diff --git a/services/common/include/bundle_active_service.h b/services/common/include/bundle_active_service.h
index f0e5dd3ae85139266363bca54018ceb7eaac1c63..5f186a5c991ce910e88e25f0745ae5e2bd81aeac 100644
--- a/services/common/include/bundle_active_service.h
+++ b/services/common/include/bundle_active_service.h
@@ -211,7 +211,7 @@ protected:
 private:
     std::shared_ptr<BundleActiveCore> bundleActiveCore_;
     std::shared_ptr<BundleActiveReportHandler> reportHandler_;
-    std::shared_ptr<BundleActiveAppStateObserver> appStateObserver_;
+    sptr<BundleActiveAppStateObserver> appStateObserver_;
 #ifdef BGTASKMGR_ENABLE
     std::shared_ptr<BundleActiveContinuousTaskObserver> continuousTaskObserver_;
 #endif
diff --git a/services/common/src/bundle_active_service.cpp b/services/common/src/bundle_active_service.cpp
index 393d9f879cd4926a3e5bd3e1b3671f8a4e4db284..67b08f968df305bf664d0ae7491923ae5a759e9e 100644
--- a/services/common/src/bundle_active_service.cpp
+++ b/services/common/src/bundle_active_service.cpp
@@ -167,8 +167,12 @@ OHOS::sptr<OHOS::AppExecFwk::IAppMgr> BundleActiveService::GetAppManagerInstance
 
 void BundleActiveService::InitAppStateSubscriber(const std::shared_ptr<BundleActiveReportHandler>& reportHandler)
 {
-    if (appStateObserver_ == nullptr) {
-        appStateObserver_ = std::make_shared<BundleActiveAppStateObserver>();
+    if (!appStateObserver_) {
+        appStateObserver_ = new (std::nothrow)BundleActiveAppStateObserver();
+        if (!appStateObserver_) {
+            BUNDLE_ACTIVE_LOGE("malloc app state observer failed");
+            return;
+        }
         appStateObserver_->Init(reportHandler);
     }
 }
@@ -190,7 +194,7 @@ bool BundleActiveService::SubscribeAppState()
         BUNDLE_ACTIVE_LOGE("SubscribeAppState appstateobserver is null, return");
         return false;
     }
-    int32_t err = appManager->RegisterApplicationStateObserver(appStateObserver_.get());
+    int32_t err = appManager->RegisterApplicationStateObserver(appStateObserver_);
     if (err != 0) {
         BUNDLE_ACTIVE_LOGE("RegisterApplicationStateObserver failed. err:%{public}d", err);
         return false;