diff --git a/assets/flutter.db b/assets/flutter.db
index c9131a2..4b63520 100644
Binary files a/assets/flutter.db and b/assets/flutter.db differ
diff --git a/lib/blocs/global/global_bloc.dart b/lib/blocs/global/global_bloc.dart
index c3e22ed..3468ec9 100644
--- a/lib/blocs/global/global_bloc.dart
+++ b/lib/blocs/global/global_bloc.dart
@@ -48,6 +48,9 @@ class GlobalBloc extends Bloc<GlobalEvent, GlobalState> {
         ..setBool(SP.showBackground, event.show); //固化数据
       yield state.copyWith(showBackGround: event.show);
     }
+    if (event is EventSwitchShowOver) {
+      yield state.copyWith(showPerformanceOverlay: event.show);
+    }
 
     if (event is EventSwitchCoderTheme) {
       await sp
diff --git a/lib/blocs/global/global_event.dart b/lib/blocs/global/global_event.dart
index 48ceda7..198c5c5 100644
--- a/lib/blocs/global/global_event.dart
+++ b/lib/blocs/global/global_event.dart
@@ -50,6 +50,15 @@ class EventSwitchShowBg extends GlobalEvent {
   List<Object> get props => [show];
 }
 
+class EventSwitchShowOver extends GlobalEvent {
+  final bool show;
+
+  const EventSwitchShowOver(this.show);
+
+  @override
+  List<Object> get props => [show];
+}
+
 class EventChangeItemStyle extends GlobalEvent {
   final int index;
 
diff --git a/lib/blocs/global/global_state.dart b/lib/blocs/global/global_state.dart
index a1c4689..380cf14 100644
--- a/lib/blocs/global/global_state.dart
+++ b/lib/blocs/global/global_state.dart
@@ -7,6 +7,7 @@ class GlobalState extends Equatable {
   final bool showBackGround;
   final int codeStyleIndex;
   final int itemStyleIndex;
+  final bool showPerformanceOverlay;
 
   const GlobalState({
     this.fontFamily = 'ComicNeue',
@@ -14,11 +15,12 @@ class GlobalState extends Equatable {
     this.showBackGround = true,
     this.codeStyleIndex,
     this.itemStyleIndex,
+    this.showPerformanceOverlay=false,
   });
 
   @override
   List<Object> get props =>
-      [ fontFamily, themeColor, showBackGround, codeStyleIndex,itemStyleIndex];
+      [ fontFamily, themeColor, showBackGround, codeStyleIndex,itemStyleIndex,showPerformanceOverlay];
 
   GlobalState copyWith({
     double height,
@@ -27,6 +29,7 @@ class GlobalState extends Equatable {
     bool showBackGround,
     int codeStyleIndex,
     int itemStyleIndex,
+    bool showPerformanceOverlay,
   }) =>
       GlobalState(
         fontFamily: fontFamily ?? this.fontFamily,
@@ -34,12 +37,11 @@ class GlobalState extends Equatable {
         showBackGround: showBackGround ?? this.showBackGround,
         codeStyleIndex: codeStyleIndex ?? this.codeStyleIndex,
         itemStyleIndex: itemStyleIndex ?? this.itemStyleIndex,
+        showPerformanceOverlay: showPerformanceOverlay ?? this.showPerformanceOverlay,
       );
 
   @override
   String toString() {
-    return 'GlobalState{ fontFamily: $fontFamily, themeColor: $themeColor, showBackGround: $showBackGround, codeStyleIndex: $codeStyleIndex, itemStyleIndex: $itemStyleIndex}';
+    return 'GlobalState{fontFamily: $fontFamily, themeColor: $themeColor, showBackGround: $showBackGround, codeStyleIndex: $codeStyleIndex, itemStyleIndex: $itemStyleIndex, showPerformanceOverlay: $showPerformanceOverlay}';
   }
-
-
 }
diff --git a/lib/views/app/flutter_app.dart b/lib/views/app/flutter_app.dart
index 520ca8d..e38b18b 100644
--- a/lib/views/app/flutter_app.dart
+++ b/lib/views/app/flutter_app.dart
@@ -17,7 +17,7 @@ class FlutterApp extends StatelessWidget {
             categoryBloc: BlocProvider.of<CategoryBloc>(context)),
         child: MaterialApp(
 //            debugShowMaterialGrid: true,
-//            showPerformanceOverlay: true,
+            showPerformanceOverlay: state.showPerformanceOverlay,
 //            showSemanticsDebugger: true,
 //            checkerboardOffscreenLayers:true,
 //            checkerboardRasterCacheImages:true,
diff --git a/lib/views/pages/setting/setting_page.dart b/lib/views/pages/setting/setting_page.dart
index 483e5f2..63c6436 100644
--- a/lib/views/pages/setting/setting_page.dart
+++ b/lib/views/pages/setting/setting_page.dart
@@ -59,6 +59,9 @@ class SettingPage extends StatelessWidget {
           ),
           Divider(),
           _buildShowBg(context),
+          Divider(),
+          _buildShowOver(context),
+          Divider(),
           ListTile(
             leading: Icon(
               Icons.info,
@@ -88,6 +91,21 @@ class SettingPage extends StatelessWidget {
                 },
               ));
 
+  Widget _buildShowOver(BuildContext context) =>
+      BlocBuilder<GlobalBloc, GlobalState>(
+          builder: (_, state) => SwitchListTile(
+            value: state.showPerformanceOverlay,
+            secondary: Icon(
+              TolyIcon.icon_show,
+              color: Theme.of(context).primaryColor,
+            ),
+            title: Text('显示性能浮层'),
+            onChanged: (show) {
+              BlocProvider.of<GlobalBloc>(context)
+                  .add(EventSwitchShowOver(show));
+            },
+          ));
+
   Widget _nextIcon(BuildContext context) =>
       Icon(Icons.chevron_right, color: Theme.of(context).primaryColor);
 }
diff --git a/lib/views/widgets/exp/stateful_unit.dart b/lib/views/widgets/exp/stateful_unit.dart
index ab0ab01..b257089 100644
--- a/lib/views/widgets/exp/stateful_unit.dart
+++ b/lib/views/widgets/exp/stateful_unit.dart
@@ -28,6 +28,8 @@ export '../StatefulWidget/CircularProgressIndicator/node1_base.dart';
 export '../StatefulWidget/CupertinoActivityIndicator/node1_base.dart';
 export '../StatefulWidget/CupertinoSlider/node1_base.dart';
 export '../StatefulWidget/CupertinoSwitch/node1_base.dart';
+export '../StatefulWidget/CupertinoSegmentedControl/node1_base.dart';
+export '../StatefulWidget/CupertinoSegmentedControl/node2_color.dart';
 
 export '../StatefulWidget/Image/node1_base.dart';
 export '../StatefulWidget/Image/node2_fit.dart';
diff --git a/lib/views/widgets/widgets_map.dart b/lib/views/widgets/widgets_map.dart
index 1cc3df8..5d7059a 100644
--- a/lib/views/widgets/widgets_map.dart
+++ b/lib/views/widgets/widgets_map.dart
@@ -7,8 +7,6 @@ import 'exp/proxy_unit.dart';
 import 'exp/other_unit.dart';
 import 'exp/sliver_unit.dart';
 
-
-
 /// create by 张风捷特烈 on 2020-03-04
 /// contact me by email 1981462002@qq.com
 /// 说明:
@@ -25,6 +23,11 @@ class WidgetsMap {
           ContainerTransform(),
           ContainerConstraints()
         ];
+      case "CupertinoSegmentedControl":
+        return [
+          CupertinoSegmentedControlDemo(),
+          CupertinoSegmentedControlColor()
+        ];
       case "Text":
         return [
           CustomText(),
@@ -172,7 +175,7 @@ class WidgetsMap {
         return [
           NestedScrollViewDemo(),
         ];
-        case "SliverOverlapAbsorber":
+      case "SliverOverlapAbsorber":
         return [
           SliverOverlapAbsorberDemo(),
         ];
@@ -674,7 +677,8 @@ class WidgetsMap {
       case "LicensePage":
         return [
           CustomLicensePage(),
-        ];      case "Builder":
+        ];
+      case "Builder":
         return [
           BuilderDemo(),
         ];
@@ -692,7 +696,7 @@ class WidgetsMap {
         return [
           CustomTab(),
         ];
-        case "PreferredSize":
+      case "PreferredSize":
         return [
           CustomPreferredSize(),
           AdapterPreferredSize(),