diff --git a/app/views/layouts/_base_feedback.html.erb b/app/views/layouts/_base_feedback.html.erb
index 89faf39e3..62312932d 100644
--- a/app/views/layouts/_base_feedback.html.erb
+++ b/app/views/layouts/_base_feedback.html.erb
@@ -90,7 +90,7 @@ function f_submit()
 {
     var subject = $("#memo_subject").val();
     var content = $("#memo_content_1").val();
-    $("#memo_subject").val(subject+"："+ content.substr(0,18));
+    $("#memo_subject").val(subject+"："+ content.substr(0,18)+"...");
     $("#new_memo").submit();
 }
 
@@ -137,6 +137,20 @@ function cookieget(n)
             durationTime : 600
         });
     });
+
+    $(document).ready(function(){
+        $("#memo_content_1").keydown(function(){
+            var curLength=$("#memo_content_1").val().length;
+            if(curLength>=50){
+                var num=$("#memo_content_1").val().substr(0,49);
+                $("#memo_content_1").val(num);
+                alert("超过意见反馈内容字数限制，多出的内容将被截断！" );
+            }
+            else{
+                $("#textCount").text(49-$("#memo_content_1").val().length)
+            }
+        })
+    })
 </script>
 <div class="scrollsidebar" id="scrollsidebar" style="float: right">
     <div class="side_content">
@@ -149,7 +163,8 @@ function cookieget(n)
                     <%= f.hidden_field :subject,:required => true , :value => l(:label_feedback_value) %>
           			<%= f.text_area :content,:class => "opnionText",:id=>"memo_content_1" ,:placeholder => l(:label_feedback_tips)   %>
 		  			 <%#= f.submit :value => l(:label_memo_create), :class => "opnionButton", :id => "button1" %>
-          			<a href="javascript:void(0);" class="opnionButton" style=" color:#fff;" id="" onclick="f_submit();"><%= l(:label_submit)%></a>
+                      <label><span id="textCount">50</span>/50</label>
+                      <a href="javascript:void(0);" class="opnionButton" style=" color:#fff;" id="" onclick="f_submit();"><%= l(:label_submit)%></a>
 				  <% end %>
                 </div>
                 <div class="msgserver">
diff --git a/public/javascripts/feedback.js b/public/javascripts/feedback.js
index dfd3e10b2..c55cfd5c3 100644
--- a/public/javascripts/feedback.js
+++ b/public/javascripts/feedback.js
@@ -55,8 +55,8 @@ $(function(){
 function f_submit()
 {
     var subject = $("#memo_subject").val();
-    var content = $("#memo_content_1").val();
-    $("#memo_subject").val(subject+"："+ content.substr(0,18));
+    var content = $("#memo_content").val();
+    $("#memo_subject").val(subject+"："+ content.substr(0,18)+"...");
     $("#new_memo").submit();
 }
 
@@ -99,13 +99,6 @@ $(function(){
     });
 });
 
-function f_submit()
-{
-    var subject = $("#memo_subject").val();
-    var content = $("#memo_content").val();
-    $("#memo_subject").val(subject+"："+ content.substr(0,18));
-    $("#new_memo").submit();
-}
 
 
 $(document).ready(function () {