Update niki.md
Update niki.md

[add]添加新的日记内容
liyanippon/working,liyanippon/working,liyanippon/working,liyanippon/working,liyanippon/working,liyanippon/working,liyanippon/working,liyanippon/working,liyanippon/working,liyanippon/working,liyanippon/working