如下。实在让人无奈啊。我使用的是yii2的框架，然后需要安装一个依赖项目
composer require --prefer-dist mongosoft/yii2-upload-behavior "*"
composer ..........
./composer.json has been updated
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^C终止批处理操作吗(Y/N)? y
未设置任何代理
http://pkg.phpcomposer.com/repo/packagist/
http://packagist.cn/
http://pkg.uselaravel.com/repo/packagist/
我尝试了以上站点（含镜像），没有一个20分钟能完成。实在太让人崩溃了啊。
可是我只是去安装一个依赖，并且这个依赖应该不需要jquery的 1.8.0 - 2.1.3 的所有版本吧。 请问怎么能减少这些不需要的请求而加速composer的效率呢？
https://github.com/francoispluchino/composer-asset-plugin/blob/master/...