{"appid":"","mchid":"","description":"微信支付PC25071811305410007","out_trade_no":"PC25071811305410007","notify_url":"","amount":{"total":10200},"payer":{"openid":"oMerw6_OG2ORxcksDPaamLuMmo_w"}}

统一下单响应 IJPayHttpResponse{body='{"code":"PARAM_ERROR","detail":{"location":null,"value":["/body/payer/openid"]},"message":"请求中含有未在API文档中定义的参数"}', status=400, headers={Keep-Alive=[timeout=8], null=[HTTP/1.1 400 Bad Request], Wechatpay-Timestamp=[1752809454], Server=[nginx], X-Content-Type-Options=[nosniff], Connection=[keep-alive], Wechatpay-Signature-Type=[WECHATPAY2-SHA256-RSA2048], Date=[Fri, 18 Jul 2025 03:30:54 GMT], Wechatpay-Serial=[7E04D943E5762C72CC35D65926907F13AA4C18], Wechatpay-Nonce=[96b94b11b9050379238508af8725b25], Wechatpay-Signature=[iXKpOtkRJiWznnU5mUYcZjXGKiKFIvgeylpSeSv+qIEwTJDU+qRM5KOahSR9IFAvWxhq8bStUnvA4YXon31pd4HhXiCAyxEgLnsZ2IoCsBvr9G6x5Xdumt8wGHHKEk6VFExWoSXzCppTWIuSh7itC+HKcn/hhAcobszzNXMaD6UrFjxVD0M2m1J8d41hwXDhfSTgOphpekL8AK8xor8mFFLIK1xC7Th82O2Jgx/ckn2h1fEeqTlcouPmD8LRtWu3NoZP+bCBCO8YKYzVwUMWK/RdhtxDjtvRsTogToCp2/Jd5B7a/kqNPgtM4H28xtQ5R1CqcjjzOMMCgnDsnLYQ==], Cache-Control=[no-cache, must-revalidate], Content-Length=[141], Content-Language=[zh-CN], Request-ID=[08EEFFE6C30610A3018E4AC055208A8B09289C8E05-270924358], Content-Type=[application/json; charset=utf-8]}}