diff --git a/lib/data/models/appconfig_model.dart b/lib/data/models/appconfig_model.dart
index 65ea7838e..e656a62c9 100644
--- a/lib/data/models/appconfig_model.dart
+++ b/lib/data/models/appconfig_model.dart
@@ -79,6 +79,7 @@ class DBProduct {
   final String? productimage;
   final String scanuuid;
   final String? version;
+  bool? isforceupdate;
   final bool? iscontinuouschat;
   final String? updatedescription;
   final String? updatepackageaddress;
@@ -91,6 +92,7 @@ class DBProduct {
     required this.productimage,
     required this.scanuuid,
     required this.version,
+    required this.isforceupdate, //该产品固件版本是否强制更新
     required this.iscontinuouschat,
     required this.updatedescription,
     required this.updatepackageaddress,
diff --git a/lib/data/models/appconfig_model.g.dart b/lib/data/models/appconfig_model.g.dart
index f99ba35c6..fc97723ed 100644
--- a/lib/data/models/appconfig_model.g.dart
+++ b/lib/data/models/appconfig_model.g.dart
@@ -79,6 +79,7 @@ DBProduct _$DBProductFromJson(Map<String, dynamic> json) => DBProduct(
       productimage: json['productimage'] as String?,
       scanuuid: json['scanuuid'] as String,
       version: json['version'] as String?,
+      isforceupdate: json['isforceupdate'] as bool?,
       iscontinuouschat: json['iscontinuouschat'] as bool?,
       updatedescription: json['updatedescription'] as String?,
       updatepackageaddress: json['updatepackageaddress'] as String?,
@@ -91,6 +92,7 @@ Map<String, dynamic> _$DBProductToJson(DBProduct instance) => <String, dynamic>{
       'productimage': instance.productimage,
       'scanuuid': instance.scanuuid,
       'version': instance.version,
+      'isforceupdate': instance.isforceupdate,
       'iscontinuouschat': instance.iscontinuouschat,
       'devicename': instance.devicename,
       'updatedescription': instance.updatedescription,
diff --git a/lib/data/services/ota_check_service.dart b/lib/data/services/ota_check_service.dart
index 5caa31493..13a5f09d5 100644
--- a/lib/data/services/ota_check_service.dart
+++ b/lib/data/services/ota_check_service.dart
@@ -57,6 +57,7 @@ class OtaCheckService extends GetxService {
   /// [isFullyConnected] 设备是否完全连接
   /// 返回是否成功执行了检查
   Future<bool> performOtaCheck(bool isFullyConnected) async {
+    bool isForceUpdate = false;
     try {
       // 检查是否应该进行OTA检查
       if (!shouldCheckOta()) {
@@ -95,7 +96,12 @@ class OtaCheckService extends GetxService {
           _otaCoreService.isNewVersionAvailable(currentVersion, latestVersion);
 
       if (hasUpdate) {
-        Logger.d(_tag, '发现新版本，准备显示升级提醒');
+        isForceUpdate = latestInfo['isForceUpdate'] as bool? ?? false;
+        if (isForceUpdate) {
+          Logger.d(_tag, '发现强制更新版本，准备显示升级提醒');
+        } else {
+          Logger.d(_tag, '发现新版本，准备显示升级提醒');
+        }
 
         // 再次确认当前在Home页面（防止异步执行期间页面切换）
         if (_isCurrentlyOnHomePage()) {
@@ -109,12 +115,18 @@ class OtaCheckService extends GetxService {
       }
 
       // 标记为已检查（无论是否有更新都标记为已检查）
-      _markAsChecked();
+      if (!isForceUpdate) {
+        _markAsChecked();
+      }
+      _isCheckingInProgress = false;
       return true;
     } catch (e) {
       Logger.e(_tag, '检查OTA升级失败: $e');
       // 即使检查失败，也标记为已检查，避免重复尝试
-      _markAsChecked();
+      if (!isForceUpdate) {
+        _markAsChecked();
+      }
+      _isCheckingInProgress = false;
       return false;
     }
   }
diff --git a/lib/modules/home/controllers/home_controller.dart b/lib/modules/home/controllers/home_controller.dart
index 466b4792b..ab2478230 100644
--- a/lib/modules/home/controllers/home_controller.dart
+++ b/lib/modules/home/controllers/home_controller.dart
@@ -277,7 +277,7 @@ class HomeController extends GetxController {
 
           // 连接成功后检查OTA升级
           if (noviceGuideService.isHomeGuide) {
-            Future.delayed(const Duration(seconds: 2), () {
+            Future.delayed(const Duration(seconds: 1), () {
               _checkOtaUpgrade();
             });
           }
diff --git a/lib/modules/ota_upgrade/controllers/ota_core_contropller.dart b/lib/modules/ota_upgrade/controllers/ota_core_contropller.dart
index cd05687f0..146645d90 100644
--- a/lib/modules/ota_upgrade/controllers/ota_core_contropller.dart
+++ b/lib/modules/ota_upgrade/controllers/ota_core_contropller.dart
@@ -525,17 +525,20 @@ class OtaCoreService {
       }
     }
 
+    product.isforceupdate = product.version?.contains("+");
+
     return {
-      'latestVersion': product.version ?? "",
+      'latestVersion': product.version?.split('+').first ?? "",
       'updateDescription': product.updatedescription ?? "",
       'updatePackageAddress': product.updatepackageaddress ?? "",
+      'isForceUpdate': product.isforceupdate ?? false,
     };
   }
 
   /// 比较版本号，判断是否有新版本可用
   /// [currentVersion] 当前版本号
   /// [latestVersion] 最新版本号
-  /// 返回true表示有新版本可用（支持升级和降级）
+  /// 返回true表示有新版本可用（只支持升级）
   bool isNewVersionAvailable(String currentVersion, String latestVersion) {
     try {
       List<int> currentParts =
@@ -555,10 +558,12 @@ class OtaCoreService {
         latestParts.add(0);
       }
 
-      // 比较每一段，只要有不同就返回true（支持升级和降级）
+      // 从高位到低位比较版本号
       for (int i = 0; i < maxLength; i++) {
-        if (latestParts[i] != currentParts[i]) {
+        if (latestParts[i] > currentParts[i]) {
           return true;
+        } else if (latestParts[i] < currentParts[i]) {
+          return false;
         }
       }