Merge pull request #487 from yqz1016/dev

modify the notice respose for truncated
update init sql;
update war.
Merge pull request #489 from forumbyr/master

update init sql;
Update README.md
Update README.md
Update README.md
Update README.md
fix bug: shutdown server unexcepted.
Merge pull request #491 from forumbyr/master

fix bug: shutdown server unexcepted.
add 501 response