报错日志：支付失败 {"errMsg": "requestCommonPayment:fail webapi_wxa_createmidasorder:fail {"code":"INVALID_REQUEST","message":"sub_mch_id与sub_appid不匹配"} [RID: 6f9fd832-1749690978]", "errno": 1000, "errCode": "<Undefined>"}。

返回给前端的参数： {"signData":"{\"amount\":{\"order_amount\":1,\"currency\":\"CNY\"},\"mchid\":\"1717098900\",\"out_trade_no\":\"wxPayB2B_1932970105747148800\",\"description\":\"安全区*1件\",\"attach\":\"8c66b2b9a6f58900445d8719c1611a38\",\"env\":1}","mode":"retail_pay_goods","paySig":"263dda744f135ca37c259e5200c174896fd2584a97f53d8dd19f7ed531a5219e","signature":"0ea00fec683dc85124952701f98d0df34b8b7675f2299b9793717e5843783b95"}