Revert "Revert "修改说明""

This reverts commit 3bb6f152fa8d7cef3948481a5334dcb5c4b4a087.
Revert "Revert "Revert "修改说明"""

This reverts commit 61ec273d2a6fb6aac9d59f9bedc09c035b92fedf.
新建一个INDEX,PHP文件

新建一个INDEX,PHP文件