diff --git a/frameworks/ets/ani/app_startup/startup_manager/src/ets_startup_manager.cpp b/frameworks/ets/ani/app_startup/startup_manager/src/ets_startup_manager.cpp
index a7a687c7b9..47e34f13e5 100644
--- a/frameworks/ets/ani/app_startup/startup_manager/src/ets_startup_manager.cpp
+++ b/frameworks/ets/ani/app_startup/startup_manager/src/ets_startup_manager.cpp
@@ -211,10 +211,15 @@ int32_t ETSStartupManager::GetStartupTaskManager(ani_env *env, ani_object startu
         return ERR_STARTUP_INVALID_VALUE;
     }
     std::shared_ptr<StartupConfig> config;
-    int32_t result = GetConfig(env, startupConfig, config);
-    if (result != ERR_OK) {
-        TAG_LOGE(AAFwkTag::STARTUP, "get config failed");
-        return result;
+    ani_boolean isConfigUndefined = ANI_TRUE;
+    env->Reference_IsUndefined(reinterpret_cast<ani_ref>(startupConfig), &isConfigUndefined);
+    int32_t result = ERR_OK;
+    if (!isConfigUndefined) {
+        result = GetConfig(env, startupConfig, config);
+        if (result != ERR_OK) {
+            TAG_LOGE(AAFwkTag::STARTUP, "get config failed");
+            return result;
+        }
     }
     bool supportFeatureModule = isDefaultContext != ANI_TRUE;
     result = DelayedSingleton<StartupManager>::GetInstance()->BuildAppStartupTaskManager(dependencies,
diff --git a/frameworks/native/appkit/app_startup/ets_startup_config.cpp b/frameworks/native/appkit/app_startup/ets_startup_config.cpp
index 233c665688..38869ce90c 100644
--- a/frameworks/native/appkit/app_startup/ets_startup_config.cpp
+++ b/frameworks/native/appkit/app_startup/ets_startup_config.cpp
@@ -97,6 +97,12 @@ int32_t ETSStartupConfig::Init(ani_object config)
         TAG_LOGE(AAFwkTag::STARTUP, "null config");
         return ERR_STARTUP_INTERNAL_ERROR;
     }
+    ani_boolean isUndefined = ANI_TRUE;
+    env->Reference_IsUndefined(reinterpret_cast<ani_ref>(config), &isUndefined);
+    if (isUndefined) {
+        TAG_LOGE(AAFwkTag::STARTUP, "undefined config");
+        return ERR_STARTUP_INTERNAL_ERROR;
+    }
 
     InitAwaitTimeout(env, config);
     InitListener(env, config);
@@ -141,6 +147,10 @@ bool ETSStartupConfig::GetTimeoutMs(ani_env *env, ani_object config, int32_t &ti
         TAG_LOGE(AAFwkTag::STARTUP, "null env");
         return false;
     }
+    if (config == nullptr) {
+        TAG_LOGE(AAFwkTag::STARTUP, "null config");
+        return false;
+    }
     ani_status status = env->FindClass("@ohos.app.appstartup.StartupConfig.StartupConfig", &cls);
     if (status != ANI_OK || cls == nullptr) {
         TAG_LOGE(AAFwkTag::STARTUP, "Findclass failed, status: %{public}d", status);
diff --git a/frameworks/native/appkit/app_startup/startup_manager.cpp b/frameworks/native/appkit/app_startup/startup_manager.cpp
index 4cbad78675..c6e02ed426 100644
--- a/frameworks/native/appkit/app_startup/startup_manager.cpp
+++ b/frameworks/native/appkit/app_startup/startup_manager.cpp
@@ -190,7 +190,9 @@ int32_t StartupManager::BuildAutoAppStartupTaskManager(std::shared_ptr<AAFwk::Wa
     TAG_LOGD(AAFwkTag::STARTUP, "autoStartupTasksManager build, id: %{public}u, tasks num: %{public}zu",
         startupTaskManagerId, autoStartupTasks.size());
     startupTaskManager = std::make_shared<StartupTaskManager>(startupTaskManagerId, autoStartupTasks);
-    startupTaskManager->SetConfig(startupConfig);
+    if (startupConfig != nullptr) {
+        startupTaskManager->SetConfig(startupConfig);
+    }
     startupTaskManagerMap_.emplace(startupTaskManagerId, startupTaskManager);
     startupTaskManagerId++;
     return ERR_OK;
@@ -288,7 +290,9 @@ int32_t StartupManager::BuildAppStartupTaskManager(const std::vector<std::string
     TAG_LOGD(AAFwkTag::STARTUP, "startupTasksManager build, id: %{public}u, tasks num: %{public}zu",
         startupTaskManagerId, currentStartupTasks.size());
     startupTaskManager = std::make_shared<StartupTaskManager>(startupTaskManagerId, currentStartupTasks);
-    startupTaskManager->SetConfig(defaultConfig_);
+    if (defaultConfig_ != nullptr) {
+        startupTaskManager->SetConfig(defaultConfig_);
+    }
     startupTaskManagerMap_.emplace(startupTaskManagerId, startupTaskManager);
     startupTaskManagerId++;
     return ERR_OK;