请求地址：https://api.weixin.qq.com/retail/B2b/refund?access_token=84_qGSu4zasllSKLHHITY9QHhxPJhIMj3xG3ooutS8IQ4ZSgesDP1V5nO4oxQa9hMDJfRFclzN5hBOlJc0FUFepZ7i6whawkA0kEzLeYS2DUVtZY2-BRtjyF-5TogQSMBfADALFU&pay_sig=b28d627e8464832b27f9955c76b093969e1c7a9f389d5bd97682aafe271f6ca7 请求数据：{"mchid":"1686022399","out_trade_no":"20240923142431232065","order_id":"o202409231551411832182491","out_refund_no":"r2024092611365718323558","refund_amount":100,"refund_from":1} 响应结果：{"errcode":9403200,"errmsg":"参数为空或非法 detail:[支付签名[pay_sig]校验失败] rid: 66f4d6da-72a6c1db-136fbf81"} $signData = [ "mchid" => "1686022399", "out_trade_no" => "20240923142431232065", "order_id" => "o202409231551411832182491", "out_refund_no" => "r2024092611365718323558", "refund_amount" => 100, "refund_from" => 1 ]; $signData = json_encode($signData, JSON_UNESCAPED_UNICODE); $appKey = "1OQZtyTWw94IUxhhZYPeqxcDuw8voUTN"; $pay_sig = hash_hmac('sha256', 'requestCommonPayment&' . $signData, $appKey);

https://developers.weixin.qq.com/miniprogram/dev/platform-capabilities/business-capabilities/order-shipping/order-shipping.html

提示我type有问题，可是我已经传了，为什么会提示我这个问题？ 文档地址：https://ad.weixin.qq.com/guide/457 具体使用的文档： [图片] 调用接口地址：https://api.weixin.qq.com/marketing/user_action_sets/add?version=v1.0&access_token= 具体参数： {     "wechat_app_id":"wxcxxxxxxxxxxxx",     "type":"RESERVATION",     "name":"预约授权",     "description":"预约授权" } 返回结果：Array ( [errcode] => 900318001 [errmsg] => Your request is missing a required parameter. The required parameter is 'type'. )