diff --git a/bytedesk_demo/lib/main.dart b/bytedesk_demo/lib/main.dart
index d5fe82f..2a9e54c 100644
--- a/bytedesk_demo/lib/main.dart
+++ b/bytedesk_demo/lib/main.dart
@@ -25,12 +25,11 @@ void main() {
   // 管理后台：https://www.bytedesk.com/antv/user/login
   // appkey和subDomain请替换为真实值
   // 获取appkey，登录后台->客服管理->渠道管理->添加应用->appkey
-  String _androidKey = "66390193-b2c1-4edb-aa5f-50b1541059e8";
-  String _iOSKey = "201809171553112";
+  String _appKey = "45c513b8-0331-414c-8412-7e2cdfb3eb9f";
   // 获取subDomain，也即企业号：登录后台->客服管理->客服账号->企业号
   String _subDomain = "vip";
   // 第一步：匿名登录
-  BytedeskKefu.anonymousLogin(_androidKey, _iOSKey, _subDomain);
+  BytedeskKefu.anonymousLogin(_appKey, _subDomain);
 }
 
 class MyApp extends StatefulWidget {
diff --git a/bytedesk_demo/pubspec.yaml b/bytedesk_demo/pubspec.yaml
index 110fe90..2a00d8f 100644
--- a/bytedesk_demo/pubspec.yaml
+++ b/bytedesk_demo/pubspec.yaml
@@ -40,7 +40,7 @@ dependencies:
   # 请在ios/Podfile中添加：use_frameworks! 
   vibration: ^1.7.2
   # https://pub.dev/packages/bytedesk_kefu
-  bytedesk_kefu: ^0.3.8
+  bytedesk_kefu: ^0.4.0
 
 
   # The following adds the Cupertino Icons font to your application.