subcategory page

app/design/frontend/Sm/shop4u/Magento_Catalog/templates/product/list.phtml

@@ -21,6 +21,55 @@ $_productCollection = $block->getLoadedProductCollection();
 $_helper            = $this->helper('Magento\Catalog\Helper\Output');
 $_config            = $this->helper('Sm\Shop4u\Helper\Data');
 ?>
+
+<?php
+    $objectManager = \Magento\Framework\App\ObjectManager::getInstance();
+    $category = $objectManager->get('Magento\Framework\Registry')->registry('current_category');//get current category
+    $catId = $category->getId();
+    // $catId = 206;    
+    $subCategory = $objectManager->create('Magento\Catalog\Model\Category')->load($catId);
+    $subCats = $subCategory->getChildrenCategories();
+    $_helper = $this->helper('Magento\Catalog\Helper\Output');    
+?>
+<?php if($catId == 206): ?>
+<div class="category-product products wrapper grid products-grid">
+ <ol class="products list items product-items row">
+    <?php
+    foreach ($subCats as $subcat) {
+        $_category = $objectManager->create('Magento\Catalog\Model\Category')->load($subcat->getId());
+        $subcaturl = $subcat->getUrl();
+        $_imgHtml = '';
+
+        if ($_imgUrl = $_category->getImageUrl()) {
+            $_imgHtml = '<img src="' . $_imgUrl . '" />';
+            $_imgHtml = $_helper->categoryAttribute($_category, $_imgHtml, 'image');
+        } ?>
+        <li class="item product product-item">
+          <div class="product-item-info" data-container="product-grid">
+              <div class="item-inner">
+                      <div class="box-image">
+                     <a href="<?php echo $subcaturl; ?>">
+                         <span class="product-image-container">
+                            <span class="product-image-wrapper">
+                                <?php echo $_imgHtml;?>
+                            </span>
+                         </span>    
+                     </a>
+                  </div>
+                  <div class="product details product-item-details box-info">
+                    <h2 class="product name product-item-name product-name">
+                      <a class="product-item-link" href="<?php echo $subcaturl; ?>"><?php echo $subcat->getName(); ?> </a>
+                      </h2>
+                  </div>
+              </div>
+           </div>
+        </li>
+    <?php } ?>
+</ol>
+</div>
+<?php else:?>
+
+
 <?php if (!$_productCollection->count()): ?>
     <div class="message info empty">
         <div><?php /* @escapeNotVerified */
@@ -364,3 +413,4 @@ $_config            = $this->helper('Sm\Shop4u\Helper\Data');
         </script>
     <?php endif; ?>
 <?php endif; ?>
+<?php endif; ?>
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