{"code":0,"message":"PDF转换器 API 服务正常运行","data":{"app":"PDF转换器","version":"1.0.0","server":"nginx + PHP","endpoints":{"POST index.php?action=upload":"文件上传","POST index.php?action=convert":"格式转换","POST index.php?action=login":"用户登录","GET  index.php?action=user":"获取用户信息","POST index.php?action=redeem":"兑换码验证","POST index.php?action=pay":"会员支付"}}}