diff --git a/index.js b/index.js
index 5353af8..754cdfe 100644
--- a/index.js
+++ b/index.js
@@ -41,7 +41,7 @@ class XGPush {
   
   static register(account) {
     if (Platform.OS === 'ios') {
-      XGPushManager.setAccount(account);
+      !!account && XGPushManager.setAccount(account);
       return XGPushManager.requestPermissions({
         alert: true,
         badge: true,
diff --git a/package.json b/package.json
index 6721f5b..a2bc8a5 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "react-native-xinge-push",
-  "version": "0.2.1",
+  "version": "0.2.2",
   "description": "Xinge push for react-native",
   "main": "index.js",
   "scripts": {