diff --git a/app/views/layouts/_base_feedback.html.erb b/app/views/layouts/_base_feedback.html.erb
index fb5e8f2ab..8e850b7ed 100644
--- a/app/views/layouts/_base_feedback.html.erb
+++ b/app/views/layouts/_base_feedback.html.erb
@@ -149,7 +149,18 @@ function cookieget(n)
                 $("#textCount").text(49-$("#subject").val().length)
             }
         })
+        $("#subject").keyup(function(){
+            var curLength=$("#subject").val().length;
+            if(curLength>=50){
+                var num=$("#subject").val().substr(0,49);
+                $("#subject").val(num);
+            }
+            else{
+                $("#textCount").text(50-$("#subject").val().length)
+            }
+        })
     })
+
 </script>
 <div class="scrollsidebar" id="scrollsidebar" style="float: right">
     <div class="side_content">
diff --git a/public/javascripts/feedback.js b/public/javascripts/feedback.js
index 5b06be7e6..6ba244d6d 100644
--- a/public/javascripts/feedback.js
+++ b/public/javascripts/feedback.js
@@ -121,7 +121,7 @@ $(document).ready(function(){
             $("#subject").val(num);
         }
         else{
-            $("#textCount").text(49-$("#subject").val().length);
+            $("#textCount").text(50-$("#subject").val().length);
         }
     })
 })
\ No newline at end of file