小马哥，您好，我安装YII2.0到第六步就不行了，能帮我看看吗？

d:\WWW\yii2\advanced>php composer.phar create-project --prefer-dist --stability=
dev yiisoft/yii2-app-advanced ../yii2test
Installing yiisoft/yii2-app-advanced (dev-master 243a4dfe63a7b9a3f5e15531c3d1c0b
e77b49edd)
  - Installing yiisoft/yii2-app-advanced (dev-master master)
    Loading from cache

Created project in ../yii2test
Loading composer repositories with package information
Installing dependencies (including require-dev)

Could not fetch https://api.github.com/repos/twbs/bootstrap, please create a Git
Hub OAuth token to go over the API rate limit
Head to https://github.com/settings/tokens/new?scopes=repo&description=Composer+
on+Lenovo-wxh+2015-05-12+0324
to retrieve a token. It will be stored in "C:/Users/兴宏/AppData/Roaming/Compose
r/auth.json" for future use by Composer.
Token (hidden):

写的不错，对新手很有帮助，赞一个！

应该放在外面的css、images目录里