Merge pull request #52 from qkhj/master

modify
Merge pull request #53 from qkhj/master

modify
Merge pull request #19 from JohnCny/master

merge
[mod]文档管理 新增和修改时判断权限
Merge pull request #54 from tanwh/master

[mod]文档管理 新增和修改时判断权限
Merge pull request #12 from JohnCny/master

add