response return curl: (52) Empty reply from server

[oly]

接口: /openqq/send_friend_message

调用方式:curl -H "Contect-Type:application/x-www-form-urlencoded" http://127.0.0.1:5000/openqq/send_friend_message?id=612321&content=hello

问题:
返回curl: (52) Empty reply from server

[1]+ Exit 52

[hexsum]

url加上引号