diff --git a/Block/Sitemap.php b/Block/Sitemap.php
index 516b07b..5a996fd 100755
--- a/Block/Sitemap.php
+++ b/Block/Sitemap.php
@@ -170,14 +170,23 @@ public function getCategoryUrl($categoryId)
 
     /**
      * Get page collection
-     * @return mixed
+     *
+     * @return PageCollection
+     * @throws NoSuchEntityException
      */
     public function getPageCollection()
     {
-        return $this->pageCollection->addFieldToFilter('is_active', Page::STATUS_ENABLED)
-            ->addFieldToFilter('identifier', [
+        $excludePages   = $this->_helper->getExcludePageListing();
+        $pageCollection = $this->pageCollection->addFieldToFilter('is_active', Page::STATUS_ENABLED)
+            ->addStoreFilter($this->_storeManager->getStore());
+
+        if ($this->_helper->isEnableExcludePage() && !empty($excludePages)) {
+            $pageCollection->addFieldToFilter('identifier', [
                 'nin' => $this->getExcludedPages()
             ]);
+        }
+
+        return $pageCollection;
     }
 
     /**
@@ -186,11 +195,7 @@ public function getPageCollection()
      */
     public function getExcludedPages()
     {
-        if ($this->_helper->isEnableExcludePage()) {
-            return explode(',', $this->_helper->getExcludePageListing());
-        }
-
-        return ['home', 'no-route'];
+        return explode(',', $this->_helper->getExcludePageListing());
     }
 
     /**
diff --git a/Model/Sitemap.php b/Model/Sitemap.php
index 27dfc1d..820a523 100755
--- a/Model/Sitemap.php
+++ b/Model/Sitemap.php
@@ -31,7 +31,10 @@
 use Magento\Framework\Data\Collection\AbstractDb;
 use Magento\Framework\DataObject;
 use Magento\Framework\Escaper;
+use Magento\Framework\Exception\FileSystemException;
 use Magento\Framework\Exception\LocalizedException;
+use Magento\Framework\Exception\NoSuchEntityException;
+use Magento\Framework\Exception\ValidatorException;
 use Magento\Framework\Filesystem;
 use Magento\Framework\Model\Context;
 use Magento\Framework\Model\ResourceModel\AbstractResource;
@@ -45,6 +48,7 @@
 use Magento\Sitemap\Model\Sitemap as CoreSitemap;
 use Magento\Store\Model\StoreManagerInterface;
 use Mageplaza\Sitemap\Helper\Data as HelperConfig;
+use Zend_Db_Statement_Exception;
 
 /**
  * Class Sitemap
@@ -202,16 +206,17 @@ public function _initSitemapItems()
     }
 
     /**
-     * @return $this
-     * @throws Exception
+     * @return $this|CoreSitemap
      * @throws LocalizedException
+     * @throws FileSystemException
+     * @throws ValidatorException
      */
     public function generateXml()
     {
         $this->_initSitemapItems();
         /** @var $sitemapItem DataObject */
         foreach ($this->_sitemapItems as $item) {
-            $changefreq = $item->getChangefreq();
+            $changeFreq = $item->getChangefreq();
             $priority   = $item->getPriority();
             $urlType    = $item->getUrlType();
             foreach ($item->getCollection() as $itemChild) {
@@ -219,7 +224,7 @@ public function generateXml()
                     $itemChild->getUrl(),
                     $urlType,
                     $itemChild->getUpdatedAt(),
-                    $changefreq,
+                    $changeFreq,
                     $priority,
                     $itemChild->getImages()
                 );
@@ -258,10 +263,10 @@ public function generateXml()
     /**
      * Get site map row
      *
-     * @param $url
-     * @param $urlType
-     * @param null $lastmod
-     * @param null $changefreq
+     * @param string $url
+     * @param int $urlType
+     * @param null $lastMod
+     * @param null $changeFreq
      * @param null $priority
      * @param null $images
      *
@@ -270,8 +275,8 @@ public function generateXml()
     protected function getSitemapRow(
         $url,
         $urlType,
-        $lastmod = null,
-        $changefreq = null,
+        $lastMod = null,
+        $changeFreq = null,
         $priority = null,
         $images = null
     ) {
@@ -281,11 +286,11 @@ protected function getSitemapRow(
             $url = $this->convertUrl($url);
         }
         $row = '<loc>' . htmlspecialchars($url) . '</loc>';
-        if ($lastmod) {
-            $row .= '<lastmod>' . $this->_getFormattedLastmodDate($lastmod) . '</lastmod>';
+        if ($lastMod) {
+            $row .= '<lastmod>' . $this->_getFormattedLastmodDate($lastMod) . '</lastmod>';
         }
-        if ($changefreq) {
-            $row .= '<changefreq>' . $changefreq . '</changefreq>';
+        if ($changeFreq) {
+            $row .= '<changefreq>' . $changeFreq . '</changefreq>';
         }
         if ($priority) {
             $row .= sprintf('<priority>%.1f</priority>', $priority);
@@ -315,7 +320,7 @@ protected function getSitemapRow(
     /**
      * Get link collection added by config Additional Links
      *
-     * @param $storeId
+     * @param int $storeId
      *
      * @return array
      */
@@ -339,7 +344,7 @@ public function getLinkCollectionAdded($storeId)
     /**
      * Get category collection
      *
-     * @param $storeId
+     * @param int $storeId
      *
      * @return array
      */
@@ -360,7 +365,7 @@ public function _getCategoryCollection($storeId)
     /**
      * Get page collection
      *
-     * @param $storeId
+     * @param int $storeId
      *
      * @return array
      */
@@ -382,9 +387,12 @@ public function _getPageCollection($storeId)
     /**
      * Get product Collection
      *
-     * @param $storeId
+     * @param int $storeId
      *
      * @return array
+     * @throws LocalizedException
+     * @throws NoSuchEntityException
+     * @throws Zend_Db_Statement_Exception
      */
     public function _getProductCollection($storeId)
     {
@@ -393,9 +401,7 @@ public function _getProductCollection($storeId)
             if ($this->_coreProductFactory->create()->load($item->getId())->getData('mp_exclude_sitemap') == 1) {
                 continue;
             }
-            if ($this->stockItem->load($item->getId(), 'product_id')->getIsInStock() == 0) {
-                continue;
-            }
+
             $collection[] = $item;
         }
 
@@ -405,7 +411,7 @@ public function _getProductCollection($storeId)
     /**
      * Convert Url
      *
-     * @param $url
+     * @param string $url
      *
      * @return string
      */
@@ -421,8 +427,8 @@ public function convertUrl($url)
     /**
      * Remove the link of the CMS page using for homepage.
      *
-     * @param $storeId
-     * @param $page
+     * @param int $storeId
+     * @param Object $page
      *
      * @return bool
      */
diff --git a/Model/Source/Page.php b/Model/Source/Page.php
index ee25d42..676b64b 100755
--- a/Model/Source/Page.php
+++ b/Model/Source/Page.php
@@ -51,9 +51,14 @@ public function __construct(CollectionFactory $pageCollectionFactory)
      */
     public function toOptionArray()
     {
-        $options = [];
+        $options[] = [
+            'value' => '',
+            'label' => __('-- Please select --')
+        ];
+
         /** @var Collection $collection */
         $collection = $this->_pageCollectionFactory->create();
+
         foreach ($collection as $item) {
             $options[] = ['value' => $item->getIdentifier(), 'label' => $item->getTitle()];
         }
diff --git a/composer.json b/composer.json
index 7c331a5..fd7ab07 100755
--- a/composer.json
+++ b/composer.json
@@ -6,7 +6,7 @@
     "mageplaza/magento-2-seo-extension": "^4.0.0"
   },
   "type": "magento2-module",
-  "version": "4.0.0",
+  "version": "4.0.1",
   "license": "proprietary",
   "authors": [
     {