使用yii2 安裝了這個擴充功能 https://github.com/hguenot/yii2-gftp，可裡面很多錯誤，修改了，想提交到github.com，如何操作。
已經fork了一個g9901/yii2-gftp，然後把yii2專案的basic/composer.json 對應的require 改為了g9901/yii2-gftp，可更新，卻所有的全部都更新了。而且，到最後還是無法更新這個元件，提示如下：
Problem 1
- The requested package g9901/yii2-gftp could not be found in any version, t
here may be a typo in the package name.
Potential causes:
- A typo in the package name
- The package is not available in a stable-enough version according to your min
imum-stability setting
see <https://groups.google.com/d/topic/composer-dev/_g3ASeIFlrc/discussion> f
or more details.
Read <https://getcomposer.org/doc/articles/troubleshooting.md> for further commo
n problems.
D:\website\flxx2\basic>
