diff --git a/CHANGELOG.md b/CHANGELOG.md
index 42ee08197..4c5ca79ea 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,6 @@
+## 1.4.3
+* fix: the text within the `<mark>` tag didn't parse correctly when pasting HTML by @LucasXu0 in ([#501](https://github.com/AppFlowy-IO/appflowy-editor/pull/501))
+
 ## 1.4.2
 * fix: platform issue on Web by @LucasXu0 in ([#498](https://github.com/AppFlowy-IO/appflowy-editor/pull/498))
 
diff --git a/documentation/images/showcase.png b/documentation/images/showcase.png
index e686c9576..12e90be74 100644
Binary files a/documentation/images/showcase.png and b/documentation/images/showcase.png differ
diff --git a/example/lib/pages/customize_theme_for_editor.dart b/example/lib/pages/customize_theme_for_editor.dart
index 2f71a81b7..a79fd3fbc 100644
--- a/example/lib/pages/customize_theme_for_editor.dart
+++ b/example/lib/pages/customize_theme_for_editor.dart
@@ -4,6 +4,7 @@ import 'package:appflowy_editor/appflowy_editor.dart';
 import 'package:flutter/gestures.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter/services.dart';
+import 'package:google_fonts/google_fonts.dart';
 
 class CustomizeThemeForEditor extends StatefulWidget {
   const CustomizeThemeForEditor({super.key});
@@ -63,6 +64,11 @@ class _CustomizeThemeForEditorState extends State<CustomizeThemeForEditor> {
         editorState: editorState,
         editorStyle: customizeEditorStyle(),
         blockComponentBuilders: customBuilder(),
+        header: Image.asset(
+          'assets/images/header.png',
+          height: 200,
+          fit: BoxFit.cover,
+        ),
       ),
     );
   }
@@ -74,7 +80,7 @@ class _CustomizeThemeForEditorState extends State<CustomizeThemeForEditor> {
         if (HeadingBlockKeys.type == node.type) {
           return const EdgeInsets.symmetric(vertical: 30);
         }
-        return const EdgeInsets.symmetric(vertical: 10);
+        return const EdgeInsets.symmetric(vertical: 5);
       },
       textStyle: (node) {
         if (HeadingBlockKeys.type == node.type) {
@@ -139,13 +145,13 @@ class _CustomizeThemeForEditorState extends State<CustomizeThemeForEditor> {
   EditorStyle customizeEditorStyle() {
     return EditorStyle(
       padding: PlatformExtension.isDesktopOrWeb
-          ? const EdgeInsets.only(left: 100, right: 100, top: 20)
+          ? const EdgeInsets.only(left: 200, right: 200)
           : const EdgeInsets.symmetric(horizontal: 20),
       cursorColor: Colors.green,
       selectionColor: Colors.green.withOpacity(0.5),
       textStyleConfiguration: TextStyleConfiguration(
-        text: const TextStyle(
-          fontSize: 18.0,
+        text: GoogleFonts.poppins(
+          fontSize: 14.0,
           color: Colors.white,
         ),
         bold: const TextStyle(
diff --git a/pubspec.yaml b/pubspec.yaml
index 512490566..483b15799 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -1,6 +1,6 @@
 name: appflowy_editor
 description: A highly customizable rich-text editor for Flutter. The AppFlowy Editor project for AppFlowy and beyond.
-version: 1.4.2
+version: 1.4.3
 homepage: https://github.com/AppFlowy-IO/appflowy-editor
 
 platforms: