Merge pull request #268 from naiffuR/patch-19

Update common.php

Merge pull request #243 from qishibo/master

fix 中文长度bug

Enhance compatibility.

Automatically create a database.

Nothing.

Rewrite rule for Nginx.

Code refactoring.

Merge remote-tracking branch 'remotes/origin/master' into develop

Fixed the pull request. #231

Merge pull request #231 from tony1312/patch-1

检查是否config可写

Editor adjustment.

Fixed bug.