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)

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