腾讯云服务器Debian，安装脚本执行完整结束，但又报错：

Composer could not find a composer.json file in /var/www/html
To initialize a project, please create a composer.json file. See [https://getcomposer.org/basic-usage](https://getcomposer.org/basic-usage)
Composer could not find a composer.json file in /var/www/html
To initialize a project, please create a composer.json file. See [https://getcomposer.org/basic-usage](https://getcomposer.org/basic-usage)
bash: line 12: vendor/bin/phinx: Permission denied
Could not open input file: console.php
Could not open input file: console.php
Could not open input file: console.php
Could not open input file: console.php
rm: cannot remove 'storage/log/*.log': Permission denied

然后浏览器打开，只显示： File not found.

请问可能是什么原因，上面的文件报错需要处理吗？