diff --git a/addons/shopro/controller/Index.php b/addons/shopro/controller/Index.php
index 09423c3..1872f42 100755
--- a/addons/shopro/controller/Index.php
+++ b/addons/shopro/controller/Index.php
@@ -10,6 +10,7 @@ use app\admin\model\shopro\decorate\Page;
 use app\common\library\Sms as Smslib;
 use app\admin\model\shopro\user\User as UserModel;
 use addons\shopro\facade\Wechat;
+use think\captcha\Captcha;
 use think\Hook;
 
 class Index extends Common
@@ -177,7 +178,7 @@ class Index extends Common
                 $auth = $userAuth->register(['mobile' => $mobile]);
                 set_token_in_header($auth->getToken());
 //                set_token_in_header($auth->getToken());
-//                $this->error(__('手机号未注册'));
+//                $this->error(__('手机号未注册'))
             }
         }
         if (!Hook::get('sms_send')) {
diff --git a/addons/shopro/controller/user/User.php b/addons/shopro/controller/user/User.php
index ea7d0a9..d76e8a0 100755
--- a/addons/shopro/controller/user/User.php
+++ b/addons/shopro/controller/user/User.php
@@ -135,7 +135,7 @@ class User extends Common
             $this->error('您已登录,不需要重新登录');
         }
 
-        $params = $this->request->only(['mobile', 'code']);
+        $params = $this->request->only(['mobile', 'code', 'user_code']);
         $this->svalidate($params, '.smsLogin');
         if (!Sms::check($params['mobile'], $params['code'], 'mobilelogin')) {
             $this->error(__('Captcha is incorrect'));
@@ -145,6 +145,15 @@ class User extends Common
             if ($user->status != 'normal') {
                 $this->error(__('Account is locked'));
             }
+            
+            //登录注册根据注册码绑定上级
+            if (!empty($params['user_code'])) {
+                $parent_user_id = UserModel::where('user_code', $params['user_code'])->value('id');
+                if (empty($parent_user_id)) {
+                    $user->parent_user_id = $parent_user_id;
+                    $user->save();
+                }
+            }
             //如果已经有账号则直接登录
             $ret = $this->auth->direct($user->id);
         }else {
diff --git a/addons/shopro/service/user/UserAuth.php b/addons/shopro/service/user/UserAuth.php
index a84f94f..a02829f 100755
--- a/addons/shopro/service/user/UserAuth.php
+++ b/addons/shopro/service/user/UserAuth.php
@@ -80,7 +80,8 @@ class UserAuth
         $extend = [
             'avatar' => !empty($params['avatar']) ? $params['avatar'] : $userDefaultConfig['avatar'],
             'nickname' => !empty($params['nickname']) ? $params['nickname'] : $userDefaultConfig['nickname'] . $username,
-            'group_id' => $userDefaultConfig['group_id'] ?? 1
+            'group_id' => $userDefaultConfig['group_id'] ?? 1,
+            'user_code' => Random::alnum(8)//用户邀请码
         ];
 
         $ret = $this->auth->register($username, $password, $email, $mobile, $extend);
diff --git a/application/common.php b/application/common.php
index c47c368..2788fd4 100755
--- a/application/common.php
+++ b/application/common.php
@@ -570,3 +570,16 @@ function dd($data) {
     print_r($data);
     exit();
 }
+
+if (!function_exists('get_code')) {
+    function get_code($len) {
+        $code = '';
+        $length = $len; // 验证码长度
+        $chars = '2345678abcdefhijkmnpqrstuvwxyzABCDEFGHJKLMNPQRTUVWXY'; // 验证码字符集
+
+        for ($i = 0; $i < $length; $i++) {
+            $code .= $chars[mt_rand(0, strlen($chars) - 1)];
+        }
+        return $code;
+    }
+}