Revert "Merge branch 'master' of https://github.com/FWWBSGJW/MEProject"

This reverts commit 9c0df8fd83875574058ed61e791640f2339de19a, reversing
changes made to b4e4ed96287aecc5483ad04c83e2db5cd1260784.
评论，笔记发送功能（本地）实现