用户密码必须有英文字母，用户名选填2

app/Http/Controllers/Admin/AuthController.php

@@ -145,7 +145,7 @@ class AuthController extends Controller
 
             return $this->responseService->success([
                 'id' => $user['id'],
-                'name' => $user['name'] ?? $user['username'],
+                'name' => $user['name'] ?: $user['username'],
                 'email' => $user['email'],
                 'avatar' => $user['avatar'],
                 'roles' => $roles,