Hi developers i am trying to create archives page for my custom post types but it is going to a default archive page not the archive page which i have created for archives 

here is my code for custom post type

        // Register Custom Post Type
    function gallery_post_type() {
    
        $labels = array(
            'name' => _x('Gallery images', 'Post Type General Name', 'horst'),
            'singular_name' => _x('Gallery image', 'Post Type Singular Name', 'horst'),
            'menu_name' => __('Photo Gallery', 'horst'),
            'name_admin_bar' => __('Photo Gallery', 'horst'),
            'archives' => __('Item Archives', 'horst'),
            'parent_item_colon' => __('Parent Photo:', 'horst'),
            'all_items' => __('All Photos', 'horst'),
            'add_new_item' => __('Add New Photo', 'horst'),
            'add_new' => __('Add New Gallery image', 'horst'),
            'new_item' => __('New Photo', 'horst'),
            'edit_item' => __('Edit Photo', 'horst'),
            'update_item' => __('Update Photo', 'horst'),
            'view_item' => __('View Photo', 'horst'),
            'search_items' => __('Search Photos', 'horst'),
            'not_found' => __('Not found', 'horst'),
            'not_found_in_trash' => __('Not found in Trash', 'horst'),
            'featured_image' => __('Gallery Image', 'horst'),
            'set_featured_image' => __('Set Gallery image', 'horst'),
            'remove_featured_image' => __('Remove Gallery image', 'horst'),
            'use_featured_image' => __('Use as Gallery image', 'horst'),
            'insert_into_item' => __('Insert into item', 'horst'),
            'uploaded_to_this_item' => __('Uploaded to this Photo', 'horst'),
            'items_list' => __('Photos list', 'horst'),
            'items_list_navigation' => __('Photo list navigation', 'horst'),
            'filter_items_list' => __('Filter Photo list', 'horst'),
        );
        $args = array(
            'label' => __('Gallery image', 'horst'),
            'description' => __('gallery imges for gallery page', 'horst'),
            'labels' => $labels,
            'supports' => array('title', 'thumbnail',),
            'hierarchical' => true,
            'taxonomies' => array(
                'gallery_categories',
            ),
            'rewrite' => array(
                'slug' => 'gallery',
            ),
            'public' => true,
            'show_ui' => true,
            'show_in_menu' => true,
            'menu_position' => 5,
            'menu_icon' => 'dashicons-format-gallery',
            'show_in_admin_bar' => true,
            'show_in_nav_menus' => true,
            'can_export' => true,
            'has_archive' => true,
        );
        register_post_type('gallery', $args);
    }
    
    add_action('init', 'gallery_post_type');


and this is my custom taxonomy


    // Register Custom Taxonomy
    function custom_taxonomy() {
    
    	$labels = array(
    		'name'                       => _x( 'Gallery Maps', 'Taxonomy General Name', 'text_domain' ),
    		'singular_name'              => _x( 'Gallery Map', 'Taxonomy Singular Name', 'text_domain' ),
    		'menu_name'                  => __( 'Gallery Maps', 'text_domain' ),
    		'all_items'                  => __( 'All Items', 'text_domain' ),
    		'parent_item'                => __( 'Parent Item', 'text_domain' ),
    		'parent_item_colon'          => __( 'Parent Item:', 'text_domain' ),
    		'new_item_name'              => __( 'New Item Name', 'text_domain' ),
    		'add_new_item'               => __( 'Add New Item', 'text_domain' ),
    		'edit_item'                  => __( 'Edit Item', 'text_domain' ),
    		'update_item'                => __( 'Update Item', 'text_domain' ),
    		'view_item'                  => __( 'View Item', 'text_domain' ),
    		'separate_items_with_commas' => __( 'Separate items with commas', 'text_domain' ),
    		'add_or_remove_items'        => __( 'Add or remove items', 'text_domain' ),
    		'choose_from_most_used'      => __( 'Choose from the most used', 'text_domain' ),
    		'popular_items'              => __( 'Popular Items', 'text_domain' ),
    		'search_items'               => __( 'Search Items', 'text_domain' ),
    		'not_found'                  => __( 'Not Found', 'text_domain' ),
    		'no_terms'                   => __( 'No items', 'text_domain' ),
    		'items_list'                 => __( 'Items list', 'text_domain' ),
    		'items_list_navigation'      => __( 'Items list navigation', 'text_domain' ),
    	);
    	$args = array(
    		'labels'                     => $labels,
    		'hierarchical'               => true,
    		'public'                     => true,
    		'show_ui'                    => true,
    		'show_admin_column'          => true,
    		'show_in_nav_menus'          => true,
    		'show_tagcloud'              => true,
    	);
    	register_taxonomy( 'gallery_categories', array( 'gallery' ), $args );
    
    }
    add_action( 'init', 'custom_taxonomy');

 

don't know what i am doing wrong :)