适用于IDEA 2018.X, IDEA 2019.X, IDEA 2020.X
解决方法:
rm -rf ~/Library/Logs/IntelliJIdea | JetBrains
rm -rf ~/Library/Preferences/IntelliJIdea | JetBrains
rm -rf ~/Library/Application\ Support/IntelliJIdea | JetBrains
rm -rf ~/Library/Caches/IntelliJIdea | JetBrains
rm -rf ~/Library/Preferences/jetbrains.idea.*.plist