diff --git a/app/admin/lang/en.php b/app/admin/lang/en.php
index 5ba1100a5..be4300e79 100644
--- a/app/admin/lang/en.php
+++ b/app/admin/lang/en.php
@@ -177,6 +177,7 @@ return [
         'base_item_redis_cache_title'           => 'Redis Cache Config',
         'base_item_crontab_config_title'        => 'Timing Script Config',
         'base_item_quick_nav_title'             => 'Quick Navigation',
+        'base_item_user_base_title'             => 'User Base',
         'base_item_user_address_title'          => 'User Address',
         'base_item_multilingual_title'          => 'Multilingual',
         'base_item_site_auto_mode_title'        => 'Automatic Mode',
@@ -216,6 +217,10 @@ return [
             '1. Click the title of the item to drag and sort it and display it in order',
             '2. It is not recommended to add many goods, which will lead to too large blank area on the left side of the PC',
         ],
+        'user_unique_system_type_model_tips_list'=> [
+            '1. By default, [User Name, Mobile Phone, Email] is used as the unique user',
+            '2. If enabled, add the [System ID] and act as the unique user',
+        ],
         'extends_crontab_tips'                  => 'It is recommended that you add the script address to the timing request of the Linux scheduled task (the result is SUCS: 0, FAIL: 0, followed by the colon is the number of data processed, SUCS succeeded, FALI failed)',
         'left_images_random_tips'               => 'The left picture can upload up to 3 pictures, and one of them can be displayed randomly each time',
         'background_color_tips'                 => 'Customizable background image, default background gray',
diff --git a/app/admin/lang/zh.php b/app/admin/lang/zh.php
index e2c778dea..4f4ba6b8b 100755
--- a/app/admin/lang/zh.php
+++ b/app/admin/lang/zh.php
@@ -177,6 +177,7 @@ return [
         'base_item_redis_cache_title'           => 'redis缓存配置',
         'base_item_crontab_config_title'        => '定时脚本配置',
         'base_item_quick_nav_title'             => '快捷导航',
+        'base_item_user_base_title'             => '用户基础',
         'base_item_user_address_title'          => '用户地址',
         'base_item_multilingual_title'          => '多语言',
         'base_item_site_auto_mode_title'        => '自动模式',
@@ -216,6 +217,10 @@ return [
             '1. 可点击商品标题拖拽排序、按照顺序展示',
             '2. 不建议添加很多商品、会导致PC端左侧空白区域太大',
         ],
+        'user_unique_system_type_model_tips_list'=> [
+            '1. 默认以【用户名、手机、邮箱】作为用户唯一',
+            '2. 开启则加入【系统标识】并行作为用户唯一',
+        ],
         'extends_crontab_tips'                  => '建议将脚本地址添加到linux定时任务定时请求即可（结果 sucs:0, fail:0 冒号后面则是处理的数据条数，sucs成功，fali失败）',
         'left_images_random_tips'               => '左侧图片最多可上传3张图片、每次随机展示其中一张',
         'background_color_tips'                 => '可自定义背景图片、默认底灰色',
diff --git a/app/admin/view/default/site/siteset/extends.html b/app/admin/view/default/site/siteset/extends.html
index 879bb2f77..385dd15c7 100644
--- a/app/admin/view/default/site/siteset/extends.html
+++ b/app/admin/view/default/site/siteset/extends.html
@@ -101,6 +101,29 @@
                 </div>
             </div>
 
+            <!-- 用户基础 -->
+            <div class="am-panel am-panel-default am-margin-top-sm">
+                <div class="am-panel-hd">
+                    <h3 class="am-panel-title">{{:MyLang('site.base_item_user_base_title')}}</h3>
+                </div>
+                <div class="am-panel-bd am-padding-vertical-xs">
+                    <div class="am-form-group">
+                        <label>{{$data.common_user_unique_system_type_model.name}}<span class="am-form-group-label-tips">{{$data.common_user_unique_system_type_model.describe}}</span></label>
+                        <select name="{{$data.common_user_unique_system_type_model.only_tag}}" class="am-radius chosen-select" data-validation-message="{{$data.common_user_unique_system_type_model.error_tips}}" required>
+                            {{foreach $common_close_open_list as $v}}
+                                <option value="{{$v.value}}" {{if isset($data['common_user_unique_system_type_model']['value']) and $data['common_user_unique_system_type_model']['value'] eq $v['value']}}selected{{/if}}>{{$v.name}}</option>
+                            {{/foreach}}
+                        </select>
+                        {{if is_array(MyLang('site.user_unique_system_type_model_tips_list'))}}
+                            <div class="am-alert am-alert-warning" data-am-alert>
+                                <button type="button" class="am-close">&times;</button>
+                                <p>{{:implode('</p><p>', MyLang('site.user_unique_system_type_model_tips_list'))}}</p>
+                            </div>
+                        {{/if}}
+                    </div>
+                </div>
+            </div>
+
             <!-- 用户地址 -->
             <div class="am-panel am-panel-default am-margin-top-sm">
                 <div class="am-panel-hd">
@@ -123,7 +146,6 @@
                             {{/foreach}}
                         </select>
                     </div>
-
                     <div class="am-form-group">
                         <label>{{$data.home_extraction_address_position.name}}<span class="am-form-group-label-tips">{{$data.home_extraction_address_position.describe}}</span></label>
                         <select name="{{$data.home_extraction_address_position.only_tag}}" class="am-radius chosen-select" data-validation-message="{{$data.home_extraction_address_position.error_tips}}" required>
diff --git a/app/service/UserService.php b/app/service/UserService.php
index 49278d583..3d419e0f6 100755
--- a/app/service/UserService.php
+++ b/app/service/UserService.php
@@ -1145,7 +1145,8 @@ class UserService
         }
 
         // 获取用户账户信息
-        $user = self::UserBaseInfo($ac['data'], $params['accounts']);
+        $method = self::UserUniqueMethod();
+        $user = self::$method($ac['data'], $params['accounts']);
         if(empty($user))
         {
             return DataReturn(MyLang('accounts_error_tips'), -3);
@@ -1531,10 +1532,24 @@ class UserService
      */
     private static function IsExistAccounts($accounts, $field = 'mobile')
     {
-        $temp = self::UserBaseInfo($field, $accounts, 'id');
+        $method = self::UserUniqueMethod();
+        $temp = self::$method($field, $accounts, 'id');
         return !empty($temp);
     }
 
+    /**
+     * 用户校验唯一方法
+     * @author  Devil
+     * @blog    http://gong.gg/
+     * @version 1.0.0
+     * @date    2023-03-22
+     * @desc    description
+     */
+    public static function UserUniqueMethod()
+    {
+        return (MyC('common_user_unique_system_type_model') == 1) ? 'UserInfo' : 'UserBaseInfo';
+    }
+
     /**
      * 是否开启图片验证码校验
      * @author   Devil
@@ -2463,24 +2478,26 @@ class UserService
      */
     public static function UserInsert($data, $params = [])
     {
+        // 用户唯一方法
+        $method = self::UserUniqueMethod();
         // 用户名、手机、邮箱不允许重复注册
         if(!empty($data['username']))
         {
-            $temp = self::UserBaseInfo('username', $data['username']);
+            $temp = self::$method('username', $data['username']);
             if(!empty($temp))
             {
                 return DataReturn(str_replace('{$var}', $data['username'], MyLang('common_service.user.save_user_already_exist_tips')), -10);
             }
         } else if(!empty($data['mobile']))
         {
-            $temp = self::UserBaseInfo('mobile', $data['mobile']);
+            $temp = self::$method('mobile', $data['mobile']);
             if(!empty($temp))
             {
                 return DataReturn(MyLang('common_service.user.mobile_already_exist_tips'), -10);
             }
         } else if(!empty($data['email']))
         {
-            $temp = self::UserBaseInfo('email', $data['email']);
+            $temp = self::$method('email', $data['email']);
             if(!empty($temp))
             {
                 return DataReturn(MyLang('common_service.user.email_already_exist_tips'), -10);