You need to update your index.php file with you website
code like this
<?php
/**
* Application entry point
*
* Example - run a particular store or website:
* --------------------------------------------
* require __DIR__ . '/app/bootstrap.php';
* $params = $_SERVER;
* $params[\Magento\Store\Model\StoreManager::PARAM_RUN_CODE] = 'website2';
* $params[\Magento\Store\Model\StoreManager::PARAM_RUN_TYPE] = 'website';
* $bootstrap = \Magento\Framework\App\Bootstrap::create(BP, $params);
* \/** @var \Magento\Framework\App\Http $app *\/
* $app = $bootstrap->createApplication(\Magento\Framework\App\Http::class);
* $bootstrap->run($app);
* --------------------------------------------
*
* Copyright © Magento, Inc. All rights reserved.
* See COPYING.txt for license details.
*/
try {
require __DIR__ . '/app/bootstrap.php';
} catch (\Exception $e) {
echo <<<HTML
<div style="font:12px/1.35em arial, helvetica, sans-serif;">
<div style="margin:0 0 25px 0; border-bottom:1px solid #ccc;">
<h3 style="margin:0;font-size:1.7em;font-weight:normal;text-transform:none;text-align:left;color:#2f2f2f;">
Autoload error</h3>
</div>
<p>{$e->getMessage()}</p>
</div>
HTML;
exit(1);
}
switch ($_SERVER['HTTP_HOST']) {
case 'first.websiteurl.com': // Your first website URL
$params = $_SERVER;
$params[\Magento\Store\Model\StoreManager::PARAM_RUN_CODE] = 'website_code1'; //You can add your first website code here
$params[\Magento\Store\Model\StoreManager::PARAM_RUN_TYPE] = 'website';
$bootstrap = \Magento\Framework\App\Bootstrap::create(BP, $params);
$app = $bootstrap->createApplication('Magento\Framework\App\Http');
$bootstrap->run($app);
break;
case 'second.websiteurl.com': // Your second website URL
$params = $_SERVER;
$params[\Magento\Store\Model\StoreManager::PARAM_RUN_CODE] = 'website_code2'; //You can add your second website code here
$params[\Magento\Store\Model\StoreManager::PARAM_RUN_TYPE] = 'website';
$bootstrap = \Magento\Framework\App\Bootstrap::create(BP, $params);
$app = $bootstrap->createApplication('Magento\Framework\App\Http');
$bootstrap->run($app);
break;
default:
$bootstrap = \Magento\Framework\App\Bootstrap::create(BP, $_SERVER);
$app = $bootstrap->createApplication('Magento\Framework\App\Http');
$bootstrap->run($app);
break;
}
You can find you website code here in backend..
Stores > Settings > All Stores
Default index.php file's content..
<?php
/**
* Application entry point
*
* Example - run a particular store or website:
* --------------------------------------------
* require __DIR__ . '/app/bootstrap.php';
* $params = $_SERVER;
* $params[\Magento\Store\Model\StoreManager::PARAM_RUN_CODE] = 'website2';
* $params[\Magento\Store\Model\StoreManager::PARAM_RUN_TYPE] = 'website';
* $bootstrap = \Magento\Framework\App\Bootstrap::create(BP, $params);
* \/** @var \Magento\Framework\App\Http $app *\/
* $app = $bootstrap->createApplication(\Magento\Framework\App\Http::class);
* $bootstrap->run($app);
* --------------------------------------------
*
* Copyright © Magento, Inc. All rights reserved.
* See COPYING.txt for license details.
*/
try {
require __DIR__ . '/app/bootstrap.php';
} catch (\Exception $e) {
echo <<<HTML
<div style="font:12px/1.35em arial, helvetica, sans-serif;">
<div style="margin:0 0 25px 0; border-bottom:1px solid #ccc;">
<h3 style="margin:0;font-size:1.7em;font-weight:normal;text-transform:none;text-align:left;color:#2f2f2f;">
Autoload error</h3>
</div>
<p>{$e->getMessage()}</p>
</div>
HTML;
exit(1);
}
$bootstrap = \Magento\Framework\App\Bootstrap::create(BP, $_SERVER);
/** @var \Magento\Framework\App\Http $app */
$app = $bootstrap->createApplication(\Magento\Framework\App\Http::class);
$bootstrap->run($app);
Hope this will help you!