diff --git a/lib/client/contact.js b/lib/client/contact.js
index 58b1c59b..d4e588fe 100644
--- a/lib/client/contact.js
+++ b/lib/client/contact.js
@@ -12,7 +12,7 @@ var CloudCmd, Util, DOM, olark;
             Inited  = false,
             DIR     = CloudCmd.LIBDIRCLIENT;
         
-        function init(pCallBack) {
+        function init(callback) {
             if (!Inited) {
                 Contact.show = show;
                 Contact.hide = hide;
@@ -26,7 +26,7 @@ var CloudCmd, Util, DOM, olark;
                     olark('api.box.onShrink',   Contact.hide);
                     
                     DOM.Events.addKey(listener);
-                    Util.exec(pCallBack);
+                    Util.exec(callback);
                 });
             }
         }