设置代理
adb shell settings put global http_proxy 192.168.8.8:8088
移除代理方法1：需要重启
adb shell settings delete global http_proxy
adb shell settings delete global global_http_proxy_host
adb shell settings delete global global_http_proxy_port
adb reboot
移除代理方法2：不需要重启
adb shell settings put global http_proxy :0
