diff --git a/assets/src/apps/js/frontend/single-curriculum/skeleton.js b/assets/src/apps/js/frontend/single-curriculum/skeleton.js
index 9357923be..a36c5842f 100644
--- a/assets/src/apps/js/frontend/single-curriculum/skeleton.js
+++ b/assets/src/apps/js/frontend/single-curriculum/skeleton.js
@@ -5,6 +5,22 @@ import scrollToItemCurrent from './scrolltoitem';
 import { searchCourseContent } from './components/search';
 
 export default function courseCurriculumSkeleton( courseID = '' ) {
+	let idItemViewing = 0;
+	const elItemViewing = document.querySelector( '.viewing-course-item' );
+	if ( elItemViewing ) {
+		const regex = new RegExp( '^viewing-course-item-([0-9].*)' );
+		const classList = elItemViewing.classList;
+
+		classList.forEach( function( className ) {
+			const compare = regex.exec( className );
+
+			if ( compare ) {
+				idItemViewing = compare[ 1 ];
+				return false;
+			}
+		} );
+	}
+
 	let isLoadingItems = false;
 	let isLoadingSections = false;
 	const Sekeleton = () => {
@@ -31,6 +47,7 @@ export default function courseCurriculumSkeleton( courseID = '' ) {
 				courseId: courseID || lpGlobalSettings.post_id || '',
 				page,
 				sectionID: sectionID || '',
+				idItemViewing,
 			} );
 			let paramsFetch = {};
 			if ( 0 !== parseInt( lpData.user_id ) ) {
diff --git a/inc/rest-api/v1/frontend/class-lp-rest-lazy-load-controller.php b/inc/rest-api/v1/frontend/class-lp-rest-lazy-load-controller.php
index 29e7f1b63..adcb97108 100644
--- a/inc/rest-api/v1/frontend/class-lp-rest-lazy-load-controller.php
+++ b/inc/rest-api/v1/frontend/class-lp-rest-lazy-load-controller.php
@@ -168,13 +168,14 @@ public function user_progress( WP_REST_Request $request ): LP_REST_Response {
 	 * @version 1.0.2
 	 */
 	public function course_curriculum( WP_REST_Request $request ): LP_REST_Response {
-		$response   = new LP_REST_Response();
-		$params     = $request->get_params();
-		$total_rows = 0;
-		$course_id  = absint( $params['courseId'] ?? 0 );
-		$per_page   = LP_Settings::get_option( 'section_per_page', -1 );
-		$page       = absint( $params['page'] ?? 1 );
-		$section_id = wp_unslash( $params['sectionID'] ?? false );
+		$response     = new LP_REST_Response();
+		$params       = $request->get_params();
+		$total_rows   = 0;
+		$course_id    = absint( $params['courseId'] ?? 0 );
+		$per_page     = LP_Settings::get_option( 'section_per_page', - 1 );
+		$page         = absint( $params['page'] ?? 1 );
+		$section_id   = wp_unslash( $params['sectionID'] ?? false );
+		$item_viewing = absint( $params['idItemViewing'] ?? 0 );
 
 		try {
 			ob_start();
@@ -243,17 +244,17 @@ public function course_curriculum( WP_REST_Request $request ): LP_REST_Response
 	 *
 	 * @param WP_REST_Request $request
 	 *
-	 * @author nhamdv
+	 * @return WP_REST_Response|WP_Error
 	 * @since 4.1.5
 	 * @version 1.0.2
-	 * @return WP_REST_Response|WP_Error
+	 * @author nhamdv
 	 */
 	public function course_curriculum_items( WP_REST_Request $request ) {
 		$params = $request->get_params();
 
 		$section_id = absint( $params['sectionId'] ?? 0 );
 		$course_id  = absint( $params['courseId'] ?? 0 );
-		$per_page   = LP_Settings::get_option( 'course_item_per_page', -1 );
+		$per_page   = LP_Settings::get_option( 'course_item_per_page', - 1 );
 		$page       = absint( $params['page'] ?? 1 );
 
 		$response                = new LP_REST_Response();