laravel5.2 composer无法下载upload的问题（后面使用的人请注意）

Your requirements could not be resolved to an installable set of packages.

Problem 1

Installation request for yangyifan/upload v0.1 -> satisfiable by yangyifan/upload[v0.1].
Conclusion: remove qiniu/php-sdk v7.1.3
Conclusion: don't install qiniu/php-sdk v7.1.3
yangyifan/upload v0.1 requires qiniu/php-sdk v7.0.* -> satisfiable by qiniu/php-sdk[v7.0.0, v7.0.2, v7.0.3, v7.0.4, v7.0.5, v7.0.6, v7.0.7, v7.0.8].
Can only install one of: qiniu/php-sdk[v7.0.0, v7.1.3].
Can only install one of: qiniu/php-sdk[v7.0.2, v7.1.3].
Can only install one of: qiniu/php-sdk[v7.0.3, v7.1.3].
Can only install one of: qiniu/php-sdk[v7.0.4, v7.1.3].
Can only install one of: qiniu/php-sdk[v7.0.5, v7.1.3].
Can only install one of: qiniu/php-sdk[v7.0.6, v7.1.3].
Can only install one of: qiniu/php-sdk[v7.0.7, v7.1.3].
Can only install one of: qiniu/php-sdk[v7.0.8, v7.1.3].
Installation request for qiniu/php-sdk (locked at v7.1.3) -> satisfiable by qiniu/php-sdk[v7.1.3].

Installation failed, reverting ./composer.json to its original content.

如果出现上面部分下载的信息，解决办法，直接修改composer.json，手动加入"yangyifan/upload":"v0.1"，然后再composer update 即可。

tyua07 / laravel-upload