diff --git a/services/abilitymgr/include/ability_config.h b/services/abilitymgr/include/ability_config.h
index 0bf081fb35a19154277ac43ece2f5e114939e4c1..8cbb024fa1c9e239af1a956fb6beea38ee1bbc8b 100644
--- a/services/abilitymgr/include/ability_config.h
+++ b/services/abilitymgr/include/ability_config.h
@@ -28,6 +28,7 @@ const std::string SYSTEM_UI_BUNDLE_NAME = "com.ohos.systemui";
 const std::string SYSTEM_UI_STATUS_BAR = "com.ohos.systemui.statusbar.MainAbility";
 const std::string SYSTEM_UI_NAVIGATION_BAR = "com.ohos.systemui.navigationbar.MainAbility";
 const std::string SYSTEM_DIALOG_NAME = "com.ohos.systemui.systemdialog.MainAbility";
+const std::string SYSTEM_UI_ABILITY_NAME = "com.ohos.systemui.ServiceExtAbility";
 
 const std::string SYSTEM_DIALOG_REQUEST_PERMISSIONS = "OHOS_RESULT_PERMISSIONS_LIST_YES";
 const std::string SYSTEM_DIALOG_CALLER_BUNDLENAME = "OHOS_RESULT_CALLER_BUNDLERNAME";
diff --git a/services/abilitymgr/include/ability_manager_service.h b/services/abilitymgr/include/ability_manager_service.h
index f480b90458bc5728c2bd6c21126788d3c83da2ea..4ae19ec8b4eaa0ae60cd14fb33dcddaacbcb302e 100644
--- a/services/abilitymgr/include/ability_manager_service.h
+++ b/services/abilitymgr/include/ability_manager_service.h
@@ -827,6 +827,12 @@ private:
      */
     void StartingSystemUiAbility(const SatrtUiMode &mode);
 
+    /**
+     * starting system ui ServiceExt abilites.
+     *
+     */
+    void StartingSystemUiAbility();
+
     /**
      * starting contacts ability.
      *
diff --git a/services/abilitymgr/src/ability_manager_service.cpp b/services/abilitymgr/src/ability_manager_service.cpp
index 2fac7b522047a2e4ee0ebb37d21ab3f74a2e6db2..00b2c4d1eb241d649a7e577c00f00fdea2901e8f 100644
--- a/services/abilitymgr/src/ability_manager_service.cpp
+++ b/services/abilitymgr/src/ability_manager_service.cpp
@@ -2708,19 +2708,11 @@ void AbilityManagerService::StartSystemApplication()
 
     if (!amsConfigResolver_ || amsConfigResolver_->NonConfigFile()) {
         HILOG_INFO("start all");
-        StartingSystemUiAbility(SatrtUiMode::STARTUIBOTH);
+        StartingSystemUiAbility();
         return;
     }
 
-    if (amsConfigResolver_->GetStatusBarState()) {
-        HILOG_INFO("start status bar");
-        StartingSystemUiAbility(SatrtUiMode::STATUSBAR);
-    }
-
-    if (amsConfigResolver_->GetNavigationBarState()) {
-        HILOG_INFO("start navigation bar");
-        StartingSystemUiAbility(SatrtUiMode::NAVIGATIONBAR);
-    }
+    StartingSystemUiAbility();
 
     // Location may change
     DelayedSingleton<AppScheduler>::GetInstance()->StartupResidentProcess();
@@ -2796,6 +2788,27 @@ void AbilityManagerService::StartingSystemUiAbility(const SatrtUiMode &mode)
     }
 }
 
+void AbilityManagerService::StartingSystemUiAbility()
+{
+    HILOG_DEBUG("%{public}s", __func__);
+    AppExecFwk::AbilityInfo systemUiInfo;
+    if (!iBundleManager_) {
+        HILOG_INFO("bms server is null");
+        return;
+    }
+    Want systemUiWant;
+    systemUiWant.SetElementName(AbilityConfig::SYSTEM_UI_BUNDLE_NAME, AbilityConfig::SYSTEM_UI_ABILITY_NAME);
+    uint32_t waitCnt = 0;
+    // Wait 10 minutes for the installation to complete.
+    while (!iBundleManager_->QueryAbilityInfo(systemUiWant, systemUiInfo) && waitCnt < MAX_WAIT_SYSTEM_UI_NUM) {
+        HILOG_INFO("Waiting query system ui info completed.");
+        usleep(REPOLL_TIME_MICRO_SECONDS);
+        waitCnt++;
+    }
+    (void)StartAbility(systemUiWant, DEFAULT_INVAL_VALUE);
+}
+
+
 bool AbilityManagerService::CheckCallerIsSystemAppByIpc()
 {
     HILOG_DEBUG("%{public}s begin", __func__);