nginx服务器添加204校验

location = /generate_204 {
        return 204;
}

adb连接Android，输入以下

adb shell settings put global captive_portal_detection_enabled 1
adb shell settings put global captive_portal_mode 1
adb shell settings put global captive_portal_use_https 0
adb shell settings put global captive_portal_server 192.168.0.128
adb shell settings put global captive_portal_http_url http://192.168.0.128/generate_204
adb shell settings put global captive_portal_https_url https://192.168.0.128/generate_204

adb驱动和adb软件下载链接：

分享名称：ADB
分享链接：https://kb.itpno.com/#s/8X0MFYqQ
访问密码：iTPno