網路找有很多解法,但我覺得最效的方法是開啟終端機,然後輸入:sudo mdutil -E / 這指令會強制電腦重新 index。 There are many solutions to resolve it, but I think this command is a good solution. You open the Terminal and input the command `sudo mdutil -E /` and execute it. Your mac will be focus reindex all file.