POST /v3/payscore/partner/permissions 1624522414 xRvMnJzJuhAwm1K1FVRBbAmUBmxazhHo {"authorization_code":"DKNBAMZAN3GXYKZH7QMZ","appid":"wx9076e52xxxx","service_id":"00004000000000162398748879772455","sub_mchid":"1609913196","notify_url":"http://www.xx.com/permissions_uotify_Service","sub_appid":"wxca187f0xxxx"} mchid="1609913196",nonce_str="xRvMnJzJuhAwm1K1FVRBbAmUBmxazhHo",timestamp="1624522414",serial_no="16F8B6EE4BBC992497823807F89DD7C4EBB6F2EB",signature="d9cCGnd1sQtFVMY+XJuNWH8cMHvGEDatTrJdmotn2EyD3zrpJOSCMXEl635w20rGAy0+ecXsbGGqkoeKBVerLsqBQ2694nj4act0tuk4nLRf+G7ogVK4bA0EOJm6/QzQL+nyh3QIskAhsLY5Il5D366y0R0C+TQ85k5SroTLYgKTiKx6W07LTkH6a+5HkAsHQ6JXbv1KM/xkLHt6nVCcsrNfWIurDhm62MZc2HQm8RwXqkYPhyYmrDdKpFl8+2x0RAZGNBibVSid1jcL+a63Eq5TKZvGrqMY4MDW09bgbQqUjBqRno73RUUi8jSA5v0dawofAV/8aOp8355aVIzFVw==" {"code":"SYSTEM_ERROR","message":"系统繁忙，请稍后重试"} [图片] 麻烦管理员帮我看看，搞了3天了 查询授权状态是正常的的能正常返回，不知道获取authorization_code就失效，麻烦管理员帮我查查！

{code=SIGN_ERROR, detail={\"field\":\"signature\",\"location\":\"authorization\",\"sign_information\":{\"method\":\"POST\",\"truncated_sign_message\":\"POST\\n/v3/payscore/partner/permissions\\n1624437449\\n7A311DsJ7PjYNoIEUmNLH1k2V3z0Ani6\\n{ \\\"appi\\n\",\"sign_message_length\":289,\"url\":\"/v3/payscore/partner/permissions\"},\"detail\":{\"issue\":\"sign not match\"}}, message=错误的签名，验签失败}\r\n ^","success":false}             String reqdata = "{  \"appid\": \""+appid+"\"," +                     "  \"service_id\": \""+service_id+"\"," +                              "  \"authorization_code\": \""+authorization_code+"\"," +                     "  \"notify_url\": \""+notify_url+"\"}"; 不知道哪里没弄对