diff --git a/app/views/users/_course_message.html.erb b/app/views/users/_course_message.html.erb
index 703882bd1..702e2d6b4 100644
--- a/app/views/users/_course_message.html.erb
+++ b/app/views/users/_course_message.html.erb
@@ -99,7 +99,7 @@
 
     <div class="homepagePostReplyContainer borderBottomNone minHeight48">
       <div class="homepagePostReplyPortrait mr15 imageFuzzy" id="reply_image_<%= user_activity_id%>"><%= link_to image_tag(url_to_avatar(User.current), :width => "33", :height => "33"), user_path(activity.author_id), :alt => "用户头像" %></div>
-      <div class="homepagePostReplyInputContainer mt3 mb10">
+      <div class="homepagePostReplyInputContainer  mb10">
         <div nhname='new_message_<%= user_activity_id%>' style="display:none;">
           <%= form_for('new_form',:url =>  {:controller=>'messages',:action => 'reply', :id => activity.id, :board_id => activity.board_id, :is_board => 'true'},:method => "post", :remote => true) do |f|%>
               <input type="hidden" name="quote[quote]" value="">
diff --git a/app/views/users/_course_news.html.erb b/app/views/users/_course_news.html.erb
index ef01022ce..64080136f 100644
--- a/app/views/users/_course_news.html.erb
+++ b/app/views/users/_course_news.html.erb
@@ -70,7 +70,7 @@
 
     <div class="homepagePostReplyContainer borderBottomNone minHeight48">
       <div class="homepagePostReplyPortrait mr15 imageFuzzy" id="reply_image_<%= user_activity_id%>"><%= link_to image_tag(url_to_avatar(User.current), :width => "33", :height => "33"), user_path(activity.author_id), :alt => "用户头像" %></div>
-      <div class="homepagePostReplyInputContainer mt3 mb10">
+      <div class="homepagePostReplyInputContainer mb10">
         <div nhname='new_message_<%= user_activity_id%>' style="display:none;">
           <%= form_for('new_form',:url =>  {:controller => 'comments', :action => 'create', :id => activity},:method => "post", :remote => true) do |f|%>
               <input type="hidden" name="user_activity_id" value="<%=user_activity_id%>">
diff --git a/app/views/users/_project_issue.html.erb b/app/views/users/_project_issue.html.erb
index 29bed1499..ce7b6a884 100644
--- a/app/views/users/_project_issue.html.erb
+++ b/app/views/users/_project_issue.html.erb
@@ -115,7 +115,7 @@
 
     <div class="homepagePostReplyContainer borderBottomNone minHeight48">
       <div class="homepagePostReplyPortrait mr15 imageFuzzy" id="reply_image_<%= user_activity_id%>"><%= link_to image_tag(url_to_avatar(User.current), :width => "33", :height => "33"), user_path(activity.author_id), :alt => "用户头像" %></div>
-      <div class="homepagePostReplyInputContainer mt3 mb10">
+      <div class="homepagePostReplyInputContainer mb10">
         <div nhname='new_message_<%= user_activity_id%>' style="display:none;">
           <%= form_for('new_form',:url =>  add_journal_issue_path(activity.id),:method => "post", :remote => true) do |f|%>
               <input type="hidden" name="user_activity_id" value="<%=user_activity_id%>">
diff --git a/app/views/users/_project_message.html.erb b/app/views/users/_project_message.html.erb
index 2cce8f83a..2b64ceb9d 100644
--- a/app/views/users/_project_message.html.erb
+++ b/app/views/users/_project_message.html.erb
@@ -84,7 +84,7 @@
 
     <div class="homepagePostReplyContainer borderBottomNone minHeight48">
       <div class="homepagePostReplyPortrait mr15 imageFuzzy" id="reply_image_<%= user_activity_id%>"><%= link_to image_tag(url_to_avatar(User.current), :width => "33", :height => "33"), user_path(activity.author_id), :alt => "用户头像" %></div>
-      <div class="homepagePostReplyInputContainer mt3 mb10">
+      <div class="homepagePostReplyInputContainer mb10">
         <div nhname='new_message_<%= user_activity_id%>' style="display:none;">
           <%= form_for('new_form',:url =>  {:controller=>'messages',:action => 'reply', :id => activity.id, :board_id => activity.board_id, :is_board => 'true'},:method => "post", :remote => true) do |f|%>
               <input type="hidden" name="quote[quote]" value="">
diff --git a/app/views/users/_user_activities.html.erb b/app/views/users/_user_activities.html.erb
index 225304185..ea9c572d9 100644
--- a/app/views/users/_user_activities.html.erb
+++ b/app/views/users/_user_activities.html.erb
@@ -36,7 +36,7 @@
             }
 
             $(function() {
-                init_activity_KindEditor_data(<%= user_activity.id%>,"","87%");
+                init_activity_KindEditor_data(<%= user_activity.id%>,null,"87%");
             });
         </script>
         <% act= user_activity.act unless user_activity.act_type == "ProjectCreateInfo" %>
diff --git a/public/javascripts/init_activity_KindEditor.js b/public/javascripts/init_activity_KindEditor.js
index 1e51067ef..bea7dc1e7 100644
--- a/public/javascripts/init_activity_KindEditor.js
+++ b/public/javascripts/init_activity_KindEditor.js
@@ -6,42 +6,49 @@ function init_editor(params){
 
     var editor = params.kindutil.create(params.textarea, {
         resizeType : 1,minWidth:"1px",width:"95%",
-        height:"30px",// == undefined ? "30px":paramsHeight+"px",
-        minHeight:"30px",// == undefined ? "30px":paramsHeight+"px",
+        height:"33px",// == undefined ? "30px":paramsHeight+"px",
+        minHeight:"33px",// == undefined ? "30px":paramsHeight+"px",
         items:['emoticons'],
         afterChange:function(){//按键事件
 
             var edit = this.edit;
             var body = edit.doc.body;
             edit.iframe.height(paramsHeight);
-            this.resize(null, Math.max((params.kindutil.IE ? body.scrollHeight : body.offsetHeight) + (paramsHeight == undefined ? 30:paramsHeight), paramsHeight));
+            this.resize(null, Math.max((params.kindutil.IE ? body.scrollHeight : body.offsetHeight) + paramsHeight , paramsHeight));
         },
         afterBlur:function(){
             nh_check_field({content:this,contentmsg:params.contentmsg,textarea:params.textarea});
             if(this.edit.html()=="") {
-                this.edit.html('<span id="hint" style="color: #808080">我要回复</span>');
+                this.edit.html('<span id="hint" style="color: #999999; font-size: 12px">我要回复</span>');
             }
             //params.toolbar_container.hide();
             $('#reply_image_' + id).addClass('imageFuzzy');
-            //this.resize("95%", null);
+            if(/^\s*<\w*\s*\w*\=\"\w*\"\s*\w*\=\"\w*\:\s*\#\d*\;\s*\w*\-\w*\:\s*\w*\;\"\>[\u4e00-\u9fa5]*<\/\w*\>\s*$/.test(this.edit.html())){
+                params.submit_btn.hide();
+                this.resize("95%", null);
+            }else if(edit.html().val().trim() != ""){
+                params.submit_btn.show();
+            }
+
             //params.submit_btn.css("display","none");
         },
         afterFocus: function(){
             var edit = this.edit;
             var body = edit.doc.body;
-            if(/^\s*<\w*\s*\w*\=\"\w*\"\s*\w*\=\"\w*\:\#\d*\;\"\>[\u4e00-\u9fa5]*<\/\w*\>\s*$/.test(edit.html())){
+            if(/^\s*<\w*\s*\w*\=\"\w*\"\s*\w*\=\"\w*\:\s*\#\d*\;\s*\w*\-\w*\:\s*\w*\;\"\>[\u4e00-\u9fa5]*<\/\w*\>\s*$/.test(edit.html())){
                 edit.html('');
             }
+            params.submit_btn.show();
             params.contentmsg.hide();
             // params.toolbar_container.show();
             $('#reply_image_' + id).removeClass('imageFuzzy');
             //edit.iframe.width(paramsWidth);
             this.resize(paramsWidth, null);
-            params.submit_btn.show();
+            //params.submit_btn.show();
         },
 
         afterCreate:function(){
-            params.submit_btn.css("display","none");
+            params.submit_btn.hide();
             var toolbar = $("div[class='ke-toolbar']",params.div_form);
             toolbar.css('width',24);
             $(".ke-outline>.ke-toolbar-icon",toolbar).append('表情');
@@ -52,12 +59,10 @@ function init_editor(params){
             edit.iframe[0].scroll = 'no';
             body.style.overflowY = 'hidden';
             //reset height
-            var edit = this.edit;
-            var body = edit.doc.body;
             paramsHeight = paramsHeight == undefined ? params.kindutil.removeUnit(this.height) : paramsHeight;
             edit.iframe.height(paramsHeight);
-            edit.html('<span id="hint" style="color: #808080">我要回复</span>');
-            this.resize(null, Math.max((params.kindutil.IE ? body.scrollHeight : body.offsetHeight)+ (paramsHeight == undefined ? 30:paramsHeight) , paramsHeight));
+            edit.html('<span id="hint" style="color: #999999; font-size: 12px">我要回复</span>');
+            this.resize(null,Math.max((params.kindutil.IE ? body.scrollHeight : body.offsetHeight)+ paramsHeight , paramsHeight));// Math.max((params.kindutil.IE ? body.scrollHeight : body.offsetHeight)+ paramsHeight , paramsHeight)
             // params.toolbar_container.hide();
 
         }
@@ -74,7 +79,7 @@ function nh_check_field(params){
         if(params.content.html()!=params.textarea.html() || params.issubmit==true){
             params.textarea.html(params.content.html());
             params.content.sync();
-            if(params.content.isEmpty() || /^\&\w*\;\w*\s*\w*\=\"\w*\"\s*\w*\=\"\w*\:\#\d*\;\"\&\w*\;[\u4e00-\u9fa5]*\&\w*\;\/\w*\&\w*\;$/.test(params.textarea.html())){
+            if(params.content.isEmpty() || /^\s*<\w*\s*\w*\=\"\w*\"\s*\w*\=\"\w*\:\s*\#\d*\;\s*\w*\-\w*\:\s*\w*\;\"\>[\u4e00-\u9fa5]*<\/\w*\>\s*$/.test(params.textarea.html())){
                 params.contentmsg.html('内容不能为空');
                 params.contentmsg.css({color:'#ff0000'});
             }else{
@@ -152,5 +157,5 @@ function init_activity_KindEditor_data(id){
         });
     });
 
-    $(".ke-edit").css("height","25px");
+    $(".ke-edit").css("height","33px");
 }
\ No newline at end of file