diff --git a/lib/base/userinfo_viewmodel.dart b/lib/base/userinfo_viewmodel.dart
index 802339e..3c6f399 100644
--- a/lib/base/userinfo_viewmodel.dart
+++ b/lib/base/userinfo_viewmodel.dart
@@ -26,8 +26,7 @@ class UserInfoViewModel {
     _useSecertLogined = SpUtil.getBool(spSecretLogined, defValue: false);
     _host = SpUtil.getString(spHost, defValue: '');
 
-    List<dynamic>? tempList =
-        jsonDecode(SpUtil.getString(spLoginHistory, defValue: '[]'));
+    List<dynamic>? tempList = jsonDecode(SpUtil.getString(spLoginHistory, defValue: '[]'));
 
     if (tempList != null && tempList.isNotEmpty) {
       for (Map<String, dynamic> value in tempList) {
@@ -41,8 +40,7 @@ class UserInfoViewModel {
     SpUtil.putString(spUserInfo, token);
   }
 
-  void updateUserName(
-      String host, String userName, String password, bool secretLogin) {
+  void updateUserName(String host, String userName, String password, bool secretLogin) {
     updateHost(host);
     _useSecretLogin(secretLogin);
     _userName = userName;
@@ -95,13 +93,11 @@ class UserInfoViewModel {
 
     historyAccounts.removeWhere((element) => element.host == _host);
 
-    historyAccounts.insert(
-        0,
-        UserInfoBean(
-            userName: _userName,
-            password: _passWord,
-            useSecretLogined: _useSecertLogined,
-            host: _host));
+    historyAccounts.insert(0, UserInfoBean(userName: _userName, password: _passWord, useSecretLogined: _useSecertLogined, host: _host));
+
+    while (historyAccounts.length > 5) {
+      historyAccounts.removeLast();
+    }
 
     SpUtil.putString(spLoginHistory, jsonEncode(historyAccounts));
   }
@@ -121,8 +117,7 @@ class UserInfoBean {
   bool useSecretLogined = false;
   String? host;
 
-  UserInfoBean(
-      {this.userName, this.password, this.useSecretLogined = false, this.host});
+  UserInfoBean({this.userName, this.password, this.useSecretLogined = false, this.host});
 
   UserInfoBean.fromJson(Map<String, dynamic> json) {
     userName = json['userName'];