商户类型：特约商户（注：使用普通商户下载证书正常通过） 支付方式：jsapi 微信证书下载接口：https://api.mch.weixin.qq.com/v3/certificates 证书下载项目github地址：https://github.com/wechatpay-apiv3/CertificateDownloader

服务商模式下，使用jsapi下单，wechatpay-apiv3/wechatpay-apache-httpclient 0.4.7 jsapi统一下单，提示应答的状态码不为200-299。status code[403]，参数信息都是按照官方接口文档设置的 request headers [图片] request body[图片]

https://api.mch.weixin.qq.com/v3/certificates 报错信息：{     "code": "SYSTEM_ERROR",     "message": "系统繁忙，请稍后重试" }

httpResponseBody[{"code":"SYSTEM_ERROR","message":"系统繁忙，请稍后重试"}] HttpRequest[{"http_method":"GET","url":"https://api.mch.weixin.qq.com/v3/certificates?algorithm_type=RSA","uri":"https://api.mch.weixin.qq.com/v3/certificates?algorithm_type=RSA","headers":{"headers":{"Authorization":"WECHATPAY2-SHA256-RSA2048 mchid=\"1681662078\",nonce_str=\"KrRmQdT6t13CJ3Y83riICMJdhRYiF3EB\",timestamp=\"1729086030\",serial_no=\"46A3CAAE8EAE76237000E9F0C959AD9440A60E32\",signature=\"WrlxYstrlKqjnAqNRPqnOuiZv3xiAyvYMd41FXKwxyNIswWQy5udmYYce39yyqj+ZqtLv74g5LkRLh6ITebOjJZe5YFsAgjvmE4+hugGfQzIsJ79PUDhsow70ii1PdxE1v8H+x9y6KLkN8sew3c7fm4OPHO9c/h+lCrXBaoAGg4xXLfiKXCYWj/fCjufBueEFi/zy3XlLEcT3Wlz+V/NuqFbBh8+fKOdmPripabwB5INvVSQ598vjpq8yELaRaSlWTRZXPzoFLntAy6vcGACviotKmaLVD7GeWcCSw3+o8iN0D/ZreBk0aVj3Ap6dAio8hdUQJijIeCAAdItFfxa0w==\"","Accept":" */*","User-Agent":"WechatPay-Java/0.2.14 (Windows 11/10.0) Java/17.0.12 Credential/WechatPay2Credential Validator/ okhttp3/null","Content-Type":"application/json"}}}]

VM817 WAService.js:2 Error: cloud.callFunction:fail Error: errCode: -504002 functions execute fail | errMsg: Error: 输入源“/body/xml/out_trade_no”映射到字段“商户订单号”必填性规则校验失败，此字段为必填项 [图片][图片] [图片] Error: cloud.callFunction:fail Error: errCode: -504002 functions execute fail | errMsg: Error: 输入源“/body/xml/out_trade_no”映射到字段“商户订单号”必填性规则校验失败，此字段为必填项     at Payment._parse (:30423/var/user/node_modules/tenpay/lib/index.js:89)     at processTicksAndRejections (:30423/appservice/internal/process/task_queues.js:97) (callId: 1633084366826-0.8489910275016763) (trace: 18:32:46 start->18:32:47 system error (Error: errCode: -504002 functions execute fail | errMsg: Error: 输入源“/body/xml/out_trade_no”映射到字段“商户订单号”必填性规则校验失败，此字段为必填项     at Payment._parse (:30423/var/user/node_modules/tenpay/lib/index.js:89)     at processTicksAndRejections (:30423/appservice/internal/process/task_queues.js:97)), abort)     at ar (VM817 WAService.js:2)     at VM817 WAService.js:2     at VM817 WAService.js:2     at n (VM817 WAService.js:2)(env: Windows,mp,1.05.2109101; lib: 2.19.5)

[图片] 查看了一下错误码 404006是空base resp 实在是不知道是什么意思，麻烦帮忙解释一下，怎么处理。