diff --git a/example/lib/codeviewer/code_style.dart b/example/lib/codeviewer/code_style.dart
index 8754484..22f3412 100644
--- a/example/lib/codeviewer/code_style.dart
+++ b/example/lib/codeviewer/code_style.dart
@@ -26,8 +26,8 @@ class CodeStyle extends InheritedWidget {
   final TextStyle? classStyle;
   final TextStyle? constantStyle;
 
-  static CodeStyle? of(BuildContext context) {
-    return context.dependOnInheritedWidgetOfExactType<CodeStyle>();
+  static CodeStyle of(BuildContext context) {
+    return context.dependOnInheritedWidgetOfExactType<CodeStyle>()!;
   }
 
   @override
@@ -40,4 +40,4 @@ class CodeStyle extends InheritedWidget {
       oldWidget.punctuationStyle != punctuationStyle ||
       oldWidget.classStyle != classStyle ||
       oldWidget.constantStyle != constantStyle;
-}
\ No newline at end of file
+}
diff --git a/example/lib/widgets/example_chart.dart b/example/lib/widgets/example_chart.dart
index 971c3f9..53d84c1 100644
--- a/example/lib/widgets/example_chart.dart
+++ b/example/lib/widgets/example_chart.dart
@@ -1,6 +1,9 @@
 import 'package:ansu_ui/ansu_ui.dart';
 import 'package:ansu_ui/chart/circle_chart_widget.dart';
+import 'package:example/codeviewer/code_segments.dart';
+import 'package:example/common/code_view.dart';
 import 'package:flutter/material.dart';
+import 'package:get/get.dart';
 
 class ExampleChart extends StatefulWidget {
   const ExampleChart({Key? key}) : super(key: key);
@@ -14,6 +17,14 @@ class _ExampleChartState extends State<ExampleChart> {
   Widget build(BuildContext context) {
     return ASScaffold(
       title: 'chart',
+      actions: [
+        IconButton(
+          icon: Icon(Icons.code, color: Colors.black54),
+          onPressed: () => Get.to(CodeView(
+            text: (context) => CodeSegments.button(context),
+          )),
+        ),
+      ],
       body: ListView(
         children: [
           20.hb,
diff --git a/example/lib/widgets/example_divider.dart b/example/lib/widgets/example_divider.dart
index 997e1f1..2227794 100644
--- a/example/lib/widgets/example_divider.dart
+++ b/example/lib/widgets/example_divider.dart
@@ -1,6 +1,9 @@
 import 'package:ansu_ui/ansu_ui.dart';
 import 'package:ansu_ui/divider/as_dotted_divider.dart';
+import 'package:example/codeviewer/code_segments.dart';
+import 'package:example/common/code_view.dart';
 import 'package:flutter/material.dart';
+import 'package:get/get.dart';
 
 class ExampleDivider extends StatefulWidget {
   ExampleDivider({Key? key}) : super(key: key);
@@ -14,6 +17,14 @@ class _ExampleDividerState extends State<ExampleDivider> {
   Widget build(BuildContext context) {
     return ASScaffold(
       title: '分割线',
+      actions: [
+        IconButton(
+          icon: Icon(Icons.code, color: Colors.black54),
+          onPressed: () => Get.to(CodeView(
+            text: (context) => CodeSegments.button(context),
+          )),
+        ),
+      ],
       body: Center(
         child: Column(
           children: [
@@ -49,7 +60,6 @@ class _ExampleDividerState extends State<ExampleDivider> {
             ASDottedDivider.horizontal(
               color: Colors.black,
             ),
-            
             Container(
               height: 100.w,
               child: Row(