You can also run `php --ini` inside terminal to see which files are used by PH P in CLI mode

1）	composer update的時候報錯

You can also run php --ini inside terminal to see which files are used by PH P in CLI mode

3)	這個時候找到安裝php目錄。
4)	修改php.ini
5)	打開extension=php_fileinfo.dll 就可以了