diff --git a/app/controllers/users_controller.rb b/app/controllers/users_controller.rb
index b6ac28258..d3921d44a 100644
--- a/app/controllers/users_controller.rb
+++ b/app/controllers/users_controller.rb
@@ -198,7 +198,7 @@ class UsersController < ApplicationController
   # 系统消息
   def user_system_messages
     @sytem_messages = SystemMessage.order("created_at desc").all
-    @sytem_messages = paginateHelper @sytem_messages,25
+    @sytem_messages = paginateHelper @sytem_messages, 10
     respond_to do |format|
       format.html{render :layout=>'new_base_user'}
     end
diff --git a/app/views/comments/create.js.erb b/app/views/comments/create.js.erb
index 51cb4458e..7892ed773 100644
--- a/app/views/comments/create.js.erb
+++ b/app/views/comments/create.js.erb
@@ -1,3 +1,3 @@
 $("#user_activity_<%= @user_activity_id%>").replaceWith("<%= escape_javascript(render :partial => 'users/course_news', :locals => {:activity => @news,:user_activity_id =>@user_activity_id,:first_user_activity =>@first_user_activity,:page => @page}) %>");
 
-init_activity_KindEditor_data('<%= @user_activity_id%>',"","85%");
+init_activity_KindEditor_data('<%= @user_activity_id%>',"","87%");
diff --git a/app/views/issues/add_journal.js.erb b/app/views/issues/add_journal.js.erb
index edc722dbc..7c56aea6e 100644
--- a/app/views/issues/add_journal.js.erb
+++ b/app/views/issues/add_journal.js.erb
@@ -1,3 +1,3 @@
 $("#user_activity_<%= @user_activity_id%>").replaceWith("<%= escape_javascript(render :partial => 'users/project_issue', :locals => {:activity => @issue,:user_activity_id =>@user_activity_id,:first_user_activity =>@first_user_activity,:page => @page}) %>");
 
-init_activity_KindEditor_data(<%= @user_activity_id%>,"","85%");
\ No newline at end of file
+init_activity_KindEditor_data(<%= @user_activity_id%>,"","87%");
\ No newline at end of file
diff --git a/app/views/messages/reply.js.erb b/app/views/messages/reply.js.erb
index 3d4878cf7..4cd1a86d6 100644
--- a/app/views/messages/reply.js.erb
+++ b/app/views/messages/reply.js.erb
@@ -3,4 +3,4 @@
 <%elsif @course%>
     $("#user_activity_<%= @user_activity_id%>").replaceWith("<%= escape_javascript(render :partial => 'users/course_message', :locals => {:activity => @topic,:user_activity_id =>@user_activity_id,:first_user_activity =>@first_user_activity,:page => @page}) %>");
 <%end%>
-init_activity_KindEditor_data(<%= @user_activity_id%>,"","85%");
\ No newline at end of file
+init_activity_KindEditor_data(<%= @user_activity_id%>,"","87%");
\ No newline at end of file
diff --git a/app/views/users/_course_message.html.erb b/app/views/users/_course_message.html.erb
index a58c10f8c..dcd33e3c1 100644
--- a/app/views/users/_course_message.html.erb
+++ b/app/views/users/_course_message.html.erb
@@ -97,16 +97,16 @@
         </div>
     <% end %>
 
-    <div class="homepagePostReplyContainer borderBottomNone">
+    <div class="homepagePostReplyContainer borderBottomNone minHeight48"> /* id="reply_input_<%= user_activity_id%>" style="display: <%= (first_user_activity==user_activity_id && page==0)? '' : 'none'%>"*/
       <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">
+      <div class="homepagePostReplyInputContainer mt3">
         <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="">
               <input type="hidden" name="user_activity_id" value="<%=user_activity_id%>">
               <textarea placeholder="有问题或有建议，请直接给我留言吧！" style="display: none" nhname='new_message_textarea_<%= user_activity_id%>' name="reply[content]"></textarea>
-              <a id="new_message_submit_btn_<%= user_activity_id%>" href="javascript:void(0)" class="blue_n_btn fr" style="margin-top:6px;">发送</a>
               <div nhname='toolbar_container_<%= user_activity_id%>' style="float:left; margin-left: 5px; padding-top:3px;"></div>
+              <a id="new_message_submit_btn_<%= user_activity_id%>" href="javascript:void(0)" class="blue_n_btn fr" style="margin-top:6px;">发送</a>
               <div class="cl"></div>
               <p nhname='contentmsg_<%= user_activity_id%>'></p>
           <% end%>
diff --git a/app/views/users/_course_news.html.erb b/app/views/users/_course_news.html.erb
index 90680cf82..4d030737b 100644
--- a/app/views/users/_course_news.html.erb
+++ b/app/views/users/_course_news.html.erb
@@ -68,9 +68,9 @@
         </div>
     <% end %>
 
-    <div class="homepagePostReplyContainer borderBottomNone">
+    <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">
+      <div class="homepagePostReplyInputContainer mt3">
       <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 07f7c452b..4922ed882 100644
--- a/app/views/users/_project_issue.html.erb
+++ b/app/views/users/_project_issue.html.erb
@@ -113,9 +113,9 @@
         </div>
     <% end %>
 
-    <div class="homepagePostReplyContainer borderBottomNone">
+    <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">
+      <div class="homepagePostReplyInputContainer mt3">
       <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 d734ad982..2edfcbd44 100644
--- a/app/views/users/_project_message.html.erb
+++ b/app/views/users/_project_message.html.erb
@@ -82,9 +82,9 @@
         </div>
     <% end %>
 
-    <div class="homepagePostReplyContainer borderBottomNone">
+    <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">
+      <div class="homepagePostReplyInputContainer mt3">
       <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 ba9e970b6..225304185 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%>,"","85%");
+                init_activity_KindEditor_data(<%= user_activity.id%>,"","87%");
             });
         </script>
         <% act= user_activity.act unless user_activity.act_type == "ProjectCreateInfo" %>
diff --git a/app/views/users/user_system_messages.html.erb b/app/views/users/user_system_messages.html.erb
index cf0130547..3b8bd9fb6 100644
--- a/app/views/users/user_system_messages.html.erb
+++ b/app/views/users/user_system_messages.html.erb
@@ -39,8 +39,8 @@
         </div>
         <div class="homepagePostDes">
           <div class="homepagePostTo break_word">
-            <span class="fl"> Trustie平台 发布了系统消息：</span>
-            <span style="color:#0781b4; max-width:470px; display:block; overflow:hidden; white-space: nowrap; text-overflow:ellipsis;vertical-align: top;"><%= system_message.subject %></span>
+            <span class="fl"><span style="color:#0781b4;">Trustie平台 </span>发布了系统消息：</span>
+            <span style="color:#0781b4; max-width:470px; display:block; overflow:hidden; white-space: nowrap; text-overflow:ellipsis;vertical-align: top;"><%= system_message.subject.nil? ? "系统消息" : system_message.subject %></span>
           </div>
           <div class="cl"></div>
           <p class="homepagePostIntro break_word upload_img">
diff --git a/public/javascripts/init_activity_KindEditor.js b/public/javascripts/init_activity_KindEditor.js
index b73ff10d3..866d0ea41 100644
--- a/public/javascripts/init_activity_KindEditor.js
+++ b/public/javascripts/init_activity_KindEditor.js
@@ -1,10 +1,7 @@
-/**
- * Created by Alan on 2015/9/18.
- */
 function init_editor(params){
     // var minHeight;  //最小高度
-    var id = arguments[1] ? arguments[1] : undefined;
     var paramsHeight = params.height; //设定的高度
+    var id = arguments[1] ? arguments[1] : undefined;
     var paramsWidth = params.width == undefined ? "100%" : params.width;
 
     var editor = params.kindutil.create(params.textarea, {
@@ -13,19 +10,42 @@ function init_editor(params){
         minHeight:"30px",// == undefined ? "30px":paramsHeight+"px",
         items:['emoticons'],
         afterChange:function(){//按键事件
-            nh_check_field({content:this,contentmsg:params.contentmsg,textarea:params.textarea});
+
             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));
         },
+        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>');
+            }
+            //params.toolbar_container.hide();
+            $('#reply_image_' + id).addClass('imageFuzzy');
+            //this.resize("95%", null);
+            //params.submit_btn.css("display","none");
+        },
+        afterFocus: function(){
+            var edit = this.edit;
+            var body = edit.doc.body;
+            if(/^\s*<\w*\s*\w*\=\"\w*\"\s*\w*\=\"\w*\:\#\d*\;\"\>[\u4e00-\u9fa5]*<\/\w*\>\s*$/.test(edit.html())){
+                edit.html('');
+            }
+            params.contentmsg.hide();
+            // params.toolbar_container.show();
+            $('#reply_image_' + id).removeClass('imageFuzzy');
+            //edit.iframe.width(paramsWidth);
+            this.resize(paramsWidth, null);
+            params.submit_btn.show();
+        },
+
         afterCreate:function(){
             params.submit_btn.css("display","none");
             var toolbar = $("div[class='ke-toolbar']",params.div_form);
             toolbar.css('width',24);
             $(".ke-outline>.ke-toolbar-icon",toolbar).append('表情');
             params.toolbar_container.append(toolbar);
-            params.toolbar_container.style.display = 'none';
             //init
             var edit = this.edit;
             var body = edit.doc.body;
@@ -36,20 +56,10 @@ function init_editor(params){
             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));
+            // params.toolbar_container.hide();
 
-        },
-        afterFocus:function(){
-            $('#reply_image_' + id).removeClass('imageFuzzy');
-            //edit.iframe.width(paramsWidth);
-            this.resize(paramsWidth, null);
-            params.submit_btn.css('display','inline-block');
-        },
-
-        afterBlur:function(){
-            $('#reply_image_' + id).addClass('imageFuzzy');
-            this.resize("95%", null);
-            params.submit_btn.css("display","none");
         }
     }).loadPlugin('paste');
     return editor;
@@ -64,7 +74,7 @@ function nh_check_field(params){
         if(params.content.html()!=params.textarea.html() || params.issubmit==true){
             params.textarea.html(params.content.html());
             params.content.sync();
-            if(params.content.isEmpty()){
+            if(params.content.isEmpty() || /^\&\w*\;\w*\s*\w*\=\"\w*\"\s*\w*\=\"\w*\:\#\d*\;\"\&\w*\;[\u4e00-\u9fa5]*\&\w*\;\/\w*\&\w*\;$/.test(params.textarea.html())){
                 params.contentmsg.html('内容不能为空');
                 params.contentmsg.css({color:'#ff0000'});
             }else{
@@ -128,7 +138,7 @@ function init_activity_KindEditor_data(id){
             params.height = height;
             params.width = width;
             if (params.textarea.data('init') == undefined) {
-                params.editor = init_editor(params, id);
+                params.editor = init_editor(params,id);
                 init_form(params);
                 params.cancel_btn.click(function () {
                     nh_reset_form(params);
@@ -141,4 +151,4 @@ function init_activity_KindEditor_data(id){
             }
         });
     });
-}
+}
\ No newline at end of file
diff --git a/public/stylesheets/new_user.css b/public/stylesheets/new_user.css
index eaff43533..144589d5b 100644
--- a/public/stylesheets/new_user.css
+++ b/public/stylesheets/new_user.css
@@ -568,6 +568,7 @@ a.postTypeGrey:hover {color:#269ac9;}
 .homepagePostReply {width:710px; margin:0px auto; background-color:#f1f1f1; margin-top:10px;}
 .homepagePostReplyBanner {width:708px; height:33px; border:1px solid #e4e4e4; line-height:33px; vertical-align:middle; font-size:12px; color:#888888;}
 .borderBottomNone {border-bottom:none !important;}
+div.minHeight48{min-height: 48px;}
 .homepagePostReplyBannerCount{width:255px; display:inline-block; margin-left:20px;}
 .homepagePostReplyBannerTime{width:85px; display:inline-block;}
 .homepagePostReplyBannerMore{width:330px; display:inline-block; text-align:right;}
@@ -583,7 +584,7 @@ a.postReplyCancel {color:#888888; display:block;}
 a.postReplyCancel:hover {color:#ffffff;}
 .homepagePostReplyInputContainer2 {width:595px; margin:0px auto;}
 .homepagePostReplyInput2 {width:588px; height:45px; max-width:588px; max-height:45px; border:1px solid #d9d9d9; outline:none; margin:0px auto 10px auto;}
-.homepagePostReplyContainer {border-bottom:1px solid #e3e3e3; width:680px; margin:0px auto; margin-top:18px; min-height:48px;}
+.homepagePostReplyContainer {border-bottom:1px solid #e3e3e3; width:680px; margin:0px auto; margin-top:15px; min-height:60px;}
 .homepagePostSetting {position:absolute; width:20px; height:20px; right:0px; top:0px;}
 .homepagePostSetting ul li:hover ul {display:block;}
 .homepagePostSettingIcon {background:url(../images/homepage_icon.png) -93px -5px no-repeat; width:20px; height:20px;}