diff --git a/interfaces/kits/js/distributebundlemgr/distributed_bundle_mgr.cpp b/interfaces/kits/js/distributebundlemgr/distributed_bundle_mgr.cpp
index 17915b063842c927591c86c9b9b94cb1b5e3f855..4d2315d0baa5792d08ae07c99d515bc79559f5d7 100644
--- a/interfaces/kits/js/distributebundlemgr/distributed_bundle_mgr.cpp
+++ b/interfaces/kits/js/distributebundlemgr/distributed_bundle_mgr.cpp
@@ -72,7 +72,10 @@ static OHOS::sptr<OHOS::AppExecFwk::IDistributedBms> GetDistributedBundleMgr()
 {
     APP_LOGI("GetDistributedBundleMgr");
     auto samgr = OHOS::SystemAbilityManagerClient::GetInstance().GetSystemAbilityManager();
-    // OHOS::sptr<OHOS::IRemoteObject> remoteObject;
+    if (samgr == nullptr) {
+        APP_LOGE("GetSystemAbilityManager failed, samgr is nullptr.");
+        return nullptr;
+    }
     auto remoteObject = samgr->GetSystemAbility(OHOS::DISTRIBUTED_BUNDLE_MGR_SERVICE_SYS_ABILITY_ID);
     return OHOS::iface_cast<IDistributedBms>(remoteObject);
 }