diff --git a/app/views/student_work/new.html.erb b/app/views/student_work/new.html.erb
index 0a29d2f6e..a7e223ac1 100644
--- a/app/views/student_work/new.html.erb
+++ b/app/views/student_work/new.html.erb
@@ -79,10 +79,6 @@
       }
   }
 
-  var KE = {
-      MDU: "1234455",//当前文章标识符
-  };
-
   function nh_check_field(params){
       var result=true;
       if(!regexStudentWorkName()) {
@@ -90,14 +86,14 @@
           return result;
       }
       if(params.content!=undefined){
-          if(params.content.isEmpty()){
+          if(params.content.isEmpty() || /^\s*<\w*\s*\w*\=\"\w*\"\s*\w*\=\"\w*\:\s*\#\d*\;\s*\w*\-\w*\:\s*\w*\;\"\>[\u4e00-\u9fa5]*[\uFE30-\uFFA0][\u4e00-\u9fa5]*<\/\w*\>\s*$/.test(params.content.html())){
               result=false;
           }
           if(params.content.html()!=params.textarea.html() || params.issubmit==true){
               params.textarea.html(params.content.html());
               params.content.sync();
 
-              if(params.content.isEmpty()){
+              if(params.content.isEmpty() || /^\s*<\w*\s*\w*\=\"\w*\"\s*\w*\=\"\w*\:\s*\#\d*\;\s*\w*\-\w*\:\s*\w*\;\"\>[\u4e00-\u9fa5]*[\uFE30-\uFFA0][\u4e00-\u9fa5]*<\/\w*\>\s*$/.test(params.content.html())){
                   params.contentmsg.html('作品描述不能为空');
               }else{
                   params.contentmsg.html('');
@@ -150,6 +146,17 @@
               edit.iframe.height(150);
               this.resize(null, Math.max((params.kindutil.IE ? body.scrollHeight : body.offsetHeight) +  33, 150));
           },
+          afterBlur:function(){
+              if(this.isEmpty()) {
+                  this.edit.html("<span id='hint' style='color: #999999; font-size: 12px'>请在此输入作品描述，您可以直接在这里粘贴作业图片</span>");
+              }
+          },
+          afterFocus: function(){
+              var edit = this.edit;
+              if(/^\s*<\w*\s*\w*\=\"\w*\"\s*\w*\=\"\w*\:\s*\#\d*\;\s*\w*\-\w*\:\s*\w*\;\"\>[\u4e00-\u9fa5]*[\uFE30-\uFFA0][\u4e00-\u9fa5]*<\/\w*\>\s*$/.test(edit.html())){
+                  edit.html('');
+              }
+          },
           afterCreate:function(){
               //init
               var edit = this.edit;
@@ -159,7 +166,7 @@
               //reset height
               var edit = this.edit;
               var body = edit.doc.body;
-              edit.html(params.textarea.innerHTML);
+              edit.html("<span id='hint' style='color: #999999; font-size: 12px'>请在此输入作品描述，您可以直接在这里粘贴作业图片</span>");
               //paramsHeight = params.kindutil.removeUnit(this.height);
               edit.iframe.height(150);
               this.resize(null, Math.max((params.kindutil.IE ? body.scrollHeight : body.offsetHeight) , 150));
diff --git a/app/views/users/user_homeworks.html.erb b/app/views/users/user_homeworks.html.erb
index 683cb7019..2cd1f5b21 100644
--- a/app/views/users/user_homeworks.html.erb
+++ b/app/views/users/user_homeworks.html.erb
@@ -58,7 +58,7 @@
         </ul>
         <div class="cl"></div>
         <div id="homework_search_input" class="mt10 fl">
-            <%=render :partial=>'homework_repository_search', :locals=>{:type => @type,:is_import => 0,:property => @property} %>
+            <%=render :partial=>'homework_repository_search', :locals=>{:type => @type,:is_import => 0,:property => nil} %>
         </div>
         <div class="cl"></div>
         <div class="w683 fl mr10 mt10" id="homework_repository_list">