diff --git a/Assets/Scripts/UI/Pages/DeviceInfoPage/AboutDevicePage.cs b/Assets/Scripts/UI/Pages/DeviceInfoPage/AboutDevicePage.cs
index 986b436..3257723 100644
--- a/Assets/Scripts/UI/Pages/DeviceInfoPage/AboutDevicePage.cs
+++ b/Assets/Scripts/UI/Pages/DeviceInfoPage/AboutDevicePage.cs
@@ -109,6 +109,8 @@ namespace Kill.UI.Pages
             UIManager.Instance.RegisterBackAction(GetComponentInParent<DeviceInfoPage>().Back);
             Destroy(gameObject);
         }
+        /// <summary>当前已打开的WiFi设置页实例(防连点重入)</summary>
+        private SetWifiPage currentWifiPage;
         public void OnWifiButtonClick()
         {
             // WiFi模式下不支持设置WiFi
@@ -117,18 +119,24 @@ namespace Kill.UI.Pages
                 ToastUI.Show("100293");
                 return;
             }
-            SetWifiPage wifiPage=Instantiate(setWifiPage, transform);
-            wifiPage.gameObject.SetActive(true);
-            wifiPage.Init(WIfiCallback);
+            // 防连点：页面已打开时忽略重复触发
+            if (currentWifiPage != null) return;
+            currentWifiPage=Instantiate(setWifiPage, transform);
+            currentWifiPage.gameObject.SetActive(true);
+            currentWifiPage.Init(WIfiCallback);
         }
         public void WIfiCallback(string ssid)
         {
             infoTexts[5].text = ssid;
         }
+        /// <summary>当前已打开的固件更新页实例(防连点重入)</summary>
+        private FirmwareUpdatePage currentFirmwareUpdatePage;
         public void OnFirmwareUpdateButtonClick()
         {
-            FirmwareUpdatePage page = Instantiate(firmwareUpdatePage, transform);
-            page.gameObject.SetActive(true);
+            // 防连点：页面已打开时忽略重复触发
+            if (currentFirmwareUpdatePage != null) return;
+            currentFirmwareUpdatePage = Instantiate(firmwareUpdatePage, transform);
+            currentFirmwareUpdatePage.gameObject.SetActive(true);
         }
     }
 
diff --git a/Assets/Scripts/UI/Pages/DeviceInfoPage/DeviceInfoPage.cs b/Assets/Scripts/UI/Pages/DeviceInfoPage/DeviceInfoPage.cs
index 8101a83..46faa05 100644
--- a/Assets/Scripts/UI/Pages/DeviceInfoPage/DeviceInfoPage.cs
+++ b/Assets/Scripts/UI/Pages/DeviceInfoPage/DeviceInfoPage.cs
@@ -260,11 +260,15 @@ namespace Kill.UI.Pages
             string value = ison ? LanguageManager.Instance.GetLanguage("100099") : LanguageManager.Instance.GetLanguage("100100");
             return value;
         }
+        /// <summary>当前已打开的RGB设置页实例(防连点重入)</summary>
+        private RGBlightSetting currentRgbSetting;
         public void OpenRgbSetting()
         {
-            RGBlightSetting settingPage = Instantiate(rGBlightSetting.gameObject, transform).GetComponent<RGBlightSetting>();
-            settingPage.gameObject.SetActive(true);
-            settingPage.Init(CloseRgbSetting, rGBControl);
+            // 防连点：页面已打开时忽略重复触发
+            if (currentRgbSetting != null) return;
+            currentRgbSetting = Instantiate(rGBlightSetting.gameObject, transform).GetComponent<RGBlightSetting>();
+            currentRgbSetting.gameObject.SetActive(true);
+            currentRgbSetting.Init(CloseRgbSetting, rGBControl);
         }
         public void CloseRgbSetting(RGBControl ct)
         {
@@ -272,22 +276,30 @@ namespace Kill.UI.Pages
             rgbValue.text = GetOnOffValue(rGBControl.Enable);
             UIManager.Instance.RegisterBackAction(Back);
         }
+        /// <summary>当前已打开的LCD设置页实例(防连点重入)</summary>
+        private LCDSetting currentLcdSetting;
         public void OpenLCDSetting()
         {
-            LCDSetting settingPage = Instantiate(lcdSetting.gameObject, transform).GetComponent<LCDSetting>();
-            settingPage.gameObject.SetActive(true);
-            settingPage.Init(CloseLCDSetting);
+            // 防连点：页面已打开时忽略重复触发
+            if (currentLcdSetting != null) return;
+            currentLcdSetting = Instantiate(lcdSetting.gameObject, transform).GetComponent<LCDSetting>();
+            currentLcdSetting.gameObject.SetActive(true);
+            currentLcdSetting.Init(CloseLCDSetting);
         }
         public void CloseLCDSetting()
         {
             UIManager.Instance.RegisterBackAction(Back);
         }
         public RenamePage renamePage;
+        /// <summary>当前已打开的重命名页实例(防连点重入)</summary>
+        private RenamePage currentRenamePage;
         public void OpenRenamePage()
         {
-            RenamePage settingPage = Instantiate(renamePage.gameObject, transform).GetComponent<RenamePage>();
-            settingPage.gameObject.SetActive(true);
-            settingPage.Init(deviceInfo.device_name, CloseRenamePage);
+            // 防连点：页面已打开时忽略重复触发
+            if (currentRenamePage != null) return;
+            currentRenamePage = Instantiate(renamePage.gameObject, transform).GetComponent<RenamePage>();
+            currentRenamePage.gameObject.SetActive(true);
+            currentRenamePage.Init(deviceInfo.device_name, CloseRenamePage);
         }
         public void CloseRenamePage(string newName)
         {
@@ -297,11 +309,15 @@ namespace Kill.UI.Pages
             DataManager.Instance.selectedDevice.device_name = newName;
         }
         public VideoAndSoundSetting videoAndSoundSetting;
+        /// <summary>当前已打开的音视频设置页实例(防连点重入)</summary>
+        private VideoAndSoundSetting currentVideoAndSoundSetting;
         public void OpenVideoAndSoundSetting()
         {
-            VideoAndSoundSetting settingPage = Instantiate(videoAndSoundSetting.gameObject, transform).GetComponent<VideoAndSoundSetting>();
-            settingPage.gameObject.SetActive(true);
-            settingPage.Init(CloseVideoAndSoundSetting);
+            // 防连点：页面已打开时忽略重复触发
+            if (currentVideoAndSoundSetting != null) return;
+            currentVideoAndSoundSetting = Instantiate(videoAndSoundSetting.gameObject, transform).GetComponent<VideoAndSoundSetting>();
+            currentVideoAndSoundSetting.gameObject.SetActive(true);
+            currentVideoAndSoundSetting.Init(CloseVideoAndSoundSetting);
         }
         public void CloseVideoAndSoundSetting()
         {
@@ -463,15 +479,23 @@ namespace Kill.UI.Pages
                 });
             }
         }
+        /// <summary>当前已打开的分享设备页实例(防连点重入)</summary>
+        private ShareDevicePage currentShareDevicePage;
         public void OpenShareDevicePage()
         {
-            ShareDevicePage settingPage = Instantiate(shareDevicePage.gameObject, transform).GetComponent<ShareDevicePage>();
-            settingPage.gameObject.SetActive(true);
+            // 防连点：页面已打开时忽略重复触发
+            if (currentShareDevicePage != null) return;
+            currentShareDevicePage = Instantiate(shareDevicePage.gameObject, transform).GetComponent<ShareDevicePage>();
+            currentShareDevicePage.gameObject.SetActive(true);
         }
+        /// <summary>当前已打开的共享用户页实例(防连点重入)</summary>
+        private DeviceSharedUserPage currentDeviceSharedUserPage;
         public void OpenDeviceSharedUserPage()
         {
-            DeviceSharedUserPage settingPage = Instantiate(deviceSharedUserPage.gameObject, transform).GetComponent<DeviceSharedUserPage>();
-            settingPage.gameObject.SetActive(true);
+            // 防连点：页面已打开时忽略重复触发
+            if (currentDeviceSharedUserPage != null) return;
+            currentDeviceSharedUserPage = Instantiate(deviceSharedUserPage.gameObject, transform).GetComponent<DeviceSharedUserPage>();
+            currentDeviceSharedUserPage.gameObject.SetActive(true);
         }
         public void CancelShareBySharedUser()
         {
@@ -538,10 +562,14 @@ namespace Kill.UI.Pages
                 Debug.LogError("取消设备共享失败: " + ex.Message);
             }
         }
+        /// <summary>当前已打开的关于设备页实例(防连点重入)</summary>
+        private AboutDevicePage currentAboutDevicePage;
         public void OpenAboutDevicePage()
         {
-            AboutDevicePage settingPage = Instantiate(aboutDevicePage.gameObject, transform).GetComponent<AboutDevicePage>();
-            settingPage.gameObject.SetActive(true);
+            // 防连点：页面已打开时忽略重复触发
+            if (currentAboutDevicePage != null) return;
+            currentAboutDevicePage = Instantiate(aboutDevicePage.gameObject, transform).GetComponent<AboutDevicePage>();
+            currentAboutDevicePage.gameObject.SetActive(true);
         }
         public IEnumerator BackToHomePage()
         {
diff --git a/Assets/Scripts/UI/Pages/DeviceInfoPage/FirmwareUpdatePage.cs b/Assets/Scripts/UI/Pages/DeviceInfoPage/FirmwareUpdatePage.cs
index 41213d5..acf1317 100644
--- a/Assets/Scripts/UI/Pages/DeviceInfoPage/FirmwareUpdatePage.cs
+++ b/Assets/Scripts/UI/Pages/DeviceInfoPage/FirmwareUpdatePage.cs
@@ -95,31 +95,46 @@ namespace Kill.UI.Pages
             Destroy(gameObject);
             Screen.sleepTimeout = SleepTimeout.SystemSetting;
         }
+        private bool isUpdating; // OTA升级进行中(防连点重入)
         public async void OnUpdateButtonClick()
         {
+            // 防连点：升级流程进行中忽略重复触发，避免并发启动两个OTA
+            if (isUpdating) return;
+            isUpdating = true;
             Screen.sleepTimeout = SleepTimeout.NeverSleep;
 
             // WiFi 模式：直接 push OTA 指令，设备自行下载固件
             if (DataManager.Instance.hasWifi)
             {
-                var pushRequest = new OTAPushRequest
+                try
                 {
-                    ble_mac = DataManager.Instance.selectedDevice.ble_mac,
-                    version = otaData.version
-                };
-                var pushResponse = await NetworkCtrl.Instance.Post<NoDataResponse>("/api/v1/ota/push", pushRequest);
-                ResponseCodeHandler.HandleResponse(pushResponse,
-                    onSuccess: (data) =>
+                    var pushRequest = new OTAPushRequest
                     {
-                        ToastUI.Show("100308");
-                        DataManager.Instance.selectedDevice.firmware_version = otaData.version;
-                    },
-                    onError: (code, message) =>
-                    {
-                        ToastUI.Show("100227");
-                        Debug.LogError($"WiFi OTA push 失败: {message}");
-                    }
-                );
+                        ble_mac = DataManager.Instance.selectedDevice.ble_mac,
+                        version = otaData.version
+                    };
+                    var pushResponse = await NetworkCtrl.Instance.Post<NoDataResponse>("/api/v1/ota/push", pushRequest);
+                    ResponseCodeHandler.HandleResponse(pushResponse,
+                        onSuccess: (data) =>
+                        {
+                            ToastUI.Show("100308");
+                            DataManager.Instance.selectedDevice.firmware_version = otaData.version;
+                        },
+                        onError: (code, message) =>
+                        {
+                            ToastUI.Show("100227");
+                            Debug.LogError($"WiFi OTA push 失败: {message}");
+                        }
+                    );
+                }
+                catch (System.Exception ex)
+                {
+                    Debug.LogError($"WiFi OTA push 异常: {ex.Message}");
+                }
+                finally
+                {
+                    isUpdating = false;
+                }
                 UIManager.Instance.OpenMainPage(UIManager.PageName.homePage);
                 return;
             }
@@ -133,6 +148,7 @@ namespace Kill.UI.Pages
             if (!downloadResult.IsSuccess)
             {
                 ToastUI.Show("100224");
+                isUpdating = false;
                 return;
             }
             string md5 = NetworkCtrl.Instance.CalculateMD5(savePath);
@@ -141,9 +157,15 @@ namespace Kill.UI.Pages
                 ToastUI.Show("100223");
                 Debug.LogError("下载的文件MD5校验失败");
                 File.Delete(savePath);
+                isUpdating = false;
                 return;
             }
             LoadFirmwareFile(savePath);
+            if (_selectedFirmwareData == null)
+            {
+                isUpdating = false;
+                return;
+            }
             ToastUI.Show("100225");
 
             UpdateLoadingUI.Instance.SetPrecent(0);
@@ -154,6 +176,7 @@ namespace Kill.UI.Pages
             {
                 Loom.QueueOnMainThread(() =>
                 {
+                    isUpdating = false;
                     if (success)
                     {
                         ToastUI.Show("100226");
diff --git a/Assets/Scripts/UI/Pages/DeviceInfoPage/SetWifiPage.cs b/Assets/Scripts/UI/Pages/DeviceInfoPage/SetWifiPage.cs
index 7288cb5..7f2cb7f 100644
--- a/Assets/Scripts/UI/Pages/DeviceInfoPage/SetWifiPage.cs
+++ b/Assets/Scripts/UI/Pages/DeviceInfoPage/SetWifiPage.cs
@@ -70,6 +70,7 @@ namespace Kill.UI.Pages
                 confirmButton.gameObject.SetActive(true);
             }
         }
+        private bool isSending; // WiFi配置发送中(防连点重入)
         /// <summary>
         /// 确认配置 WiFi
         /// </summary>
@@ -91,6 +92,10 @@ namespace Kill.UI.Pages
                 return;
             }
 
+            // 防连点：配置发送中忽略重复触发，避免重复写入
+            if (isSending) return;
+            isSending = true;
+
             // 创建 WiFi 配置
             var wifiControl = new Bluetooth.Protocol.WIFIControl
             {
@@ -106,6 +111,7 @@ namespace Kill.UI.Pages
             {
                 Loom.QueueOnMainThread(() =>
                 {
+                    isSending = false;
                     LoadingUI.Hide();
                     if (success)
                     {
diff --git a/Assets/Scripts/UI/Pages/HomePage/HomePageCtrl.cs b/Assets/Scripts/UI/Pages/HomePage/HomePageCtrl.cs
index 136e824..e9bbe89 100644
--- a/Assets/Scripts/UI/Pages/HomePage/HomePageCtrl.cs
+++ b/Assets/Scripts/UI/Pages/HomePage/HomePageCtrl.cs
@@ -40,6 +40,8 @@ namespace Kill.UI.Pages
         public HomePageSchedule deviceSchedule;
         public Button scheduleSettingButton;
         public GameObject scheduleSettingPrefab;
+        /// <summary>当前已打开的定时任务页实例(防连点重入)</summary>
+        private GameObject currentScheduleSettingPage;
         /// <summary>
         /// 触发密码验证按钮
         /// </summary>
@@ -83,6 +85,7 @@ namespace Kill.UI.Pages
 
 
         float waitLockTime=0;
+        private bool isLockSending; // 锁定/解锁指令发送中(防连点重入)
         void FixedUpdate()
         {
             if(!LockButtonPlane.activeSelf)
@@ -1041,6 +1044,8 @@ namespace Kill.UI.Pages
 
         public void ShowDeviceList()
         {
+            // 设备列表已打开时忽略重复触发
+            if (selectDevicePage.activeSelf) return;
             selectDevicePage.SetActive(true);
             selectDevicePage.GetComponent<HomePageDevicePage>().InitDeviceList(OwnedDevices, SharedDevices, selectedDevice);
             UIManager.Instance.RegisterBackAction(() =>
@@ -1049,6 +1054,8 @@ namespace Kill.UI.Pages
             });
         }
         public GameObject fovSettingPagePrefab;
+        /// <summary>当前已打开的FOV设置页实例(防连点重入)</summary>
+        private GameObject currentFovSettingPage;
         public void ShowFovSettingPage()
         {
              waitLockTime=0;
@@ -1057,7 +1064,9 @@ namespace Kill.UI.Pages
                 Debug.LogError("[HomePageCtrl] 未设置FOV设置页面预制体");
                 return;
             }
+            if (currentFovSettingPage != null) return;
             GameObject fovSettingPage = Instantiate(fovSettingPagePrefab, transform);
+            currentFovSettingPage = fovSettingPage;
             fovSettingPage.SetActive(true);
             UIManager.Instance.RegisterBackAction(() =>
             {
@@ -1065,6 +1074,8 @@ namespace Kill.UI.Pages
             });
         }
         public GameObject lensSettingPagePrefab;
+        /// <summary>当前已打开的镜头设置页实例(防连点重入)</summary>
+        private GameObject currentLensSettingPage;
         public void ShowLensSettingPage()
         {
              waitLockTime=0;
@@ -1073,7 +1084,9 @@ namespace Kill.UI.Pages
                 Debug.LogError("[HomePageCtrl] 未设置lens设置页面预制体");
                 return;
             }
+            if (currentLensSettingPage != null) return;
             GameObject lensSettingPage = Instantiate(lensSettingPagePrefab, transform);
+            currentLensSettingPage = lensSettingPage;
             lensSettingPage.SetActive(true);
             UIManager.Instance.RegisterBackAction(() =>
             {
@@ -1081,6 +1094,8 @@ namespace Kill.UI.Pages
             });
         }
         public GameObject lightSettingPagePrefab;
+        /// <summary>当前已打开的灯光设置页实例(防连点重入)</summary>
+        private GameObject currentLightSettingPage;
         public void ShowLightSettingPage()
         {
              waitLockTime=0;
@@ -1089,7 +1104,9 @@ namespace Kill.UI.Pages
                 Debug.LogError("[HomePageCtrl] 未设置light设置页面预制体");
                 return;
             }
+            if (currentLightSettingPage != null) return;
             GameObject lightSettingPage = Instantiate(lightSettingPagePrefab, transform);
+            currentLightSettingPage = lightSettingPage;
             lightSettingPage.SetActive(true);
             UIManager.Instance.RegisterBackAction(() =>
             {
@@ -1097,6 +1114,8 @@ namespace Kill.UI.Pages
             });
         }
         public GameObject safetySettingPagePrefab;
+        /// <summary>当前已打开的安全设置页实例(防连点重入)</summary>
+        private GameObject currentSafetySettingPage;
         public void ShowSafetySettingPage()
         {
              waitLockTime=0;
@@ -1105,7 +1124,9 @@ namespace Kill.UI.Pages
                 Debug.LogError("[HomePageCtrl] 未设置safetySettingPage预制体");
                 return;
             }
+            if (currentSafetySettingPage != null) return;
             GameObject safetySettingPage = Instantiate(safetySettingPagePrefab, transform);
+            currentSafetySettingPage = safetySettingPage;
             safetySettingPage.SetActive(true);
             UIManager.Instance.RegisterBackAction(() =>
             {
@@ -1121,7 +1142,9 @@ namespace Kill.UI.Pages
                 Debug.LogError("[HomePageCtrl] 未设置scheduleSettingPage预制体");
                 return;
             }
+            if (currentScheduleSettingPage != null) return;
             GameObject scheduleSettingPage = Instantiate(scheduleSettingPrefab, transform);
+            currentScheduleSettingPage = scheduleSettingPage;
             scheduleSettingPage.SetActive(true);
 
             // 注册页面关闭回调，更新主页定时任务显示
@@ -1163,10 +1186,13 @@ namespace Kill.UI.Pages
             UIManager.Instance.OpenPage(UIManager.PageName.selfPage);
         }
         public MessageTypeListPage messagePagePrefab;
+        /// <summary>当前已打开的消息页实例(防连点重入)</summary>
+        private MessageTypeListPage currentMessagePage;
         public void EnterMessagePage()
         {
             waitLockTime=0;
-            Instantiate(messagePagePrefab,transform);
+            if (currentMessagePage != null) return;
+            currentMessagePage = Instantiate(messagePagePrefab,transform);
         }
         public void EnterVideoPage()
         {
@@ -1176,6 +1202,9 @@ namespace Kill.UI.Pages
         public async void SetLock(bool ison)
         {
              waitLockTime=0;
+            // 防连点：指令发送中忽略重复触发
+            if (isLockSending) return;
+            isLockSending = true;
             if (hasBluetooth)
             {
                 BLECommunicationManager.Instance.WriteDeviceLockControl(!ison, (success) =>
@@ -1183,6 +1212,7 @@ namespace Kill.UI.Pages
 
                     Loom.QueueOnMainThread(() =>
                     {
+                        isLockSending = false;
                         if (ison)
                         {
                             DeviceLockControl deviceLockControl = new DeviceLockControl();
@@ -1237,12 +1267,14 @@ namespace Kill.UI.Pages
                 finally
                 {
                     LoadingUI.Hide();
+                    isLockSending = false;
                 }
             }
             else
             {
                 LoadingUI.Hide();
                 ToastUI.Show("100081");
+                isLockSending = false;
             }
 
         }
@@ -1845,6 +1877,10 @@ namespace Kill.UI.Pages
         }
 
         public SetWifiPage setWifiPage;
+        /// <summary>
+        /// 当前已打开的WiFi设置页实例，用于防连点重入
+        /// </summary>
+        private SetWifiPage currentWifiPage;
         public void EnterWifiPage()
         {
              // WiFi模式下不支持设置WiFi
@@ -1853,9 +1889,14 @@ namespace Kill.UI.Pages
                 ToastUI.Show("100293");
                 return;
             }
-            SetWifiPage wifiPage=Instantiate(setWifiPage, transform);
-            wifiPage.gameObject.SetActive(true);
-            wifiPage.Init(null,1);
+            // 防连点：页面已打开时忽略重复触发，避免连续实例化导致页面叠放/重复请求权限/重复注册返回键
+            if (currentWifiPage != null)
+            {
+                return;
+            }
+            currentWifiPage=Instantiate(setWifiPage, transform);
+            currentWifiPage.gameObject.SetActive(true);
+            currentWifiPage.Init(null,1);
         }
 
     }