diff --git a/lib/server/config.js b/lib/server/config.js
index 0d0a28f0..d171c573 100644
--- a/lib/server/config.js
+++ b/lib/server/config.js
@@ -73,7 +73,7 @@
                         is = Util.type.object(json);
                     
                     if (!is) {
-                        socket.emit('err', Error('wrong data type'));
+                        socket.emit('err', 'Error: Wrong data type!');
                     } else {
                         Object.keys(json).forEach(function(name) {
                             data = CloudFunc.formatMsg('config', name);
@@ -82,7 +82,7 @@
                         
                         save(function(error) {
                             if (error) {
-                                socket.emit('err', error);
+                                socket.emit('err', error.message);
                             } else {
                                 socket.broadcast.send(json);
                                 socket.send(json);