composer 报错：
- Your requirements could not be resolved to an installable set of packages
xxxxxxxxxxxxxxxxxxxxxx-> no matching package found.
xxxxxxxxxxxxxxxxxxxxxx-> no matching package found.
Potential causes:
- A typo in the package name
- The package is not available in a stable-enough version according to your minimum-stability setting
see <https://getcomposer.org/doc/04-schema.md#minimum-stability> for more details.
这个错误可能是fxp/composer-asset-plugin 组件的问题
先更新composer
1.php composer.phar self-update
然后更新组件fxp/composer-asset-plugin
2.php composer.phar global require "fxp/composer-asset-plugin:~1.1.1"