diff --git a/example/android/app/src/main/AndroidManifest.xml b/example/android/app/src/main/AndroidManifest.xml
index 55ca830..10d6754 100644
--- a/example/android/app/src/main/AndroidManifest.xml
+++ b/example/android/app/src/main/AndroidManifest.xml
@@ -7,7 +7,7 @@
          FlutterApplication and put your custom class here. -->
     <application
         android:name="io.flutter.app.FlutterApplication"
-        android:label="example"
+        android:label="安速组件"
         android:icon="@mipmap/ic_launcher">
         <activity
             android:name=".MainActivity"
diff --git a/example/android/app/src/main/ic_launcher-playstore.png b/example/android/app/src/main/ic_launcher-playstore.png
new file mode 100644
index 0000000..70ce74e
Binary files /dev/null and b/example/android/app/src/main/ic_launcher-playstore.png differ
diff --git a/example/android/app/src/main/res/drawable/ic_launcher_background.xml b/example/android/app/src/main/res/drawable/ic_launcher_background.xml
new file mode 100644
index 0000000..ca3826a
--- /dev/null
+++ b/example/android/app/src/main/res/drawable/ic_launcher_background.xml
@@ -0,0 +1,74 @@
+<?xml version="1.0" encoding="utf-8"?>
+<vector
+    android:height="108dp"
+    android:width="108dp"
+    android:viewportHeight="108"
+    android:viewportWidth="108"
+    xmlns:android="http://schemas.android.com/apk/res/android">
+    <path android:fillColor="#3DDC84"
+          android:pathData="M0,0h108v108h-108z"/>
+    <path android:fillColor="#00000000" android:pathData="M9,0L9,108"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M19,0L19,108"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M29,0L29,108"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M39,0L39,108"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M49,0L49,108"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M59,0L59,108"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M69,0L69,108"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M79,0L79,108"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M89,0L89,108"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M99,0L99,108"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M0,9L108,9"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M0,19L108,19"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M0,29L108,29"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M0,39L108,39"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M0,49L108,49"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M0,59L108,59"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M0,69L108,69"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M0,79L108,79"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M0,89L108,89"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M0,99L108,99"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M19,29L89,29"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M19,39L89,39"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M19,49L89,49"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M19,59L89,59"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M19,69L89,69"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M19,79L89,79"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M29,19L29,89"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M39,19L39,89"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M49,19L49,89"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M59,19L59,89"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M69,19L69,89"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M79,19L79,89"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+</vector>
diff --git a/example/android/app/src/main/res/mipmap-anydpi-v26/ic_launcher.xml b/example/android/app/src/main/res/mipmap-anydpi-v26/ic_launcher.xml
new file mode 100644
index 0000000..c4a603d
--- /dev/null
+++ b/example/android/app/src/main/res/mipmap-anydpi-v26/ic_launcher.xml
@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
+<adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
+    <background android:drawable="@drawable/ic_launcher_background"/>
+    <foreground android:drawable="@mipmap/ic_launcher_foreground"/>
+</adaptive-icon>
\ No newline at end of file
diff --git a/example/android/app/src/main/res/mipmap-anydpi-v26/ic_launcher_round.xml b/example/android/app/src/main/res/mipmap-anydpi-v26/ic_launcher_round.xml
new file mode 100644
index 0000000..c4a603d
--- /dev/null
+++ b/example/android/app/src/main/res/mipmap-anydpi-v26/ic_launcher_round.xml
@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
+<adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
+    <background android:drawable="@drawable/ic_launcher_background"/>
+    <foreground android:drawable="@mipmap/ic_launcher_foreground"/>
+</adaptive-icon>
\ No newline at end of file
diff --git a/example/android/app/src/main/res/mipmap-hdpi/ic_launcher.png b/example/android/app/src/main/res/mipmap-hdpi/ic_launcher.png
index db77bb4..9bcc433 100644
Binary files a/example/android/app/src/main/res/mipmap-hdpi/ic_launcher.png and b/example/android/app/src/main/res/mipmap-hdpi/ic_launcher.png differ
diff --git a/example/android/app/src/main/res/mipmap-hdpi/ic_launcher_foreground.png b/example/android/app/src/main/res/mipmap-hdpi/ic_launcher_foreground.png
new file mode 100644
index 0000000..fcb19ea
Binary files /dev/null and b/example/android/app/src/main/res/mipmap-hdpi/ic_launcher_foreground.png differ
diff --git a/example/android/app/src/main/res/mipmap-hdpi/ic_launcher_round.png b/example/android/app/src/main/res/mipmap-hdpi/ic_launcher_round.png
new file mode 100644
index 0000000..ff662e6
Binary files /dev/null and b/example/android/app/src/main/res/mipmap-hdpi/ic_launcher_round.png differ
diff --git a/example/android/app/src/main/res/mipmap-mdpi/ic_launcher.png b/example/android/app/src/main/res/mipmap-mdpi/ic_launcher.png
index 17987b7..9f27c33 100644
Binary files a/example/android/app/src/main/res/mipmap-mdpi/ic_launcher.png and b/example/android/app/src/main/res/mipmap-mdpi/ic_launcher.png differ
diff --git a/example/android/app/src/main/res/mipmap-mdpi/ic_launcher_foreground.png b/example/android/app/src/main/res/mipmap-mdpi/ic_launcher_foreground.png
new file mode 100644
index 0000000..886f432
Binary files /dev/null and b/example/android/app/src/main/res/mipmap-mdpi/ic_launcher_foreground.png differ
diff --git a/example/android/app/src/main/res/mipmap-mdpi/ic_launcher_round.png b/example/android/app/src/main/res/mipmap-mdpi/ic_launcher_round.png
new file mode 100644
index 0000000..fbe2790
Binary files /dev/null and b/example/android/app/src/main/res/mipmap-mdpi/ic_launcher_round.png differ
diff --git a/example/android/app/src/main/res/mipmap-xhdpi/ic_launcher.png b/example/android/app/src/main/res/mipmap-xhdpi/ic_launcher.png
index 09d4391..a482cb3 100644
Binary files a/example/android/app/src/main/res/mipmap-xhdpi/ic_launcher.png and b/example/android/app/src/main/res/mipmap-xhdpi/ic_launcher.png differ
diff --git a/example/android/app/src/main/res/mipmap-xhdpi/ic_launcher_foreground.png b/example/android/app/src/main/res/mipmap-xhdpi/ic_launcher_foreground.png
new file mode 100644
index 0000000..f0ab7b4
Binary files /dev/null and b/example/android/app/src/main/res/mipmap-xhdpi/ic_launcher_foreground.png differ
diff --git a/example/android/app/src/main/res/mipmap-xhdpi/ic_launcher_round.png b/example/android/app/src/main/res/mipmap-xhdpi/ic_launcher_round.png
new file mode 100644
index 0000000..3965a65
Binary files /dev/null and b/example/android/app/src/main/res/mipmap-xhdpi/ic_launcher_round.png differ
diff --git a/example/android/app/src/main/res/mipmap-xxhdpi/ic_launcher.png b/example/android/app/src/main/res/mipmap-xxhdpi/ic_launcher.png
index d5f1c8d..4a66ce1 100644
Binary files a/example/android/app/src/main/res/mipmap-xxhdpi/ic_launcher.png and b/example/android/app/src/main/res/mipmap-xxhdpi/ic_launcher.png differ
diff --git a/example/android/app/src/main/res/mipmap-xxhdpi/ic_launcher_foreground.png b/example/android/app/src/main/res/mipmap-xxhdpi/ic_launcher_foreground.png
new file mode 100644
index 0000000..3b6d58d
Binary files /dev/null and b/example/android/app/src/main/res/mipmap-xxhdpi/ic_launcher_foreground.png differ
diff --git a/example/android/app/src/main/res/mipmap-xxhdpi/ic_launcher_round.png b/example/android/app/src/main/res/mipmap-xxhdpi/ic_launcher_round.png
new file mode 100644
index 0000000..2c5edb7
Binary files /dev/null and b/example/android/app/src/main/res/mipmap-xxhdpi/ic_launcher_round.png differ
diff --git a/example/android/app/src/main/res/mipmap-xxxhdpi/ic_launcher.png b/example/android/app/src/main/res/mipmap-xxxhdpi/ic_launcher.png
index 4d6372e..b128932 100644
Binary files a/example/android/app/src/main/res/mipmap-xxxhdpi/ic_launcher.png and b/example/android/app/src/main/res/mipmap-xxxhdpi/ic_launcher.png differ
diff --git a/example/android/app/src/main/res/mipmap-xxxhdpi/ic_launcher_foreground.png b/example/android/app/src/main/res/mipmap-xxxhdpi/ic_launcher_foreground.png
new file mode 100644
index 0000000..bde8c57
Binary files /dev/null and b/example/android/app/src/main/res/mipmap-xxxhdpi/ic_launcher_foreground.png differ
diff --git a/example/android/app/src/main/res/mipmap-xxxhdpi/ic_launcher_round.png b/example/android/app/src/main/res/mipmap-xxxhdpi/ic_launcher_round.png
new file mode 100644
index 0000000..2d5a631
Binary files /dev/null and b/example/android/app/src/main/res/mipmap-xxxhdpi/ic_launcher_round.png differ
diff --git a/example/pubspec.lock b/example/pubspec.lock
index c05921d..ad62fde 100644
--- a/example/pubspec.lock
+++ b/example/pubspec.lock
@@ -65,7 +65,7 @@ packages:
       name: charcode
       url: "https://pub.flutter-io.cn"
     source: hosted
-    version: "1.2.0-nullsafety.1"
+    version: "1.1.3"
   cli_util:
     dependency: transitive
     description:
@@ -112,7 +112,7 @@ packages:
       name: flutter_easyrefresh
       url: "https://pub.flutter-io.cn"
     source: hosted
-    version: "2.1.6"
+    version: "2.1.8"
   flutter_localizations:
     dependency: "direct main"
     description: flutter
@@ -138,7 +138,7 @@ packages:
       name: get
       url: "https://pub.flutter-io.cn"
     source: hosted
-    version: "3.17.1"
+    version: "3.25.6"
   glob:
     dependency: transitive
     description:
@@ -173,14 +173,14 @@ packages:
       name: image_picker
       url: "https://pub.flutter-io.cn"
     source: hosted
-    version: "0.6.7+15"
+    version: "0.6.7+22"
   image_picker_platform_interface:
     dependency: transitive
     description:
       name: image_picker_platform_interface
       url: "https://pub.flutter-io.cn"
     source: hosted
-    version: "1.1.1"
+    version: "1.1.6"
   intl:
     dependency: transitive
     description:
@@ -201,7 +201,7 @@ packages:
       name: lpinyin
       url: "https://pub.flutter-io.cn"
     source: hosted
-    version: "1.1.0"
+    version: "1.1.1"
   meta:
     dependency: transitive
     description:
@@ -255,7 +255,7 @@ packages:
       name: source_span
       url: "https://pub.flutter-io.cn"
     source: hosted
-    version: "1.8.0-nullsafety.2"
+    version: "1.7.0"
   states_rebuilder:
     dependency: transitive
     description:
@@ -269,14 +269,14 @@ packages:
       name: string_scanner
       url: "https://pub.flutter-io.cn"
     source: hosted
-    version: "1.1.0-nullsafety.1"
+    version: "1.0.5"
   term_glyph:
     dependency: transitive
     description:
       name: term_glyph
       url: "https://pub.flutter-io.cn"
     source: hosted
-    version: "1.2.0-nullsafety.1"
+    version: "1.1.0"
   typed_data:
     dependency: transitive
     description:
@@ -297,7 +297,14 @@ packages:
       name: velocity_x
       url: "https://pub.flutter-io.cn"
     source: hosted
-    version: "1.3.1"
+    version: "1.4.1"
+  vxstate:
+    dependency: transitive
+    description:
+      name: vxstate
+      url: "https://pub.flutter-io.cn"
+    source: hosted
+    version: "1.0.1"
 sdks:
   dart: ">=2.10.0 <2.11.0"
   flutter: ">=1.17.0 <2.0.0"
diff --git a/lib/bar/as_tabbar.dart b/lib/bar/as_tabbar.dart
index 4418ce2..0a5476c 100644
--- a/lib/bar/as_tabbar.dart
+++ b/lib/bar/as_tabbar.dart
@@ -10,7 +10,7 @@ import 'package:velocity_x/velocity_x.dart';
 /// [items]
 ///
 /// [controller] see more TabController
-class ASTabBar extends StatefulWidget implements PreferredSizeWidget {
+class ASTabBar extends StatelessWidget implements PreferredSizeWidget {
   ///items
   final List<String> items;
 
@@ -49,24 +49,16 @@ class ASTabBar extends StatefulWidget implements PreferredSizeWidget {
       : items = null,
         super(key: key);
 
-  @override
-  _ASTabBarState createState() => _ASTabBarState();
-
-  @override
-  Size get preferredSize => Size.fromHeight(46);
-}
-
-class _ASTabBarState extends State<ASTabBar> {
-  bool get isTag => widget.items?.isEmpty ?? true;
+  bool get isTag => items?.isEmpty ?? true;
   @override
   Widget build(BuildContext context) {
     return Align(
       alignment: Alignment.center,
       child: TabBar(
-        isScrollable: widget.isScrollable,
-        controller: widget.controller,
+        isScrollable: isScrollable,
+        controller: controller,
         tabs: isTag
-            ? widget.tabItems.map((e) {
+            ? tabItems.map((e) {
                 return Tab(
                   child: ASBadge(
                     child: e.title.text.make(),
@@ -74,7 +66,7 @@ class _ASTabBarState extends State<ASTabBar> {
                   ),
                 );
               }).toList()
-            : widget.items
+            : items
                 .map((e) => Tab(
                       child: e.text.make(),
                     ))
@@ -94,4 +86,7 @@ class _ASTabBarState extends State<ASTabBar> {
       ),
     );
   }
+
+  @override
+  Size get preferredSize => Size.fromHeight(46);
 }
diff --git a/pubspec.lock b/pubspec.lock
index b363d7c..1818bb9 100644
--- a/pubspec.lock
+++ b/pubspec.lock
@@ -98,7 +98,7 @@ packages:
       name: flutter_easyrefresh
       url: "https://pub.flutter-io.cn"
     source: hosted
-    version: "2.1.6"
+    version: "2.1.8"
   flutter_plugin_android_lifecycle:
     dependency: transitive
     description:
@@ -145,14 +145,14 @@ packages:
       name: image_picker
       url: "https://pub.flutter-io.cn"
     source: hosted
-    version: "0.6.7+15"
+    version: "0.6.7+22"
   image_picker_platform_interface:
     dependency: transitive
     description:
       name: image_picker_platform_interface
       url: "https://pub.flutter-io.cn"
     source: hosted
-    version: "1.1.1"
+    version: "1.1.6"
   intl:
     dependency: transitive
     description:
@@ -166,7 +166,7 @@ packages:
       name: lpinyin
       url: "https://pub.flutter-io.cn"
     source: hosted
-    version: "1.1.0"
+    version: "1.1.1"
   matcher:
     dependency: transitive
     description:
@@ -276,7 +276,14 @@ packages:
       name: velocity_x
       url: "https://pub.flutter-io.cn"
     source: hosted
-    version: "1.3.1"
+    version: "1.4.1"
+  vxstate:
+    dependency: transitive
+    description:
+      name: vxstate
+      url: "https://pub.flutter-io.cn"
+    source: hosted
+    version: "1.0.1"
 sdks:
   dart: ">=2.10.0-110 <2.11.0"
   flutter: ">=1.17.0 <2.0.0"
diff --git a/pubspec.yaml b/pubspec.yaml
index f5abe08..26b21b2 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -11,9 +11,9 @@ dependencies:
   flutter:
     sdk: flutter
   flutter_screenutil: ^3.2.0
-  flutter_easyrefresh: ^2.1.6
-  lpinyin: ^1.1.0
-  image_picker: ^0.6.7+15
+  flutter_easyrefresh: ^2.1.8
+  lpinyin: ^1.1.1
+  image_picker: ^0.6.7+22
   bot_toast: ^3.0.5
   velocity_x:
   expandable: ^4.1.4