diff --git a/DeviceConnection.cpp b/DeviceConnection.cpp
index 95a04f2..a05729a 100644
--- a/DeviceConnection.cpp
+++ b/DeviceConnection.cpp
@@ -240,7 +240,7 @@ void DeviceConnection::updateAntiClipAreaPoints(bool enabled, const QList<QPoint
     m_requests.push(task);
 }
 
-void DeviceConnection::updateHelmetThreshold(int threshold) {
+QFuture<bool> DeviceConnection::updateHelmetThreshold(int threshold) {
     constexpr auto command = "thresholdwithhat_setdata";
     Task task;
     task.command = command;
@@ -254,10 +254,13 @@ void DeviceConnection::updateHelmetThreshold(int threshold) {
         auto text = boost::json::serialize(request);
         m_commandSocket->write(text.data(), text.size());
     };
+    task.future = std::make_shared<QFutureInterface<bool>>();
     if (m_requests.empty()) {
         task.task();
     }
+    auto ret = task.future->future();
     m_requests.push(task);
+    return ret;
 }
 
 void DeviceConnection::requestHelmetThreshold() {
@@ -741,6 +744,16 @@ QString DeviceConnection::handleCommand(const std::string_view &replyText, const
         auto &value = data.at("value").as_int64();
         m_infomation.helmetThreshold = value;
         emit helmetThresholdChanged(m_infomation.helmetThreshold);
+    } else if (function == "thresholdwithhat_setdata") {
+        if ((task != nullptr) && (task->command.toStdString() == function)) {
+            if (task->timeoutTimer) {
+                task->timeoutTimer->stop();
+            }
+            bool status = true;
+            if (task->future) {
+                task->future->reportFinished(&status);
+            }
+        }
     } else {
         LOG(warning) << "unknown reply: " << replyText;
     }
@@ -756,6 +769,7 @@ void DeviceConnection::onConnected() {
         requestAntiClipArea();
         requestNetworkInfomation();
         requestVideoInformation();
+        requestHelmetThreshold();
         emit connected();
         m_heartbeatTimerId = startTimer(2500);
         if (m_otaProgress == 99) {
diff --git a/DeviceConnection.h b/DeviceConnection.h
index 71e28e9..af15c3c 100644
--- a/DeviceConnection.h
+++ b/DeviceConnection.h
@@ -72,7 +72,7 @@ public:
     void updateAntiClipAreaPoints(bool enabled, const QList<QPointF> &points, int sensitivity);
     void requestResolution(Resolution resolution);
     void requestNetworkInfomation();
-    void updateHelmetThreshold(int threshold);
+    QFuture<bool> updateHelmetThreshold(int threshold);
     void requestHelmetThreshold();
     QFuture<bool> updateNetworkInfomation(bool dhcp, const QString &ip, const QString &netmask, const QString &gateway,
                                           const QString &dns);
diff --git a/qml/DeviceView.qml b/qml/DeviceView.qml
index cf4204d..d3f8977 100644
--- a/qml/DeviceView.qml
+++ b/qml/DeviceView.qml
@@ -17,6 +17,7 @@ Item {
     property var antiClipAreaPoints: []
     property bool antiClipAreaEnabled: false
     property int antiClipSensitivity: 1
+    property alias helmetThreshold: helmetInput.text
     property alias flip: flipSwitch.checked
     property alias videoRotation: rotateComboBox.currentIndex
 
@@ -335,6 +336,7 @@ Item {
         ComboBox {
             id: antiClipSensitivityComboBox
             enabled: root.enabled
+            implicitWidth: 60
             Layout.alignment: Qt.AlignLeft
             model: [1,2,3,4,5]
             currentIndex: root.antiClipSensitivity-1
@@ -343,12 +345,24 @@ Item {
             }
         }
 
-        Label { text: qsTr("安全帽灵敏度: ")
+        Label { text: qsTr("安全帽阈值: ")
             Layout.alignment: Qt.AlignRight
         }
         TextField {
+            id: helmetInput
             enabled: root.enabled
+            implicitWidth: 60
             Layout.alignment: Qt.AlignLeft
+            validator: IntValidator {
+                bottom: 0
+                top: 300
+            }
+            onAccepted: {
+                if(App.currentHelmetThreshold !== parseInt(helmetInput.text)){
+                    App.currentHelmetThreshold= parseInt(helmetInput.text)
+                    window.showSuccess("设置成功",2500)
+                }
+            }
         }
 
         Label {text: qsTr("屏蔽区域: ")}
diff --git a/qml/Main.qml b/qml/Main.qml
index 3f7feb4..1074da3 100644
--- a/qml/Main.qml
+++ b/qml/Main.qml
@@ -48,7 +48,8 @@ ApplicationWindow {
             id: emptyHint
             visible: false
             anchors.centerIn: parent
-            text: qsTr("未搜索到设备")
+            horizontalAlignment: Text.AlignHCenter
+            text: qsTr("未搜索到设备\n请尝试关闭Windows防火墙后再重试")
         }
         delegate: Rectangle {
             width: deviceList.width
@@ -120,6 +121,7 @@ ApplicationWindow {
         antiClipAreaEnabled: App.currentAntiClipAreaEnabled
         antiClipSensitivity: App.currentAntiClipSensitivity
         antiClipAreaPoints: App.currentAntiClipAreaPoints
+        helmetThreshold: App.currentHelmetThreshold
         flip: App.currentDeviceFlip
         videoRotation: App.currentDeviceRotation
     }