Chevereto installation error

I want to build a chevereto under Debian 8 and apache2, but the installation fails. first, I put the chevereto folder in varwww, and then write a conf file to create a virtual directory, the code is as follows {code ...} then open my domain name chevereto and follow the prompts to create... I want to build a chevereto in debian8 and apache2, but the installation fails.
First, I put the chevereto folder in/var/www/and wrote a conf file to create a virtual directory. the code is as follows:

Alias/chevereto/"/var/www/chevereto /"

  AllowOverride All

Then open https: // my domain name/chevereto and create the setting. php file as prompted, and grant the imgages and content folder permissions.
When you open it again, redirect to https: // my domain name/chevereto/install. This page displays 404 Not Found.
I don't know which step is wrong? What should I do to install it correctly?

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I want to build a chevereto in debian8 and apache2, but the installation fails.
First, I put the chevereto folder in/var/www/and wrote a conf file to create a virtual directory. the code is as follows:

Alias/chevereto/"/var/www/chevereto /"

  AllowOverride All

Then open https: // my domain name/chevereto and create the setting. php file as prompted, and grant the imgages and content folder permissions.
When you open it again, redirect to https: // my domain name/chevereto/install. This page displays 404 Not Found.
I don't know which step is wrong? What should I do to install it correctly?