他的回复:
您好请问发送http请求要用jason格式吗？我下面这段发过去服务器没响应U3_Printf("AT+QISEND=0,308,\"GET https://124.70.218.131:8943/iodm/dev/v2.0/upgradefile/applications/176c8a50519243d4a8142cdfc821b6b0/devices/67c9b83e4c58cc795ad8c350_866330074008487/packages/67d2da89e89983487391583f\r\nContent-Type: application/json\r\nAuthorization: Bearer %s\r\n\"\r\n",OTAfile.access_token);
