diff --git a/public/js/vroom.js b/public/js/vroom.js
index 6fac860..f7b2958 100644
--- a/public/js/vroom.js
+++ b/public/js/vroom.js
@@ -580,20 +580,24 @@ function initVroom(room) {
         room: roomName
       },
       error: function(data) {
-        var msg = (data && data.msg) ? data.msg : locale.ERROR_OCCURED;
-        $.notify(msg, 'error');
+        $.notify(locale.ERROR_OCCURED, 'error');
       },
       success: function(data) {
-        $.notify(data.msg, 'info');
-        if (action === 'lock'){
-          $("#lockLabel").addClass('btn-danger');
-          webrtc.sendToAll('room_locked', {});
+        if (data.status == 'success'){
+          $.notify(data.msg, 'info');
+          if (action === 'lock'){
+            $("#lockLabel").addClass('btn-danger');
+            webrtc.sendToAll('room_locked', {});
+          }
+          else{
+            $("#lockLabel").removeClass('btn-danger');
+            webrtc.sendToAll('room_unlocked', {});
+          }
         }
         else{
-          $("#lockLabel").removeClass('btn-danger');
-          webrtc.sendToAll('room_unlocked', {});
+          $.notify(data.msg, 'error');
         }
-      }
+      }  
     });
   });
 
diff --git a/public/vroom.pl b/public/vroom.pl
index 5e8c2f8..448f160 100755
--- a/public/vroom.pl
+++ b/public/vroom.pl
@@ -517,14 +517,15 @@ post '/action' => sub {
     unless ($res){
       return $self->render(
                json => {
-                 msg => $self->l('ERROR_OCCURED'),
+                 msg    => $self->l('ERROR_OCCURED'),
+                 status => 'error'
                },
-               status   => '500'
              );
     }
     return $self->render(
              json => {
-               msg => $success,
+               msg    => $success,
+               status => 'success'
              }
            );
   }