cd /Applications/
rm
-r IntelliJ\ IDEA\ 14.app/
rm
-r
/Users/sunlu/Library/Logs/IntelliJIdea14/
rm
-r
/Users/sunlu/Library/Preferences/IntelliJIdea14/
rm
-r
/Users/sunlu/Library/Application
\ Support
/IntelliJIdea14/
rm
-r
/Users/sunlu/Library/Caches/IntelliJIdea14
14對應本地idea版本號。