diff --git a/common/appspawn_server.c b/common/appspawn_server.c
index 2b7b2ceacbc0390fa0600a3ffa60646e6d5077b1..c1d41ccdeac2f043c1a4b22948406f7d47bc2024 100644
--- a/common/appspawn_server.c
+++ b/common/appspawn_server.c
@@ -37,9 +37,9 @@ static void NotifyResToParent(struct AppSpawnContent *content, AppSpawnClient *c
 {
     StartAppspawnTrace("NotifyResToParent");
     APPSPAWN_LOGI("NotifyResToParent: %{public}d", result);
-    if (content->notifyResToParent != NULL) {
-        content->notifyResToParent(content, client, result);
-    }
+    APPSPAWN_CHECK(content != NULL && content->notifyResToParent != NULL, FinishAppspawnTrace();
+        return, "invalid param");
+    content->notifyResToParent(content, client, result);
     FinishAppspawnTrace();
 }
 
@@ -104,8 +104,9 @@ int AppSpawnChild(AppSpawnContent *content, AppSpawnClient *client)
         AppSpawnEnvClear(content, client);
         return 0);
 
-    // notify success to father process and start app process
-    NotifyResToParent(content, client, 0);
+    bool isAppspawn = (content->mode == MODE_FOR_APP_SPAWN || content->mode == MODE_FOR_APP_COLD_RUN);
+    APPSPAWN_CHECK_ONLY_EXPER(isAppspawn,
+        NotifyResToParent(content, client, 0));
 
     StartAppspawnTrace("AppSpawnExecutePostReplyHook");
     (void)AppSpawnExecutePostReplyHook(content, client);
@@ -115,6 +116,8 @@ int AppSpawnChild(AppSpawnContent *content, AppSpawnClient *client)
         ret = content->runChildProcessor(content, client);
     }
     if (ret != 0) {
+        APPSPAWN_CHECK_ONLY_EXPER(!isAppspawn,
+            NotifyResToParent(content, client, ret));
         AppSpawnEnvClear(content, client);
     }
     return 0;
diff --git a/modules/ace_adapter/ace_adapter.cpp b/modules/ace_adapter/ace_adapter.cpp
index eb42eacd1db3f7b707767803ba364b6bf0438d4a..e38f114df9b55e5fa3ee41c0908a699ae1f7f7a3 100644
--- a/modules/ace_adapter/ace_adapter.cpp
+++ b/modules/ace_adapter/ace_adapter.cpp
@@ -220,6 +220,20 @@ static int BuildFdInfoMap(const AppSpawnMsgNode *message, std::map<std::string,
     return 0;
 }
 
+APPSPAWN_STATIC void ClearEnvAndReturnSuccess(AppSpawnContent *content, AppSpawnClient *client)
+{
+    AppSpawningCtx *property = (AppSpawningCtx *)client;
+    APPSPAWN_CHECK(content != NULL && property != NULL, return, "invlid param in clearEnv");
+    int fd = property->forkCtx.fd[1];
+    property->forkCtx.fd[1] = -1;
+    AppSpawnEnvClear(content, client);
+    APPSPAWN_CHECK(fd >= 0, return, "invalid fd for notify parent");
+    int ret = 0;
+    ssize_t written = write(fd, &ret, sizeof(ret));
+    (void)close(fd);
+    APPSPAWN_LOGI("ClearEnvAndReturnSuccess %{public}u %{public}zd", client->id, written);
+}
+
 APPSPAWN_STATIC int RunChildThread(const AppSpawnMgr *content, const AppSpawningCtx *property)
 {
     std::string checkExit;
@@ -230,10 +244,10 @@ APPSPAWN_STATIC int RunChildThread(const AppSpawnMgr *content, const AppSpawning
     if (CheckAppMsgFlagsSet(property, APP_FLAGS_CHILDPROCESS)) {
         std::map<std::string, int> fdMap;
         BuildFdInfoMap(property->message, fdMap, IsColdRunMode(content));
-        AppSpawnEnvClear((AppSpawnContent *)&content->content, (AppSpawnClient *)&property->client);
+        ClearEnvAndReturnSuccess((AppSpawnContent *)&content->content, (AppSpawnClient *)&property->client);
         OHOS::AppExecFwk::MainThread::StartChild(fdMap);
     } else {
-        AppSpawnEnvClear((AppSpawnContent *)&content->content, (AppSpawnClient *)&property->client);
+        ClearEnvAndReturnSuccess((AppSpawnContent *)&content->content, (AppSpawnClient *)&property->client);
         OHOS::AppExecFwk::MainThread::Start();
     }
     unsetenv(APPSPAWN_CHECK_EXIT);
@@ -265,7 +279,7 @@ APPSPAWN_STATIC int RunChildByRenderCmd(const AppSpawnMgr *content, const AppSpa
     }
     options.push_back(nullptr);
     // clear appspawn env, do not user any content and property
-    AppSpawnEnvClear((AppSpawnContent *)&content->content, (AppSpawnClient *)&property->client);
+    ClearEnvAndReturnSuccess((AppSpawnContent *)&content->content, (AppSpawnClient *)&property->client);
     execvp(args[0].c_str(), options.data());
     // If it succeeds calling execvp, it never returns.
     int err = errno;
diff --git a/standard/appspawn_service.c b/standard/appspawn_service.c
index 8a0a598931cb40ce3b9c529320b81ae0aa879681..5f9bceb93c440e46f1ce0e401c80bb310e3f138e 100644
--- a/standard/appspawn_service.c
+++ b/standard/appspawn_service.c
@@ -1115,6 +1115,7 @@ static void ProcessChildResponse(const WatcherHandle taskHandle, int fd, uint32_
 static void NotifyResToParent(AppSpawnContent *content, AppSpawnClient *client, int result)
 {
     AppSpawningCtx *property = (AppSpawningCtx *)client;
+    APPSPAWN_CHECK(property != NULL && client != NULL, return, "invalid param");
     int fd = property->forkCtx.fd[1];
     if (fd >= 0) {
         (void)write(fd, &result, sizeof(result));
diff --git a/test/unittest/app_spawn_standard_test/app_spawn_cold_run_test.cpp b/test/unittest/app_spawn_standard_test/app_spawn_cold_run_test.cpp
index 77d3fcce0c2b13110fcaaf8f50793dc187a0d246..ebc0e2929a04a46d18262ade60298c4adfc2c177 100644
--- a/test/unittest/app_spawn_standard_test/app_spawn_cold_run_test.cpp
+++ b/test/unittest/app_spawn_standard_test/app_spawn_cold_run_test.cpp
@@ -262,9 +262,9 @@ HWTEST_F(AppSpawnColdRunTest, App_Spawn_Cold_Run_005, TestSize.Level0)
     appProperty.message->msgHeader.msgLen = 1024;
     char msg[] = "test-xxx-xxx";
     appProperty.message->buffer = (uint8_t *)msg;
-    AppSpawnClient client = {0, 1};
     struct ListNode node;
-    appProperty.client = client;
+    appProperty.client.id = 0;
+    appProperty.client.flags = 1;
     appProperty.node = node;
     appProperty.forkCtx.fd[0] = 0;
     appProperty.forkCtx.fd[1] = 1;
@@ -275,8 +275,8 @@ HWTEST_F(AppSpawnColdRunTest, App_Spawn_Cold_Run_005, TestSize.Level0)
     AppSpawnMgr spawnMgr;
     spawnMgr.content = content;
 
-    ret = AppSpawnColdStartApp(&content, &client);
-    ASSERT_EQ(ret, APPSPAWN_SYSTEM_ERROR);
+    ret = AppSpawnColdStartApp(&content, &appProperty.client);
+    ASSERT_EQ(ret, 0);
     free(appProperty.message);
 }
 }  // namespace OHOS
\ No newline at end of file
diff --git a/test/unittest/app_spawn_test_helper.cpp b/test/unittest/app_spawn_test_helper.cpp
index b85686d7c65dfa27957c62b257b3e730260a2825..61f730e1d7a4aaa6a20be5dd134aa3e9103c569c 100644
--- a/test/unittest/app_spawn_test_helper.cpp
+++ b/test/unittest/app_spawn_test_helper.cpp
@@ -58,6 +58,14 @@ uint32_t AppSpawnTestServer::serverId = 0;
 static int TestChildLoopRun(AppSpawnContent *content, AppSpawnClient *client)
 {
     APPSPAWN_LOGV("ChildLoopRun ...");
+    AppSpawningCtx *property = (AppSpawningCtx *)client;
+    APPSPAWN_CHECK(content != NULL && property != NULL, return 0, "invlid param in clearEnv");
+    int fd = property->forkCtx.fd[1];
+    property->forkCtx.fd[1] = -1;
+    APPSPAWN_CHECK(fd >= 0, return 0, "invalid fd for notify parent");
+    int ret = 0;
+    (void)write(fd, &ret, sizeof(ret));
+    (void)close(fd);
     sleep(1);
     return 0;
 }