diff --git a/app/views/account/login.html.erb b/app/views/account/login.html.erb
index fadf5e465..b316aa406 100644
--- a/app/views/account/login.html.erb
+++ b/app/views/account/login.html.erb
@@ -128,6 +128,11 @@
         });
 
         $mail.blur(function (event) {
+            if (/^[a-z0-9]+([._\\-]*[a-z0-9])*@([a-z0-9]+[-a-z0-9]*[a-z0-9]+.){1,63}[a-z0-9]+$/.test(this.value) == false){
+                $('#mail_req').html( '<span style="color: red">邮件格式不对</span>').show();
+                $mail_correct = false;
+                return ;
+            }
             if ($(this).is('#user_mail')) {
                 $.get('<%=account_valid_ajax_path%>',
                         { valid: "mail",
diff --git a/app/views/forums/show.html.erb b/app/views/forums/show.html.erb
index 523ab1300..5bbc52db2 100644
--- a/app/views/forums/show.html.erb
+++ b/app/views/forums/show.html.erb
@@ -1,4 +1,56 @@
 <%= javascript_include_tag 'new_user','/assets/kindeditor/pasteimg','/assets/kindeditor/kindeditor' %>
+
+<div class="postRightContainer">
+  <div id="create_memo_div" style="display: none">
+    <div id="error" class="red fl mb10" style="display: none">error</div>
+    <%= labelled_form_for(@memo, :url => forum_memos_path(@forum)) do |f|  %>
+    <div>
+      <textarea type="text" name="memo[subject]" id="memo_subject" maxlength="50" onblur="check_memo_name();" onfocus="$('#error').hide();" onmouseover="this.style.borderColor='#d9d9d9'" class="postDetailInput" placeholder="输入帖子标题"  ></textarea>
+      <script>
+          var textarea1 = document.getElementById('memo_subject');
+          autoTextarea(textarea1);
+      </script>
+    </div>
+    <div class="mt15">
+      <%= kindeditor_tag 'memo[content]','',:height=>300,:editor_id=>'memo_content'%>
+    </div>
+    <div class="mt10">
+      <!--<a href="javascript:void(0);" class="AnnexBtn fl mt3">上传附件</a>-->
+      <%= render :partial => 'file_form', :locals => {:container => @memo} %>
+      <div class="fr">
+        <a href="javascript:void(0);" class="submit_btn" onclick="check_and_submit();">确定</a>
+      </div>
+      <div class="fr"><a href="javascript:void(0);" class="linkGrey2 mr10" onclick="create_cancle();">取消</a><span class="mr10 fontGrey">或</span></div>
+      <div class="cl"></div>
+    </div>
+    <% end %>
+  </div>
+  <div class="postDetailBanner">
+    <div class="postSort" id="complex"><a href="javascript:void(0);" class="linkGrey2 fl">综合</a><a href="javascript:void(0);" id="reorder_complex" class="sortArrowActiveD"></a><!--<a href="javascript:void(0);" class="sortArrowActiveD"></a>--></div>
+    <div class="postSort" id="popu"><a href="javascript:void(0);" class="linkGrey2 fl">人气</a><a href="javascript:void(0);"  id="reorder_popu" class=""></a></div>
+    <div class="postSort" id="time"><a href="javascript:void(0);" class="linkGrey2 fl">时间</a><a href="javascript:void(0);" id="reorder_time" class=""></a></div>
+    <div class="creatPost" id="create_memo_btn"><a href="javascript:void(0);" class="c_white db creatPostIcon bBlue" onclick="$('#error').hide();$('#create_memo_div').slideToggle();$(this).parent().slideToggle();">发布新帖</a></div>
+    <div class="cl"></div>
+  </div>
+  <div id="topics_list">
+    <%= render :partial => 'show_topics',:locals => {:memos=>@memos}%>
+  </div>
+  <ul class="wlist" id="pages" style="float: right;margin-top: 10px;">
+    <%= pagination_links_full @topic_pages, @topic_count ,:per_page_links => true, :remote => true, :flag => true %>
+  </ul>
+
+  <!--<div class="pageRoll">-->
+    <!--<div class="pageCell"><a href="javascript:void(0);" class="linkBlue">上一页</a></div>-->
+    <!--<div class="pageCell pageCellActive"><a href="javascript:void(0);" class="c_white">1</a></div>-->
+    <!--<div class="pageCell"><a href="javascript:void(0);" class="fontBlue">2</a></div>-->
+    <!--<div class="pageCell"><a href="javascript:void(0);" class="fontBlue">3</a></div>-->
+    <!--<div class="pageCell"><a href="javascript:void(0);" class="fontBlue">...</a></div>-->
+    <!--<div class="pageCell"><a href="javascript:void(0);" class="fontBlue">14</a></div>-->
+    <!--<div class="pageCell"><a href="javascript:void(0);" class="linkBlue">下一页</a></div>-->
+  <!--</div>-->
+  <!--<div class="cl"></div>-->
+</div>
+</div>
 <script>
     function add_class(id){
         if($("#"+id).hasClass("sortArrowActiveD")){
@@ -13,7 +65,7 @@
             $("#"+id).removeClass("sortArrowActiveU");
             $("#"+id).addClass("sortArrowActiveD");
             $.ajax({
-               type: 'GET',
+                type: 'GET',
                 url: '<%= forums_path+"/"+@forum.id.to_s %>' + '.js?' + id + '=desc&page='+<%= @topic_pages.page%>
 
             });
@@ -23,7 +75,7 @@
                 type: 'GET',
                 url: '<%= forums_path+"/"+@forum.id.to_s %>' + '.js?' + id + '=desc&page='+<%= @topic_pages.page%>
 
-           });
+            });
         }
     }
     $(function() {
@@ -49,8 +101,8 @@
             add_class("reorder_time");
         });
         <% if @errors %>
-            $('#create_memo_div').slideToggle();$('#create_memo_btn').slideToggle();
-            $("#error").html('<%= @errors.html_safe %>').show();
+        $('#create_memo_div').slideToggle();$('#create_memo_btn').slideToggle();
+        $("#error").html('<%= @errors.html_safe %>').show();
         <% end %>
     });
 
@@ -76,9 +128,10 @@
             $("#error").html("主题 过长（最长为 50 个字符）").show();
             return false;
         }
-       if(memo_content.html().length > 30000){
+        if(memo_content.html().length > 30000){
             $("#error").html("内容 过长（最长为 30000 个字符）").show();
-           return false;
+            $("html,body").animate({scrollTop:$("#error").offset().top},1000)
+            return false;
         }
         return true;
     }
@@ -90,55 +143,4 @@
         memo_content.html('')
         $('#error').html('').hide();
     }
-</script>
-<div class="postRightContainer">
-  <div id="create_memo_div" style="display: none">
-    <div id="error" class="red fl mb10" style="display: none">error</div>
-    <%= labelled_form_for(@memo, :url => forum_memos_path(@forum)) do |f|  %>
-    <div>
-      <textarea type="text" name="memo[subject]" id="memo_subject" maxlength="50" onblur="check_memo_name();" onfocus="$('#error').hide();" onmouseover="this.style.borderColor='#d9d9d9'" class="postDetailInput" placeholder="输入帖子标题"  ></textarea>
-      <script>
-          var textarea1 = document.getElementById('memo_subject');
-          autoTextarea(textarea1);
-      </script>
-    </div>
-    <div class="mt15">
-      <%= kindeditor_tag 'memo[content]','',:height=>300,:editor_id=>'memo_content'%>
-    </div>
-    <div class="mt10">
-      <!--<a href="javascript:void(0);" class="AnnexBtn fl mt3">上传附件</a>-->
-      <%= render :partial => 'file_form', :locals => {:container => @memo} %>
-      <div class="fr">
-        <a href="javascript:void(0);" class="submit_btn" onclick="check_and_submit();">确定</a>
-      </div>
-      <div class="fr"><a href="javascript:void(0);" class="linkGrey2 mr10" onclick="create_cancle();">取消</a><span class="mr10 fontGrey">或</span></div>
-      <div class="cl"></div>
-    </div>
-    <% end %>
-  </div>
-  <div class="postDetailBanner">
-    <div class="postSort" id="complex"><a href="javascript:void(0);" class="linkGrey2 fl">综合</a><a href="javascript:void(0);" id="reorder_complex" class="sortArrowActiveD"></a><!--<a href="javascript:void(0);" class="sortArrowActiveD"></a>--></div>
-    <div class="postSort" id="popu"><a href="javascript:void(0);" class="linkGrey2 fl">人气</a><a href="javascript:void(0);"  id="reorder_popu" class=""></a></div>
-    <div class="postSort" id="time"><a href="javascript:void(0);" class="linkGrey2 fl">时间</a><a href="javascript:void(0);" id="reorder_time" class=""></a></div>
-    <div class="creatPost" id="create_memo_btn"><a href="javascript:void(0);" class="c_white db creatPostIcon bBlue" onclick="$('#error').hide();$('#create_memo_div').slideToggle();$(this).parent().slideToggle();">发布新帖</a></div>
-    <div class="cl"></div>
-  </div>
-  <div id="topics_list">
-    <%= render :partial => 'show_topics',:locals => {:memos=>@memos}%>
-  </div>
-  <ul class="wlist" id="pages" style="float: right;margin-top: 10px;">
-    <%= pagination_links_full @topic_pages, @topic_count ,:per_page_links => true, :remote => true, :flag => true %>
-  </ul>
-
-  <!--<div class="pageRoll">-->
-    <!--<div class="pageCell"><a href="javascript:void(0);" class="linkBlue">上一页</a></div>-->
-    <!--<div class="pageCell pageCellActive"><a href="javascript:void(0);" class="c_white">1</a></div>-->
-    <!--<div class="pageCell"><a href="javascript:void(0);" class="fontBlue">2</a></div>-->
-    <!--<div class="pageCell"><a href="javascript:void(0);" class="fontBlue">3</a></div>-->
-    <!--<div class="pageCell"><a href="javascript:void(0);" class="fontBlue">...</a></div>-->
-    <!--<div class="pageCell"><a href="javascript:void(0);" class="fontBlue">14</a></div>-->
-    <!--<div class="pageCell"><a href="javascript:void(0);" class="linkBlue">下一页</a></div>-->
-  <!--</div>-->
-  <!--<div class="cl"></div>-->
-</div>
-</div>
\ No newline at end of file
+</script>
\ No newline at end of file
diff --git a/app/views/memos/edit.html.erb b/app/views/memos/edit.html.erb
index d26ebdbf8..b2b7d73f0 100644
--- a/app/views/memos/edit.html.erb
+++ b/app/views/memos/edit.html.erb
@@ -7,10 +7,11 @@
               $("#error").html('主题不能超过50个字符').show();
               return;
           }
-//          if(memo_content.html().trim().length > 5000 ){
-//              $("#error").html('内容不能超过5000个字符').show();
-//              return;
-//          }
+          if(memo_content.html().length > 30000){
+              $("#error").html("内容 过长（最长为 30000 个字符）").show();
+              $("html,body").animate({scrollTop:$("#error").offset().top},1000)
+              return false;
+          }
           memo_content.sync();
           $("#edit_memo").submit();
       }else if($("textarea[name='memo[subject]']").val().trim() == "" && !memo_content.isEmpty() ){
diff --git a/public/javascripts/feedback.js b/public/javascripts/feedback.js
index b30c8f91d..97209131e 100644
--- a/public/javascripts/feedback.js
+++ b/public/javascripts/feedback.js
@@ -1,5 +1,10 @@
 (function($){
     $.fn.fix = function(options){
+        var u = navigator.userAgent;
+        if((u.indexOf('Android') > -1 || u.indexOf('Linux') > -1 ||u.indexOf('iPhone') > -1 || u.indexOf('Mac') > -1)){
+            $("#scrollsidebar").css("display","none");
+            return;
+        }
         var defaults = {
             float : 'right',
             minStatue : true,
@@ -73,6 +78,11 @@ function cookieget(n)
 
 
 $(function(){
+    var u = navigator.userAgent;
+    if((u.indexOf('Android') > -1 || u.indexOf('Linux') > -1 ||u.indexOf('iPhone') > -1 || u.indexOf('Mac') > -1)){
+        $("#scrollsidebar").css("display","none");
+        return;
+    }
     $(".closeSidebar").click(function(){
         $(".show_btn").css("display","none");
         $("#scrollsidebar").css("display","none");
@@ -109,4 +119,30 @@ $(function(){
             $("#textCount").text(50-$("#subject").val().length)
         }
     });
-});
\ No newline at end of file
+});
+
+//var browser={
+//    versions:function(){
+//        var u = navigator.userAgent, app = navigator.appVersion;
+//        return {//移动终端浏览器版本信息
+//            trident: u.indexOf('Trident') > -1, //IE内核
+//            presto: u.indexOf('Presto') > -1, //opera内核
+//            webKit: u.indexOf('AppleWebKit') > -1, //苹果、谷歌内核
+//            gecko: u.indexOf('Gecko') > -1 && u.indexOf('KHTML') == -1, //火狐内核
+//            mobile: !!u.match(/AppleWebKit.*Mobile.*/)||!!u.match(/AppleWebKit/), //是否为移动终端
+//            ios: !!u.match(/\(i[^;]+;( U;)? CPU.+Mac OS X/), //ios终端
+//            android: u.indexOf('Android') > -1 || u.indexOf('Linux') > -1, //android终端或者uc浏览器
+//            iPhone: u.indexOf('iPhone') > -1 || u.indexOf('Mac') > -1, //是否为iPhone或者QQHD浏览器
+//            iPad: u.indexOf('iPad') > -1, //是否iPad
+//            webApp: u.indexOf('Safari') == -1 //是否web应该程序，没有头部与底部
+//        };
+//    }(),
+//    language:(navigator.browserLanguage || navigator.language).toLowerCase()
+//}
+//document.writeln("语言版本: "+browser.language);
+//document.writeln(" 是否为移动终端: "+browser.versions.mobile);
+//document.writeln(" ios终端: "+browser.versions.ios);
+//document.writeln(" android终端: "+browser.versions.android);
+//document.writeln(" 是否为iPhone: "+browser.versions.iPhone);
+//document.writeln(" 是否iPad: "+browser.versions.iPad);
+//document.writeln(navigator.userAgent);
\ No newline at end of file