diff --git a/bytedesk_kefu/example/lib/main.dart b/bytedesk_kefu/example/lib/main.dart
index 464786e..c6401e8 100644
--- a/bytedesk_kefu/example/lib/main.dart
+++ b/bytedesk_kefu/example/lib/main.dart
@@ -7,6 +7,7 @@ import 'package:bytedesk_kefu_example/page/chat_type_page.dart';
 import 'package:bytedesk_kefu_example/page/history_thread_page.dart';
 import 'package:bytedesk_kefu_example/page/online_status_page.dart';
 import 'package:bytedesk_kefu_example/page/setting_page.dart';
+import 'package:bytedesk_kefu_example/page/switch_user_page.dart';
 import 'package:bytedesk_kefu_example/page/user_info_page.dart';
 import 'package:overlay_support/overlay_support.dart';
 import 'package:flutter/material.dart';
@@ -139,6 +140,16 @@ class _MyAppState extends State<MyApp> with WidgetsBindingObserver {
               }));
             },
           ),
+          ListTile(
+            title: Text('切换用户'),
+            trailing: Icon(Icons.keyboard_arrow_right),
+            onTap: () {
+              Navigator.of(context)
+                  .push(new MaterialPageRoute(builder: (context) {
+                return new SwitchUserPage();
+              }));
+            },
+          ),
           // ListTile(
           //   title: Text('退出登录'),
           //   onTap: () {
diff --git a/bytedesk_kefu/example/lib/page/switch_user_page.dart b/bytedesk_kefu/example/lib/page/switch_user_page.dart
new file mode 100755
index 0000000..dced185
--- /dev/null
+++ b/bytedesk_kefu/example/lib/page/switch_user_page.dart
@@ -0,0 +1,109 @@
+import 'package:bytedesk_kefu/bytedesk_kefu.dart';
+import 'package:flutter/material.dart';
+import 'package:fluttertoast/fluttertoast.dart';
+
+import 'user_info_page.dart';
+
+// 切换用户
+class SwitchUserPage extends StatefulWidget {
+  SwitchUserPage({Key? key}) : super(key: key);
+
+  @override
+  _SwitchUserPageState createState() => _SwitchUserPageState();
+}
+
+class _SwitchUserPageState extends State<SwitchUserPage> {
+  // 获取appkey，登录后台->渠道管理->Flutter->添加应用->获取appkey
+  String _appKey = '81f427ea-4467-4c7c-b0cd-5c0e4b51456f';
+  // 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";
+
+  @override
+  void initState() {
+    super.initState();
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+      appBar: AppBar(
+        title: Text('切换用户'),
+        elevation: 0,
+      ),
+      body: ListView(
+          children: ListTile.divideTiles(
+        context: context,
+        tiles: [
+          ListTile(
+            title: Text('用户信息'),
+            trailing: Icon(Icons.keyboard_arrow_right),
+            onTap: () {
+              _userInfo();
+            },
+          ),
+          ListTile(
+            title: Text('用户1男'),
+            onTap: () {
+              _userBoyLogin();
+            },
+          ),
+          ListTile(
+            title: Text('用户2女'),
+            onTap: () {
+              _userGirlLogin();
+            },
+          ),
+          ListTile(
+            title: Text('退出登录'),
+            onTap: () {
+              _userLogout();
+            },
+          ),
+        ],
+      ).toList()),
+    );
+  }
+
+  void _userInfo() {
+    Navigator.of(context).push(new MaterialPageRoute(builder: (context) {
+      return new UserInfoPage();
+    }));
+  }
+
+  void _userBoyLogin() {
+    if (BytedeskKefu.isLogin()) {
+      Fluttertoast.showToast(msg: '请先退出登录');
+      return;
+    }
+    _initWithUsernameAndNicknameAndAvatar(
+        "myflutteruserboy",
+        "我是帅哥flutter",
+        "https://bytedesk.oss-cn-shenzhen.aliyuncs.com/avatars/boy.png",
+        _appKey,
+        _subDomain);
+  }
+
+  void _userGirlLogin() {
+    if (BytedeskKefu.isLogin()) {
+      Fluttertoast.showToast(msg: '请先退出登录');
+      return;
+    }
+    Fluttertoast.showToast(msg: '登录中');
+    _initWithUsernameAndNicknameAndAvatar(
+        "myflutterusergirl",
+        "我是美女flutter",
+        "https://bytedesk.oss-cn-shenzhen.aliyuncs.com/avatars/girl.png",
+        _appKey,
+        _subDomain);
+  }
+
+  void _initWithUsernameAndNicknameAndAvatar(String username, String nickname,
+      String avatar, String appKey, String subDomain) {
+    BytedeskKefu.initWithUsernameAndNicknameAndAvatar(username, nickname, avatar, appKey, subDomain);
+  }
+
+  void _userLogout() {
+    Fluttertoast.showToast(msg: '退出中');
+    BytedeskKefu.logout();
+  }
+}
diff --git a/bytedesk_kefu/lib/ui/chat/page/chat_kf_page.dart b/bytedesk_kefu/lib/ui/chat/page/chat_kf_page.dart
index 943547a..df1b937 100755
--- a/bytedesk_kefu/lib/ui/chat/page/chat_kf_page.dart
+++ b/bytedesk_kefu/lib/ui/chat/page/chat_kf_page.dart
@@ -594,7 +594,7 @@ class _ChatKFPageState extends State<ChatKFPage>
                                   color: Colors.white
                                 ),
                                 // child: _textComposerWidget(),
-                                child: _chatInput(),
+                                child: (BytedeskUtils.isWeb || BytedeskUtils.isAndroid) ? _textComposerWidget() : _chatInput(),
                               ),
 
                             ],