reponse里面并没有Content-Encoding
Request URL: http://59.110.163.210:83/download/test.img
Request Method: GET
Status Code: 404 Not Found
Remote Address: 59.110.163.210:83
Referrer Policy: no-referrer-when-downgrade
Connection: keep-alive
Content-Length: 3693
Content-Type: text/html
Date: Mon, 25 Nov 2019 02:51:04 GMT
ETag: "5cd53188-e6d"
Server: nginx/1.12.2
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3
Accept-Encoding: gzip, deflate
Accept-Language: zh-CN,zh;q=0.9
Cache-Control: no-cache
Connection: keep-alive
Host: 59.110.163.210:83
Pragma: no-cache
Upgrade-Insecure-Requests: 1
User-Agent: Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.157 Safari/537.36
