Snippet不work，没有自动展开替换

1. 权限申请
     
    ![image](https://user-images.githubusercontent.com/9245110/124542767-926b6e80-de56-11eb-8197-ff78cf7f2cc7.png)

2. 打开自动展开设置
     ![image](https://user-images.githubusercontent.com/9245110/124542628-4d473c80-de56-11eb-9224-96d87a45bbdc.png)



Snippet使用指南，参考这里 https://www.alfredapp.com/help/features/snippets/