basic auth for plugin
change 1.0.1 to 1.1.0
Merge branch 'release/release1.1.0'
Update error.go

Fix the spelling mistake of error page.
Merge pull request #492 from TimothyYe/master

Fix spelling mistake
fix bug, can not remove session file
Merge pull request #494 from pengfei-xue/develop

fix bug, can not remove session file