Android SDK cannot update or update slow solution

Win7 install Android SDK old out fetching Https://dl-ssl.google.com/android/repository/addon.
This is the Android SDK cannot connect to the Google Update network.
Here's how to fix it:

Open the C:\Windows\System32\drivers\etc directory, locate the Hosts file, open it in Notepad, and add it later
#google_android更新
203.208.46.146 dl.google.com
203.208.46.146 dl-ssl.google.com
127.0.0.1 servserv.generals.ea.com

This method has been lost, the one has been wall. You can update by using a mirrored Web site:
In Proxy IP: mirrors.neusoft.edu.cn
PORT: 80
Tick "force https://... sources to be fetched using http://..."

Android SDK cannot update or update slow solution