diff --git a/CHANGELOG.md b/CHANGELOG.md
index 81768b04c..11a296b2e 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,6 @@
+## 1.4.1
+* fix: build error on Flutter 3.13 by @LucasXu0 in ([#488](https://github.com/AppFlowy-IO/appflowy-editor/pull/488))
+
 ## 1.4.0
 * feat: adjust the loading large document optimization in mobile platform by @LucasXu0 in ([#474](https://github.com/AppFlowy-IO/appflowy-editor/pull/474))
 * feat: simplify auto scroll behavior in ScrollServiceWidget by @LucasXu0 in ([#437](https://github.com/AppFlowy-IO/appflowy-editor/pull/437))
diff --git a/example/lib/pages/desktop_editor.dart b/example/lib/pages/desktop_editor.dart
index fa5cb3053..eb279188f 100644
--- a/example/lib/pages/desktop_editor.dart
+++ b/example/lib/pages/desktop_editor.dart
@@ -142,7 +142,7 @@ class _DesktopEditorState extends State<DesktopEditor> {
     );
     // customize the padding
     map.forEach((key, value) {
-      value.configuration = BlockComponentConfiguration(
+      value.configuration = value.configuration.copyWith(
         padding: (_) => const EdgeInsets.symmetric(vertical: 8.0),
       );
     });
diff --git a/example/lib/pages/mobile_editor.dart b/example/lib/pages/mobile_editor.dart
index 9c95af43b..6248a91b3 100644
--- a/example/lib/pages/mobile_editor.dart
+++ b/example/lib/pages/mobile_editor.dart
@@ -55,6 +55,18 @@ class _MobileEditorState extends State<MobileEditor> {
           child: MobileFloatingToolbar(
             editorState: editorState,
             editorScrollController: editorScrollController,
+            toolbarBuilder: (context, anchor) {
+              return AdaptiveTextSelectionToolbar.editable(
+                clipboardStatus: ClipboardStatus.pasteable,
+                onCopy: () => copyCommand.execute(editorState),
+                onCut: () => cutCommand.execute(editorState),
+                onPaste: () => pasteCommand.execute(editorState),
+                onSelectAll: () => selectAllCommand.execute(editorState),
+                anchors: TextSelectionToolbarAnchors(
+                  primaryAnchor: anchor,
+                ),
+              );
+            },
             child: AppFlowyEditor(
               editorStyle: editorStyle,
               editorState: editorState,
@@ -128,6 +140,11 @@ class _MobileEditorState extends State<MobileEditor> {
         fontWeight: FontWeight.w600,
       ),
     );
+    map[ParagraphBlockKeys.type] = TextBlockComponentBuilder(
+      configuration: BlockComponentConfiguration(
+        placeholderText: (node) => 'Type something...',
+      ),
+    );
     return map;
   }
 }
diff --git a/lib/src/editor/toolbar/mobile/mobile_floating_toolbar/mobile_floating_toolbar.dart b/lib/src/editor/toolbar/mobile/mobile_floating_toolbar/mobile_floating_toolbar.dart
index a5ab1f824..ff216990f 100644
--- a/lib/src/editor/toolbar/mobile/mobile_floating_toolbar/mobile_floating_toolbar.dart
+++ b/lib/src/editor/toolbar/mobile/mobile_floating_toolbar/mobile_floating_toolbar.dart
@@ -19,11 +19,13 @@ class MobileFloatingToolbar extends StatefulWidget {
     required this.editorState,
     required this.editorScrollController,
     required this.child,
+    required this.toolbarBuilder,
   });
 
   final EditorState editorState;
   final EditorScrollController editorScrollController;
   final Widget child;
+  final Widget Function(BuildContext context, Offset anchor) toolbarBuilder;
 
   @override
   State<MobileFloatingToolbar> createState() => _MobileFloatingToolbarState();
@@ -149,18 +151,9 @@ class _MobileFloatingToolbarState extends State<MobileFloatingToolbar>
 
   Widget _buildToolbar(
     BuildContext context,
-    Offset? offset,
+    Offset offset,
   ) {
-    return AdaptiveTextSelectionToolbar.editable(
-      clipboardStatus: ClipboardStatus.pasteable,
-      onCopy: () => copyCommand.execute(editorState),
-      onCut: () => cutCommand.execute(editorState),
-      onPaste: () => pasteCommand.execute(editorState),
-      onSelectAll: () => selectAllCommand.execute(editorState),
-      anchors: TextSelectionToolbarAnchors(
-        primaryAnchor: offset ?? Offset.zero,
-      ),
-    );
+    return widget.toolbarBuilder(context, offset);
   }
 
   Rect _findSuitableRect(Iterable<Rect> rects) {
diff --git a/pubspec.yaml b/pubspec.yaml
index be22000fc..b5a4343ad 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: 1.4.0
+version: 1.4.1
 homepage: https://github.com/AppFlowy-IO/appflowy-editor
 
 platforms: