这有点晚了，但看起来您正在使用composer，因此您可能需要运行该安装程序?

This is a little late but it looks like you are using composer, so you may need to run that installer?

在您的目录中尝试运行每个目录，看看是否有帮助:

From your directory try running each of these and see if that helps:

./composer.phar install --dev
./composer.phar update