低版本命令

adb shell settings delete global captive_portal_server
adb shell settings put global captive_portal_server http://developers.google.cn/generate_204

adb shell settings get global captive_portal_server

7.0以上

 
adb shell settings delete global captive_portal_https_url
adb shell settings delete global captive_portal_http_url

 
adb shell settings put global captive_portal_http_url http://developers.google.cn/generate_204
adb shell settings put global captive_portal_https_url https://developers.google.cn/generate_204