修改.AndroidStudio：
進入Android Studio 安裝目錄，進入bin文件夾，打開 idea.properties，頂部，去掉以下兩項的註釋符號 # ，修改對應的新路徑即可。
# Note for Windows users: please make sure you're using forward slashes (e.g. c:/idea/system).
custom.user.home=D:/xxx/xxx/android_studio_3.0.1
#---------------------------------------------------------------------
# Uncomment this option if you want to customize path to IDE config folder. Make sure you're using forward slashes.
#---------------------------------------------------------------------
#idea.config.path=${user.home}/.AndroidStudio/config
idea.config.path=${custom.user.home}/.AndroidStudio3.0/config
#---------------------------------------------------------------------
# Uncomment this option if you want to customize path to IDE system folder. Make sure you're using forward slashes.
#---------------------------------------------------------------------
#idea.system.path=${user.home}/.AndroidStudio/system
idea.system.path=${custom.user.home}/.AndroidStudio3.0/system
#---------------------------------------------------------------------
# Uncomment this option if you want to customize path to user installed plugins folder. Make sure you're using forward slashes.
#---------------------------------------------------------------------
idea.plugins.path=${idea.config.path}/plugins
#---------------------------------------------------------------------
# Uncomment this option if you want to customize path to IDE logs folder. Make sure you're using forward slashes.
#---------------------------------------------------------------------
idea.log.path=${idea.system.path}/log
gradle.user.home=${custom.user.home}
修改Gradle地址：
打開studio，菜單欄 file --》 Settings，或者快捷鍵Ctrl+Alt+S，打開Settings窗口
然後，選擇Build, Execution, Deployment --》Gradle；
在導航欄的右側區域修改Gradle user home地址；