diff --git a/CHANGELOG.md b/CHANGELOG.md
index bb428a4..771a3d3 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,10 @@
 # Change log
 
+## 2.0.1
+oktoast support page level.
+
+you can use oktoast wrap your Scaffold.
+
 ## 2.0.0
 use BuildContext cache. then `showToast` not need context, you can use the `showToast` in anywhere.
 
diff --git a/README.md b/README.md
index 9dbb167..f6af9e3 100644
--- a/README.md
+++ b/README.md
@@ -28,7 +28,7 @@ And you can completely customize the style of toast, because now you can use `sh
 
 ```yaml
 dependencies:
-  oktoast: ^2.0.0
+  oktoast: ^2.0.1
 ```
 
 2.  import library in dart file
diff --git a/example/main.dart b/example/main.dart
index a581a5e..cbdda6d 100644
--- a/example/main.dart
+++ b/example/main.dart
@@ -61,7 +61,7 @@ class _MyHomePageState extends State<MyHomePage> {
         child: Container(
           width: 40.0,
           height: 40.0,
-           color: Colors.grey.withOpacity(0.3),
+          color: Colors.grey.withOpacity(0.3),
           child: Icon(
             Icons.add,
             size: 30.0,
@@ -75,9 +75,7 @@ class _MyHomePageState extends State<MyHomePage> {
       duration: Duration(seconds: 3),
     );
 
-    setState(() {
-
-    });
+    setState(() {});
   }
 
   @override
diff --git a/lib/oktoast.dart b/lib/oktoast.dart
index 1a350d5..86a8a35 100644
--- a/lib/oktoast.dart
+++ b/lib/oktoast.dart
@@ -1,3 +1,3 @@
 library oktoast;
 
-export 'src/toast.dart' show showToast,showToastWidget, OKToast, ToastPosition;
+export 'src/toast.dart' show showToast, showToastWidget, OKToast, ToastPosition;
diff --git a/lib/src/toast.dart b/lib/src/toast.dart
index b76ffca..cebccdd 100644
--- a/lib/src/toast.dart
+++ b/lib/src/toast.dart
@@ -25,7 +25,7 @@ class OKToast extends StatefulWidget {
   const OKToast({
     Key key,
     @required this.child,
-    this.textStyle = const TextStyle(fontSize: 15.0),
+    this.textStyle,
     this.radius = 10.0,
     this.position = ToastPosition.center,
     Color backgroundColor,
@@ -79,11 +79,21 @@ class _OKToastState extends State<OKToast> {
       textDirection: TextDirection.ltr,
     );
 
+    var typography = Typography(platform: TargetPlatform.android);
+    final TextTheme defaultTextTheme = typography.white;
+
+    TextStyle textStyle = widget.textStyle ??
+        defaultTextTheme.body1.copyWith(
+          fontSize: 15.0,
+          fontWeight: FontWeight.normal,
+          color: Colors.white,
+        );
+
     return _ToastTheme(
       child: w,
       backgroundColor: widget.backgroundColor,
       radius: widget.radius,
-      textStyle: widget.textStyle,
+      textStyle: textStyle,
       position: widget.position,
     );
   }
@@ -205,11 +215,14 @@ class ToastPosition {
 
   const ToastPosition({this.align = Alignment.center, this.offset = 0.0});
 
-  static const center = const ToastPosition(align: Alignment.center, offset: 0.0);
+  static const center =
+      const ToastPosition(align: Alignment.center, offset: 0.0);
 
-  static const bottom = const ToastPosition(align: Alignment.bottomCenter, offset: -30.0);
+  static const bottom =
+      const ToastPosition(align: Alignment.bottomCenter, offset: -30.0);
 
-  static const top = const ToastPosition(align: Alignment.topCenter, offset: 75.0);
+  static const top =
+      const ToastPosition(align: Alignment.topCenter, offset: 75.0);
 }
 
 class _ToastTheme extends InheritedWidget {
@@ -232,5 +245,6 @@ class _ToastTheme extends InheritedWidget {
     Widget child,
   }) : super(child: child);
 
-  static _ToastTheme of(BuildContext context) => context.inheritFromWidgetOfExactType(_ToastTheme);
+  static _ToastTheme of(BuildContext context) =>
+      context.inheritFromWidgetOfExactType(_ToastTheme);
 }
diff --git a/pubspec.yaml b/pubspec.yaml
index 6ff0232..a3a60a1 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -1,6 +1,6 @@
 name: oktoast
 description: A pure flutter toast library, easy to use. You can use this library to achieve the same effect as Android toast. Support custom style/widget.
-version: 2.0.0
+version: 2.0.1
 author: Caijinglong<cjl_spy@163.com>
 homepage: https://github.com/OpenFlutter/flutter_oktoast
 email: cjl_spy@163.com