diff --git a/frameworks/kits/ability/native/src/ability.cpp b/frameworks/kits/ability/native/src/ability.cpp
index ba9977f6e9491d43574336b3ff14e429a5107efe..ae3d6b23de280774cf4d049aa2b7bac7ca1cb7b2 100644
--- a/frameworks/kits/ability/native/src/ability.cpp
+++ b/frameworks/kits/ability/native/src/ability.cpp
@@ -28,6 +28,8 @@ REGISTER_AA(Ability)
 const std::string Ability::SYSTEM_UI("com.ohos.systemui");
 const std::string Ability::STATUS_BAR("com.ohos.systemui.statusbar.MainAbility");
 const std::string Ability::NAVIGATION_BAR("com.ohos.systemui.navigationbar.MainAbility");
+const std::string DEVICE_MANAGER_BUNDLE_NAME = "com.ohos.devicemanagerui";
+const std::string DEVICE_MANAGER_NAME = "com.ohos.devicemanagerui.MainAbility";
 
 void Ability::Init(const std::shared_ptr<AbilityInfo> &abilityInfo, const std::shared_ptr<OHOSApplication> &application,
     std::shared_ptr<AbilityHandler> &handler, const sptr<IRemoteObject> &token)
@@ -89,6 +91,11 @@ void Ability::OnStart(const Want &want)
             winType = OHOS::WindowType::WINDOW_TYPE_ALARM_SCREEN;
         }
 
+        if (abilityInfo_->bundleName == DEVICE_MANAGER_BUNDLE_NAME &&
+            abilityInfo_->name == DEVICE_MANAGER_NAME) {
+            winType = OHOS::WindowType::WINDOW_TYPE_ALARM_SCREEN;
+        }
+
         config->SetWindowType(winType);
         APP_LOGI("Ability::OnStart bundleName:%{public}s abilityName:%{public}s: set config.type = %{public}d",
             abilityInfo_->bundleName.c_str(),
diff --git a/services/abilitymgr/include/ability_config.h b/services/abilitymgr/include/ability_config.h
index a69b8cf083e50f776950909e9259af78f2d715f9..469cee3ae09cb349338de9ee0021bdbc795fcdc2 100644
--- a/services/abilitymgr/include/ability_config.h
+++ b/services/abilitymgr/include/ability_config.h
@@ -32,6 +32,9 @@ const std::string SYSTEM_DIALOG_NAME = "com.ohos.systemui.systemdialog.MainAbili
 const std::string SYSTEM_DIALOG_REQUEST_PERMISSIONS = "OHOS_RESULT_PERMISSIONS_LIST_YES";
 const std::string SYSTEM_DIALOG_CALLER_BUNDLENAME = "OHOS_RESULT_CALLER_BUNDLERNAME";
 const std::string SYSTEM_DIALOG_KEY = "OHOS_RESULT_PERMISSION_KEY";
+
+const std::string DEVICE_MANAGER_BUNDLE_NAME = "com.ohos.devicemanagerui";
+const std::string DEVICE_MANAGER_NAME = "com.ohos.devicemanagerui.MainAbility";
 }  // namespace AbilityConfig
 }  // namespace AAFwk
 }  // namespace OHOS
diff --git a/services/abilitymgr/include/ability_util.h b/services/abilitymgr/include/ability_util.h
index 067adc9b3cc71c7b768d397ac62c6c3f5664596f..156358bc88e826e54d3b217550c9c421cce6359f 100644
--- a/services/abilitymgr/include/ability_util.h
+++ b/services/abilitymgr/include/ability_util.h
@@ -49,7 +49,15 @@ namespace AbilitUtil {
 
 [[maybe_unused]] static bool IsSystemDialogAbility(const std::string &bundleName, const std::string &abilityName)
 {
-    return (abilityName == AbilityConfig::SYSTEM_DIALOG_NAME) && (bundleName == AbilityConfig::SYSTEM_UI_BUNDLE_NAME);
+    if (abilityName == AbilityConfig::SYSTEM_DIALOG_NAME && bundleName == AbilityConfig::SYSTEM_UI_BUNDLE_NAME) {
+        return true;
+    }
+
+    if (abilityName == AbilityConfig::DEVICE_MANAGER_NAME && bundleName == AbilityConfig::DEVICE_MANAGER_BUNDLE_NAME) {
+        return true;
+    }
+
+    return false;
 }
 }  // namespace AbilitUtil
 }  // namespace AAFwk