diff --git a/app/common/service/UserService.php b/app/common/service/UserService.php
index 9b19ee4..b715810 100644
--- a/app/common/service/UserService.php
+++ b/app/common/service/UserService.php
@@ -24,6 +24,9 @@ class UserService
 
     protected $logic;
 
+    // 字符集配置
+    protected static $characters = '0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ';
+
     public function __construct()
     {
         $this->logic = (new UserLogic());
@@ -253,7 +256,12 @@ class UserService
         // 用户信息
         $user = User::firstOrCreate(
             ['openid' => $wxinfo['openid']],
-            ['nickname' => '微信用户_'.$wxinfo['openid'], 'unionid' => $wxinfo['unionid'], 'name' => '', 'avatar' => getenv('MAIN_DOMAIN').'/avatar.png']
+            [
+                'nickname' => '微信用户_'.$wxinfo['openid'],
+                'unionid' => $wxinfo['unionid'],
+                'name' => '微信用户_' . self::generate(8),
+                'avatar' => 'bsh_datax/user/20251021/a4ee815405a1506abeec1af0f738f70f_68f6e76514b66.jpg'
+            ]
         );
 
 
@@ -281,4 +289,29 @@ class UserService
 
         return $wxinfo;
     }
+
+    /**
+     * 生成随机字符串编码
+     *
+     * @param int $length 字符串长度
+     * @param bool $uppercaseOnly 是否只使用大写字母
+     * @return string
+     */
+    public static function generate(int $length = 8, bool $uppercaseOnly = false): string
+    {
+        $characters = self::$characters;
+
+        if ($uppercaseOnly) {
+            $characters = '0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ';
+        }
+
+        $charactersLength = strlen($characters);
+        $randomString = '';
+
+        for ($i = 0; $i < $length; $i++) {
+            $randomString .= $characters[random_int(0, $charactersLength - 1)];
+        }
+
+        return $randomString;
+    }
 }
\ No newline at end of file