{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