I have problem with hash, on my working project when I build it, on test project all work correctly. I already read this questions in google: Angular2 without hash in the ur
You was right, my problem was with hosting https://www.beget.com/ru, I found this solution https://geekbrains.ru/topics/3055 and i should add in my file .htaccess this code:
RewriteEngine On
RewriteBase /
RewriteRule ^index\.html$ - [L]
RewriteCond %{REQUEST_FILENAME} !-f
RewriteCond %{REQUEST_FILENAME} !-d
RewriteRule . /index.html [L]
And now it work. Thanks for your help !