Webstorm升级提示
Connection failed (Remote host terminated the handshake). Please check network connection and try again.
在webstorm.vmoptions中添加
-Djava.NET.preferIPv4Stack=true
-Didea.updates.url=https://dl.google.com/android/studio/patches/updates.xml
-Didea.patches.url=https://dl.google.com/android/studio/patches/
重启升级即可