更新状态
Merge branch 'master' of https://github.com/ivantree/yii2-zh-cn
Update README.md
Merge branch 'master' of https://github.com/ivantree/yii2-zh-cn
Update structure-extensions.md
Merge branch 'master' of https://github.com/ivantree/yii2-zh-cn into master

Conflicts:
	guide-zh-CN/README.md
Merge branch 'ivantree-master'