diff --git a/AntiClipSettings.qrc b/AntiClipSettings.qrc
index 7d996ed..6e08a90 100644
--- a/AntiClipSettings.qrc
+++ b/AntiClipSettings.qrc
@@ -12,5 +12,7 @@
         <file>resources/prompt_delete.svg</file>
         <file>resources/successfull.svg</file>
         <file>resources/warning.svg</file>
+        <file>qml/MessageBar.qml</file>
+        <file>qml/Object.qml</file>
     </qresource>
 </RCC>
diff --git a/Application.cpp b/Application.cpp
index 5747c09..1f90714 100644
--- a/Application.cpp
+++ b/Application.cpp
@@ -210,6 +210,21 @@ void Application::setCurrentDeviceRotation(int rotation) {
     }
 }
 
+int Application::currentHelmetThreshold() const {
+    return m_currentHelmetThreshold;
+}
+
+void Application::setCurrentHelmetThreshold(int threshold) {
+    if (m_currentHelmetThreshold != threshold) {
+        m_currentHelmetThreshold = threshold;
+        emit currentHelmetThresholdChanged();
+        if (!m_device.expired()) {
+            auto device = m_device.lock();
+            device->updateHelmetThreshold(threshold);
+        }
+    }
+}
+
 void Application::updateNetworkInfomation(bool dhcp, const QString &ip, const QString &netmask, const QString &gateway,
                                           const QString &dns) {
     if (!m_device.expired()) {
@@ -231,6 +246,8 @@ void Application::connectToDevice(int index) {
         disconnect(device.get(), &DeviceConnection::openDoorAreaChanged, this, &Application::onDeviceOpenDoorArea);
         disconnect(device.get(), &DeviceConnection::shieldedAreaChanged, this, &Application::onDeviceShieldedArea);
         disconnect(device.get(), &DeviceConnection::antiClipAreaChanged, this, &Application::onDeviceAntiClipArea);
+        disconnect(device.get(), &DeviceConnection::helmetThresholdChanged, this,
+                   &Application::onDeviceHelmetThreshold);
         disconnect(device.get(), &DeviceConnection::networkInfomationChanged, this,
                    &Application::onDeviceNetworkInfomation);
         disconnect(device.get(), &DeviceConnection::firmwareChanged, this, &Application::onDeviceFirmware);
@@ -255,6 +272,7 @@ void Application::connectToDevice(int index) {
         connect(device.get(), &DeviceConnection::openDoorAreaChanged, this, &Application::onDeviceOpenDoorArea);
         connect(device.get(), &DeviceConnection::shieldedAreaChanged, this, &Application::onDeviceShieldedArea);
         connect(device.get(), &DeviceConnection::antiClipAreaChanged, this, &Application::onDeviceAntiClipArea);
+        connect(device.get(), &DeviceConnection::helmetThresholdChanged, this, &Application::onDeviceHelmetThreshold);
         connect(device.get(), &DeviceConnection::networkInfomationChanged, this,
                 &Application::onDeviceNetworkInfomation);
         connect(device.get(), &DeviceConnection::firmwareChanged, this, &Application::onDeviceFirmware);
@@ -283,6 +301,7 @@ void Application::connectToDevice(int index) {
         m_currentDeviceConnected = device->isConnected();
         m_currentDeviceFlip = info.flip;
         m_currentDeviceRotation = info.rotation;
+        m_currentHelmetThreshold = info.helmetThreshold;
         emit currentDeviceRotationChanged();
         emit currentDeviceFlipChanged();
         emit currentOpenDoorAreaPointsChanged();
@@ -292,6 +311,7 @@ void Application::connectToDevice(int index) {
         emit currentShieldedAreaEnabledChanged();
         emit currentAntiClipAreaEnabledChanged();
         emit currentAntiClipSensitivityChanged();
+        emit currentHelmetThresholdChanged();
         emit currentNetworkInfomationChanged();
     }
     emit currentFirmwareChanged();
@@ -358,6 +378,10 @@ void Application::onDeviceAntiClipArea(bool enabled, const QList<QPointF> &point
     setCurrentAntiClipSensitivity(sensitivity);
 }
 
+void Application::onDeviceHelmetThreshold(int threshold) {
+    setCurrentHelmetThreshold(threshold);
+}
+
 void Application::onDeviceNetworkInfomation(const NetworkInfomation &info) {
     m_currentNetworkInfomation = info;
     emit currentNetworkInfomationChanged();
diff --git a/Application.h b/Application.h
index 0b8cf0d..59e961e 100644
--- a/Application.h
+++ b/Application.h
@@ -35,6 +35,8 @@ class Application : public QObject {
     Q_PROPERTY(bool currentAntiClipAreaEnabled READ currentAntiClipAreaEnabled WRITE setCurrentAntiClipAreaEnabled
                    NOTIFY currentAntiClipAreaEnabledChanged)
     Q_PROPERTY(int currentAntiClipSensitivity READ currentAntiClipSensitivity WRITE setCurrentAntiClipSensitivity NOTIFY currentAntiClipSensitivityChanged)
+    Q_PROPERTY(int currentHelmetThreshold READ currentHelmetThreshold WRITE setCurrentHelmetThreshold NOTIFY
+                   currentHelmetThresholdChanged)
     Q_PROPERTY(QList<QPointF> currentAntiClipAreaPoints READ currentAntiClipAreaPoints WRITE
                    setCurrentAntiClipAreaPoints NOTIFY currentAntiClipAreaPointsChanged)
     Q_PROPERTY(
@@ -77,6 +79,9 @@ public:
     int currentDeviceRotation() const;
     void setCurrentDeviceRotation(int rotation);
 
+    int currentHelmetThreshold() const;
+    void setCurrentHelmetThreshold(int threshold);
+
     Q_INVOKABLE void updateOpenDoorAreaPoints(const QList<QPointF> &points);
     Q_INVOKABLE void updateAntiClipAreaPoints(const QList<QPointF> &points);
     Q_INVOKABLE void updateShieldedAreaPoints(const QList<QPointF> &points);
@@ -99,6 +104,7 @@ signals:
     void currentShieldedAreaEnabledChanged();
     void currentAntiClipAreaEnabledChanged();
     void currentAntiClipSensitivityChanged();
+    void currentHelmetThresholdChanged();
     void currentNetworkInfomationChanged();
     void currentFirmwareChanged();
     void currentDeviceConnectedChanged();
@@ -114,6 +120,7 @@ protected:
     void onDeviceOpenDoorArea(DeviceConnection::AreaWay way, const QList<QPointF> &points);
     void onDeviceShieldedArea(bool enabled, const QList<QPointF> &points);
     void onDeviceAntiClipArea(bool enabled, const QList<QPointF> &points, int sensitivity);
+    void onDeviceHelmetThreshold(int threshold);
     void onDeviceNetworkInfomation(const NetworkInfomation &info);
     void onDeviceFirmware(const QString &firmware);
     void onDeviceConnected();
@@ -140,6 +147,7 @@ private:
     bool m_currentDeviceConnected = false;
     bool m_currentDeviceFlip = false;
     int m_currentDeviceRotation = 0;
+    int m_currentHelmetThreshold = 1;
 };
 
 #endif // APPLICATION_H
diff --git a/DeviceConnection.cpp b/DeviceConnection.cpp
index 7ea3379..95a04f2 100644
--- a/DeviceConnection.cpp
+++ b/DeviceConnection.cpp
@@ -240,6 +240,45 @@ void DeviceConnection::updateAntiClipAreaPoints(bool enabled, const QList<QPoint
     m_requests.push(task);
 }
 
+void DeviceConnection::updateHelmetThreshold(int threshold) {
+    constexpr auto command = "thresholdwithhat_setdata";
+    Task task;
+    task.command = command;
+    task.task = [this, threshold, command]() {
+        boost::json::object request;
+        request["func"] = command;
+        request["deviceid"] = "0";
+        boost::json::object data;
+        data["value"] = threshold;
+        request["data"] = std::move(data);
+        auto text = boost::json::serialize(request);
+        m_commandSocket->write(text.data(), text.size());
+    };
+    if (m_requests.empty()) {
+        task.task();
+    }
+    m_requests.push(task);
+}
+
+void DeviceConnection::requestHelmetThreshold() {
+    constexpr auto command = "thresholdwithhat_getdata";
+    Task task;
+    task.command = command;
+    task.task = [this, command]() {
+        boost::json::object request;
+        request["func"] = command;
+        request["deviceid"] = "0";
+        boost::json::object data;
+        request["data"] = std::move(data);
+        auto text = boost::json::serialize(request);
+        m_commandSocket->write(text.data(), text.size());
+    };
+    if (m_requests.empty()) {
+        task.task();
+    }
+    m_requests.push(task);
+}
+
 void DeviceConnection::requestResolution(Resolution resolution) {
     Task task;
     task.command = "quality_setdata";
@@ -697,6 +736,11 @@ QString DeviceConnection::handleCommand(const std::string_view &replyText, const
         requestVideoInformation();
     } else if (function == "a12factory_setdata") {
         LOG(info) << "device factory reset";
+    } else if (function == "thresholdwithhat_getdata") {
+        auto &data = reply.at("data").as_object();
+        auto &value = data.at("value").as_int64();
+        m_infomation.helmetThreshold = value;
+        emit helmetThresholdChanged(m_infomation.helmetThreshold);
     } else {
         LOG(warning) << "unknown reply: " << replyText;
     }
diff --git a/DeviceConnection.h b/DeviceConnection.h
index 9cbc028..71e28e9 100644
--- a/DeviceConnection.h
+++ b/DeviceConnection.h
@@ -48,6 +48,7 @@ public:
         QList<QPointF> antiClipArea;
         bool antiClipAreaEnabled;
         int antiClipSensitivity = 1;
+        int helmetThreshold = 1;
     };
     Q_ENUM(AreaWay)
 
@@ -71,6 +72,8 @@ public:
     void updateAntiClipAreaPoints(bool enabled, const QList<QPointF> &points, int sensitivity);
     void requestResolution(Resolution resolution);
     void requestNetworkInfomation();
+    void updateHelmetThreshold(int threshold);
+    void requestHelmetThreshold();
     QFuture<bool> updateNetworkInfomation(bool dhcp, const QString &ip, const QString &netmask, const QString &gateway,
                                           const QString &dns);
     void requestVersion();
@@ -98,6 +101,7 @@ signals:
     void antiClipAreaChanged(bool enabled, const QList<QPointF> &points, int sensitivity);
     void rotationChanged(int rotation);
     void flipChanged(bool flip);
+    void helmetThresholdChanged(int threshold);
     void networkInfomationChanged(const NetworkInfomation &info);
     void firmwareChanged(const QString &firmware);
     void otaProgressChanged(bool status, int progress, const QString &message);
diff --git a/qml/DeviceView.qml b/qml/DeviceView.qml
index 9e785d5..cf4204d 100644
--- a/qml/DeviceView.qml
+++ b/qml/DeviceView.qml
@@ -247,13 +247,13 @@ Item {
         anchors.left: parent.left
         anchors.right: parent.right
         anchors.bottom: parent.bottom
-        columns: 4
+        columns: 6
 
         Label { text: qsTr("图像: ") }
 
         Row {
             enabled: root.enabled
-            Layout.columnSpan: 3
+            Layout.columnSpan: 5
             Label {
                 anchors.verticalCenter: parent.verticalCenter
                 text: qsTr("旋转")
@@ -283,7 +283,7 @@ Item {
         }
         Row {
             enabled: root.enabled
-            Layout.columnSpan: 3
+            Layout.columnSpan: 5
             RadioButton {
                 text: "关闭"
                 checked: App.currentOpenDoorAreaWay ==DeviceConnection.Diabled
@@ -343,6 +343,14 @@ Item {
             }
         }
 
+        Label { text: qsTr("安全帽灵敏度: ")
+            Layout.alignment: Qt.AlignRight
+        }
+        TextField {
+            enabled: root.enabled
+            Layout.alignment: Qt.AlignLeft
+        }
+
         Label {text: qsTr("屏蔽区域: ")}
         Row {
             id: shieldedRow
diff --git a/qml/Main.qml b/qml/Main.qml
index aae2e76..3f7feb4 100644
--- a/qml/Main.qml
+++ b/qml/Main.qml
@@ -195,6 +195,14 @@ ApplicationWindow {
         spacing: (parent.width - (2 * 100)) / 3
     }
 
+    MessageBar {
+        id: messageBar
+        root: window.contentItem
+    }
+    function showSuccess(text,duration){
+        return messageBar.showSuccess(text,duration)
+    }
+
     function showMessageDialog(type, title, message, callback) {
         let component = Qt.createComponent("MessageDialog.qml")
         if (component.status === Component.Ready) {
diff --git a/qml/MessageBar.qml b/qml/MessageBar.qml
new file mode 100644
index 0000000..575d5a7
--- /dev/null
+++ b/qml/MessageBar.qml
@@ -0,0 +1,101 @@
+import QtQuick 2.15
+import QtQuick.Controls 2.15
+
+Object {
+    id: control
+    property var root
+    property var screenLayout: null
+    property int layoutY: 75
+
+    function showSuccess(text,duration=1000){
+        return create("success",text,duration)
+    }
+
+    function create(type,text,duration){
+        if(screenLayout){
+            let last = screenLayout.getLastloader()
+            if(last.type === type && last.text === text){
+                last.duration = duration
+                if (duration > 0) last.restart()
+                return last
+            }
+        } else {
+            initScreenLayout()
+        }
+        return contentComponent.createObject(screenLayout,{type:type,text:text,duration:duration,})
+    }
+
+    function initScreenLayout() {
+        if(control.screenLayout == null) {
+            control.screenLayout = screenLayoutComponent.createObject(root)
+            screenLayout.y = control.layoutY
+            screenLayout.z = 100000
+        }
+    }
+
+    Component {
+        id:contentComponent
+        Rectangle {
+            id: content
+            property int duration: 1500
+            property string type
+            property alias text: message.text
+            color: "#EBF8ED"
+            radius: 3.2
+            border.width: 1
+            border.color: Qt.darker(content.color)
+            layer.enabled: true
+            x:(parent.width - width) / 2
+            width: 200
+            height: 32
+            Row {
+                anchors.fill: parent
+                Image {
+                    width: 32
+                    height: 32
+                    fillMode: Image.Pad
+                    source: "qrc:/qt/qml/AntiClipSettings/resources/successfull.svg"
+                    anchors.verticalCenter: parent.verticalCenter
+                }
+                Label {
+                    id: message
+                    anchors.verticalCenter: parent.verticalCenter
+                }
+            }
+            Timer {
+                id:delayTimer
+                interval: duration
+                running: duration > 0
+                repeat: duration > 0
+                onTriggered: content.close()
+            }
+            function close(){
+                content.destroy()
+            }
+        }
+    }
+
+    Component {
+        id:screenLayoutComponent
+        Column{
+            parent: Overlay.overlay
+            z:999
+            spacing: 5
+            width: root.width
+            move: Transition {
+               NumberAnimation {
+                    properties: "y"
+                    easing.type: Easing.InOutQuad
+                    duration: 167
+                }
+            }
+            onChildrenChanged: if(children.length === 0)  destroy()
+            function getLastloader(){
+                if(children.length > 0){
+                    return children[children.length - 1]
+                }
+                return null
+            }
+        }
+    }
+}
diff --git a/qml/Object.qml b/qml/Object.qml
new file mode 100644
index 0000000..e45b8b3
--- /dev/null
+++ b/qml/Object.qml
@@ -0,0 +1,5 @@
+import QtQml 2.15
+
+QtObject {
+    default property list<QtObject> children
+}