diff --git a/interfaces/inner_api/ability_manager/include/ability_manager_errors.h b/interfaces/inner_api/ability_manager/include/ability_manager_errors.h
index 0a56c748513c9030350af6527355518a8dbd8ec5..f984240d6851267c97a8cd1796b0f464c360aa25 100644
--- a/interfaces/inner_api/ability_manager/include/ability_manager_errors.h
+++ b/interfaces/inner_api/ability_manager/include/ability_manager_errors.h
@@ -986,7 +986,7 @@ enum {
     /**
      * Result (2097388) for app not configured preload phase.
      */
-    ERR_APP_PRELOAD_PHASE_UNSET = 2097388,
+    ERR_INVALID_APP_PRELOAD_PHASE = 2097388,
 
     ERR_DO_CLOSURE_CALLBACK_FAILED = 2097397,
 
diff --git a/services/abilitymgr/src/preload_manager_service.cpp b/services/abilitymgr/src/preload_manager_service.cpp
index 7581238718d2b8698dbb516e0a4a9d843e397bd3..2cb78a59fe0f1b95c8122cd80672d3f45491146c 100644
--- a/services/abilitymgr/src/preload_manager_service.cpp
+++ b/services/abilitymgr/src/preload_manager_service.cpp
@@ -75,9 +75,10 @@ int32_t PreloadManagerService::PreloadApplication(const std::string &bundleName,
         AppExecFwk::AbilityInfoFlag::GET_ABILITY_INFO_WITH_APPLICATION, userId, abilityInfo)),
         RESOLVE_ABILITY_ERR, "failed to get abilityInfo");
     AppExecFwk::AppPreloadPhase appPreloadPhase = abilityInfo.applicationInfo.appPreloadPhase;
-    if (appPreloadPhase == AppExecFwk::AppPreloadPhase::DEFAULT) {
-        TAG_LOGE(AAFwkTag::ABILITYMGR, "preload phase not set");
-        return ERR_APP_PRELOAD_PHASE_UNSET;
+    if (appPreloadPhase <= AppExecFwk::AppPreloadPhase::DEFAULT ||
+        appPreloadPhase > AppExecFwk::AppPreloadPhase::WINDOW_STAGE_CREATED) {
+        TAG_LOGE(AAFwkTag::ABILITYMGR, "invalid preload phase:%{public}d", static_cast<int32_t>(appPreloadPhase));
+        return ERR_INVALID_APP_PRELOAD_PHASE;
     }
     if (appPreloadPhase <= AppExecFwk::AppPreloadPhase::ABILITY_STAGE_CREATED) {
         TAG_LOGI(AAFwkTag::ABILITYMGR, "preload to phase:%{public}d", static_cast<int32_t>(appPreloadPhase));
diff --git a/test/unittest/preload_manager_service_test/preload_manager_service_test.cpp b/test/unittest/preload_manager_service_test/preload_manager_service_test.cpp
index 960a3fad191dfa15636b4ff8c2c605c73ee815af..41192d5917e4db52d8677ebf95961d467c474817 100644
--- a/test/unittest/preload_manager_service_test/preload_manager_service_test.cpp
+++ b/test/unittest/preload_manager_service_test/preload_manager_service_test.cpp
@@ -309,7 +309,11 @@ HWTEST_F(PreloadManagerServiceTest, PreloadApplication_010, TestSize.Level1)
     int32_t userId = -1;
     int32_t appIndex = 0;
     auto result = PreloadManagerService::GetInstance().PreloadApplication(bundleName, userId, appIndex);
-    EXPECT_EQ(result, ERR_APP_PRELOAD_PHASE_UNSET);
+    EXPECT_EQ(result, ERR_INVALID_APP_PRELOAD_PHASE);
+
+    MyStatus::GetInstance().queryAbilityInfo_.applicationInfo.appPreloadPhase = AppExecFwk::AppPreloadPhase(100);
+    result = PreloadManagerService::GetInstance().PreloadApplication(bundleName, userId, appIndex);
+    EXPECT_EQ(result, ERR_INVALID_APP_PRELOAD_PHASE);
 
     TAG_LOGI(AAFwkTag::TEST, "PreloadManagerServiceTest PreloadApplication_010 end");
 }