diff --git a/app/views/student_work/_evaluation_un_work.html.erb b/app/views/student_work/_evaluation_un_work.html.erb
index ebe3d4cc6..2a0962244 100644
--- a/app/views/student_work/_evaluation_un_work.html.erb
+++ b/app/views/student_work/_evaluation_un_work.html.erb
@@ -5,7 +5,7 @@
       <li class="hworkPortrait mt15 mr10">
         <%= link_to(image_tag(url_to_avatar(student_work.user),:width =>"40",:height => "40"),user_activities_path(student_work.user)) %>
       </li>
-      <div onclick="show_student_work('<%= student_work_path(student_work)%>');" style="cursor: pointer;">
+      <div onclick="show_student_work('<%= student_work_path(student_work)%>');" style="cursor: pointer;" class="student_work_<%= student_work.id%>">
         <li class="hworkName mt15 mr15 <%= @homework.homework_type == 2 ? '' : 'width165'%>">
           <% student_work_name = student_work.name.nil? || student_work.name.empty? ? student_work.user.show_name + '的作品' : student_work.name%>
           <div>
@@ -25,7 +25,7 @@
       </div>
     </ul>
   </li>
-  <li class="hworkList130 c_grey" onclick="show_student_work('<%= student_work_path(student_work)%>');" style="cursor: pointer;">
+  <li class="hworkList130 c_grey student_work_<%= student_work.id%>" onclick="show_student_work('<%= student_work_path(student_work)%>');" style="cursor: pointer;">
     <% if student_work.created_at && @homework.end_time%>
         <%= Time.parse(format_time(student_work.created_at)).strftime("%m-%d %H:%M")%>&nbsp;
         <% if Time.parse(@homework.end_time.to_s).strftime("%Y-%m-%d") < Time.parse(format_time(student_work.created_at)).strftime("%Y-%m-%d") %>
@@ -80,6 +80,15 @@
         </div>
     <% end%>
   </li>
-  <li class="hworkTip" style="display: none"><em></em><span></span><font class="fontGrey2">点击查看详情</font></li>
+  <li class="hworkTip" style="display: none" id="work_click_<%= student_work.id%>"><em></em><span></span><font class="fontGrey2">点击查看详情</font></li>
 </ul>
+<script type="text/javascript">
+    $(".student_work_<%= student_work.id%>").mouseenter(function(){
+        if($("#about_hwork_<%= student_work.id%>").html().trim() == "") {
+            $("#work_click_<%= student_work.id%>").show();
+        }
+    }).mouseleave(function(){
+        $("#work_click_<%= student_work.id%>").hide();
+    }).mouse;
+</script>
 
diff --git a/app/views/student_work/_evaluation_work.html.erb b/app/views/student_work/_evaluation_work.html.erb
index 81d868a50..e336b0282 100644
--- a/app/views/student_work/_evaluation_work.html.erb
+++ b/app/views/student_work/_evaluation_work.html.erb
@@ -7,13 +7,13 @@
           <li class="hworkPortrait mt15 mr10">
             <%= image_tag(url_to_avatar(student_work.user),width:"40", height: "40") %>
           </li>
-          <li class="hworkName mt15 mr15 width285">
+          <li class="hworkName mt15 mr15 width285 student_work_<%= student_work.id%>">
             <% student_work_name = student_work.name.nil? || student_work.name.empty? ? student_work.user.show_name + '的作品' : student_work.name%>
             <div>
               <%= link_to student_work_name, student_work_path(student_work),:remote => true,:title => student_work_name, :class => "linkGrey f14 StudentName break_word width285"%>
             </div>
           </li>
-          <li onclick="show_student_work('<%= student_work_path(student_work)%>');" style="cursor: pointer;">
+          <li onclick="show_student_work('<%= student_work_path(student_work)%>');" style="cursor: pointer;" class="student_work_<%= student_work.id%>">
             <ul class="mt10 fl">
               <li class="hworkStName mr10 mt16" title="姓名">
                 <%= student_work.user.show_name%>
@@ -27,12 +27,12 @@
           <li class="hworkPortrait mt15 mr10">
             <%= image_tag(url_to_avatar(""),width:"40", height: "40") %>
           </li>
-          <li class="hworkName mt15 mr15 width285">
+          <li class="hworkName mt15 mr15 width285 student_work_<%= student_work.id%>">
             <div>
               <%= link_to "匿名的作品", student_work_path(student_work),:remote => true,:title => student_work_name, :class => "linkGrey f14 StudentName break_word width285"%>
             </div>
           </li>
-          <li onclick="show_student_work('<%= student_work_path(student_work)%>');" style="cursor: pointer;">
+          <li onclick="show_student_work('<%= student_work_path(student_work)%>');" style="cursor: pointer;" class="student_work_<%= student_work.id%>">
             <ul class="mt10 fl">
               <li class="hworkStName mr10 mt16" title="姓名">
                 匿名
@@ -46,7 +46,7 @@
 
     </ul>
   </li>
-  <li class="hworkList130 c_grey" onclick="show_student_work('<%= student_work_path(student_work)%>');" style="cursor: pointer;">
+  <li class="hworkList130 c_grey student_work_<%= student_work.id%>" onclick="show_student_work('<%= student_work_path(student_work)%>');" style="cursor: pointer;">
     <%= Time.parse(format_time(student_work.created_at)).strftime("%m-%d %H:%M")%>&nbsp;
     <% if Time.parse(@homework.end_time.to_s).strftime("%Y-%m-%d") < Time.parse(format_time(student_work.created_at)).strftime("%Y-%m-%d") %>
         <span class="c_red">[迟交]</span>
@@ -58,6 +58,13 @@
   <li class="hworkList50 <%= my_score.nil? ? 'c_grey' : score_color(my_score.score)%> mr10">
     <%= my_score.nil? ? "--" : format("%.1f",my_score.score)%>
   </li>
-  <li class="hworkTip" style="display: none"><em></em><span></span><font class="fontGrey2">点击查看详情</font></li>
+  <li class="hworkTip" style="display: none" id="work_click_<%= student_work.id%>"><em></em><span></span><font class="fontGrey2">点击查看详情</font></li>
 </ul>
+<script type="text/javascript">
+    $(".student_work_<%= student_work.id%>").mouseenter(function(){
+        $("#work_click_<%= student_work.id%>").show();
+    }).mouseleave(function(){
+        $("#work_click_<%= student_work.id%>").hide();
+    }).mouse;
+</script>