linkGrey2" id="homework_info_show" style="display: none">[ 显示作业信息 ]</a> </span>
+  <span class="fr c_grey"> <a href="javascript:void(0);" class="linkGrey2" id="homework_info_show" onclick="show_or_hide_info();" style="display: none">[ 显示作业信息 ]</a> </span>
 </div>
 <div class="cl"></div>
 
diff --git a/app/views/student_work/index.html.erb b/app/views/student_work/index.html.erb
index 96e43af46..d0aa0d329 100644
--- a/app/views/student_work/index.html.erb
+++ b/app/views/student_work/index.html.erb
@@ -33,8 +33,14 @@
       $('#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(){
-      $("#homework_info_hidden").click(function(){
+      /*$("#homework_info_hidden").click(function(){
           $("#homeworkInformation").hide();
           $("#homework_info_hidden").hide();
           $("#homework_info_show").show();
@@ -43,7 +49,7 @@
           $("#homework_info_show").hide();
           $("#homeworkInformation").show();
           $("#homework_info_hidden").show();
-      });
+      });*/
 
       if($("#homework_description").height() > 54) {
           $("#homeworkDetailShow").show();
@@ -161,7 +167,7 @@
                 <span class="green_homework_btn_cir ml5" title="目前教师和教辅正在评阅">教师评阅中</span>
             <% end%>
         <% end%>
-        <span class="fr c_grey"> <a href="javascript:void(0);" class="linkGrey2" id="homework_info_hidden">[ 隐藏作业信息 ]</a> </span>
+        <span class="fr c_grey"> <a href="javascript:void(0);" class="linkGrey2" onclick="show_or_hide_info();" id="homework_info_hidden">[ 隐藏作业信息 ]</a> </span>
         <div class="cl"></div>
         <div class="fontGrey2 db mb5">发布者：<%= @homework.user.show_name %></div>
         <div class="homeworkDetail upload_img break_word list_style max_h54" id="homeworkDetail">