进入以下路径后
/private/var/folders/
搜索
com.apple.dock.launchpad
再进入其文件夹下，找到db文件
➜ db file db
db: SQLite 3.x database, last written using SQLite version 3039005, writer version 2, read version 2, file counter 134, database pages 1884, cookie 0x13, schema 4, UTF-8, version-valid-for 134
➜ db sqlite3 db "select * from apps where title like 'idapro%'"
361|idapro_90_x64mac|com.installbuilder.appinstaller|||744688400.0|book?
➜ db sqlite3 db "delete from apps where item_id=361"
➜ db killall Dock就可以删除启动台已卸载软件残留图标了
