diff --git a/README.md b/README.md
index aac8bfb7..ca813dfa 100644
--- a/README.md
+++ b/README.md
@@ -81,7 +81,7 @@
 
 ![](doc/preview/carousel.png)
 
-## IntoBar提示框组件
+## InfoBar提示框组件
 
 ![](doc/preview/infobar.png)
 
diff --git a/example/T_Buttons.qml b/example/T_Buttons.qml
index 0e99cbca..52e540ce 100644
--- a/example/T_Buttons.qml
+++ b/example/T_Buttons.qml
@@ -189,4 +189,40 @@ FluScrollablePage{
             }
         }
     }
+
+    FluArea{
+        width: parent.width
+        height: 68
+        paddings: 10
+
+        FluDropDownButton{
+            disabled:drop_down_button_switch.selected
+            text:"DropDownButton"
+            anchors{
+                verticalCenter: parent.verticalCenter
+                left: parent.left
+            }
+            items:[
+                FluMenuItem{
+                    text:"asdf"
+                }
+            ]
+        }
+
+
+        Row{
+            spacing: 5
+            anchors{
+                verticalCenter: parent.verticalCenter
+                right: parent.right
+            }
+            FluToggleSwitch{
+                id:drop_down_button_switch
+                Layout.alignment: Qt.AlignRight
+            }
+            FluText{
+                text:"Disabled"
+            }
+        }
+    }
 }
diff --git a/src/controls/FluButton.qml b/src/controls/FluButton.qml
index a7269fbb..731f8fe7 100644
--- a/src/controls/FluButton.qml
+++ b/src/controls/FluButton.qml
@@ -36,7 +36,6 @@ Button {
     }
     contentItem: FluText {
         text: control.text
-        anchors.centerIn: parent
         horizontalAlignment: Text.AlignHCenter
         verticalAlignment: Text.AlignVCenter
         color: {
diff --git a/src/controls/FluDropDownButton.qml b/src/controls/FluDropDownButton.qml
index 17454a4f..fb668bc3 100644
--- a/src/controls/FluDropDownButton.qml
+++ b/src/controls/FluDropDownButton.qml
@@ -1,6 +1,79 @@
 import QtQuick 2.15
+import QtQuick.Controls 2.15
 import FluentUI 1.0
 
-Item {
+Button {
+
+    property bool disabled: false
+    property color normalColor: FluTheme.isDark ? Qt.rgba(62/255,62/255,62/255,1) : Qt.rgba(254/255,254/255,254/255,1)
+    property color hoverColor: FluTheme.isDark ? Qt.rgba(68/255,68/255,68/255,1) : Qt.rgba(251/255,251/255,251/255,1)
+    property color disableColor: FluTheme.isDark ? Qt.rgba(59/255,59/255,59/255,1) : Qt.rgba(252/255,252/255,252/255,1)
+
+    id: control
+    topPadding:5
+    bottomPadding:5
+    leftPadding:15
+    rightPadding:35
+    enabled: !disabled
+    focusPolicy:Qt.TabFocus
+
+    property alias items: menu.content
+
+    Keys.onSpacePressed: control.visualFocus&&clicked()
+
+    background: Rectangle{
+        border.color: FluTheme.isDark ? "#505050" : "#DFDFDF"
+        border.width: 1
+        radius: 4
+        FluFocusRectangle{
+            visible: control.visualFocus
+            radius:8
+        }
+        color:{
+            if(disabled){
+                return disableColor
+            }
+            return hovered ? hoverColor :normalColor
+        }
+        FluIcon{
+            iconSource:FluentIcons.ChevronDown
+            iconSize: 15
+            anchors{
+                right: parent.right
+                rightMargin: 10
+                verticalCenter: parent.verticalCenter
+            }
+            color:title.color
+        }
+
+    }
+    contentItem: FluText {
+        id:title
+        text: control.text
+        horizontalAlignment: Text.AlignHCenter
+        verticalAlignment: Text.AlignVCenter
+        color: {
+            if(FluTheme.isDark){
+                if(disabled){
+                    return Qt.rgba(131/255,131/255,131/255,1)
+                }
+                return Qt.rgba(1,1,1,1)
+            }else{
+                if(disabled){
+                    return Qt.rgba(160/255,160/255,160/255,1)
+                }
+                return Qt.rgba(0,0,0,1)
+            }
+        }
+    }
+
+    onClicked: {
+        menu.open()
+    }
+
+    FluMenu{
+       id:menu
+       width: control.width
+    }
 
 }
diff --git a/src/controls/FluMenu.qml b/src/controls/FluMenu.qml
index 629d4674..abac3b3f 100644
--- a/src/controls/FluMenu.qml
+++ b/src/controls/FluMenu.qml
@@ -6,9 +6,10 @@ Menu {
     id: popup
     default property alias content: container.data
 
+    width: 140
+    height: container.height
+
     background: Rectangle {
-        implicitWidth: 140
-        implicitHeight: container.height
         color:FluTheme.isDark ? Qt.rgba(45/255,45/255,45/255,1) : Qt.rgba(237/255,237/255,237/255,1)
         radius: 5
 
@@ -19,6 +20,7 @@ Menu {
             spacing: 5
             topPadding: 5
             bottomPadding: 5
+            width: popup.width
             id:container
             function closePopup(){
                 popup.close()
diff --git a/src/controls/FluMenuItem.qml b/src/controls/FluMenuItem.qml
index a1861d5c..0acf05e2 100644
--- a/src/controls/FluMenuItem.qml
+++ b/src/controls/FluMenuItem.qml
@@ -4,7 +4,12 @@ import QtQuick.Controls 2.15
 Item {
 
     id:root
-    width: 140
+    width: {
+        if(root.parent){
+            return root.parent.width
+        }
+        return 140
+    }
     height: 32
 
     property string text: "MenuItem"
@@ -12,7 +17,7 @@ Item {
 
     Rectangle{
         anchors.centerIn: parent
-        width: 100
+        width: root.width-40
         height: 32
         radius: 4
         color:{
diff --git a/src/controls/FluRadioButton.qml b/src/controls/FluRadioButton.qml
index 6c41b24f..cf2be038 100644
--- a/src/controls/FluRadioButton.qml
+++ b/src/controls/FluRadioButton.qml
@@ -32,7 +32,7 @@ Button {
                 if(selected&&disabled){
                     return 3
                 }
-                if(hovered){
+                if(pressed){
                     if(selected){
                         return 5
                     }
@@ -48,7 +48,7 @@ Button {
             }
             Behavior on border.width {
                 NumberAnimation{
-                    duration: 100
+                    duration: 150
                 }
             }
             border.color: {
diff --git a/src/controls/FluToggleSwitch.qml b/src/controls/FluToggleSwitch.qml
index 4165ca85..b1bc0c7f 100644
--- a/src/controls/FluToggleSwitch.qml
+++ b/src/controls/FluToggleSwitch.qml
@@ -61,6 +61,9 @@ Button {
             Behavior on x {
                 NumberAnimation { duration: 200 }
             }
+            Behavior on scale {
+                NumberAnimation { duration: 150 }
+            }
         }
     }