redirect()->back() laravel redirect to root web - php

Question

I've deploy laravel project in Centos, the application its running successfully but i have the problem.
When laravel code redirect()->back();
the return is to page https://mywebsite.com/
my file:
/public/.htaccess
<IfModule mod_rewrite.c>
<IfModule mod_negotiation.c>
Options -MultiViews -Indexes
</IfModule>
RewriteEngine On
RewriteBase /myproject/
# Handle Authorization Header
RewriteCond %{HTTP:Authorization} .
RewriteRule .* - [E=HTTP_AUTHORIZATION:%{HTTP:Authorization}]
# Redirect Trailing Slashes If Not A Folder...
RewriteCond %{REQUEST_FILENAME} !-d
RewriteCond %{REQUEST_URI} (.+)/$
RewriteRule ^ %1 [L,R=301]
# Send Requests To Front Controller...
RewriteCond %{REQUEST_FILENAME} !-d
RewriteCond %{REQUEST_FILENAME} !-f
RewriteRule ^ index.php [L]
</IfModule>
my .htaccess
# Server
<IfModule mod_rewrite.c>
Options +FollowSymLinks
RewriteEngine On
RewriteCond %{REQUEST_URI} !^/public/
RewriteCond %{REQUEST_FILENAME} !-d
RewriteCond %{REQUEST_FILENAME} !-f
RewriteRule ^(.*)$ public/$1 [L,NC]
</IfModule>
# Disable Directory listing
Options -Indexes
my alias directory
Alias /myproject/var/www/html/litprof/myproject/public
<Directory /var/www/html/litprof/myproject/public>
Options FollowSymLinks
AllowOverride All
</Directory>