问一下安装Yii2怎么需要那么久 [ 2.0 版本 ]

我已经使用国内的composer镜像了。可是一直在检查 bower.json ，太久了，一个上午都一直在搞

Installing yiisoft/yii2-app-basic (2.0.0)
  - Installing yiisoft/yii2-app-basic (2.0.0) Loading from cache
Created project in basic
Loading composer repositories with package information
Updating dependencies (including require-dev)

Failed to decode response: zlib_decode(): data error
Retrying with degraded mode, check https://getcomposer.org/doc/articles/troubleshooting.md#degraded-mode for more info

Failed to decode response: zlib_decode(): data error
Retrying with degraded mode, check https://getcomposer.org/doc/articles/troubleshooting.md#degraded-mode for more info
Reading bower.json of bower-asset/jquery.inputmask (3.1.60)
Failed to decode response: zlib_decode(): data error
Retrying with degraded mode, check https://getcomposer.org/doc/articles/troubleshooting.md#degraded-mReading bower.json of bower-asset/jquery.inputmask (3.1.58)
Could not fetch https://api.github.com/repos/RobinHerbots/Inputmask/commits/8579f56b86f78accbaf03c28d44be35ca1e346a5, please create a GitHub OAuth token to go over the API rate limit
Head to https://github.com/settings/tokens/new?scopes=repo&description=Composer+on+LS--20161227JIH+2017-04-06+0256
to retrieve a token. It will be stored in "C:/Users/Administrator/AppData/Roaming/Composer/auth.json" for future use by Composer.
Token (hidden): 2934927a97cb9469e47ba8cce5b5482818e771e3

Token stored successfReading bower.json of bower-asset/punycode (v1.3.0)