diff --git a/pthread_atfork_test_001.cpp b/pthread_atfork_test_001.cpp
deleted file mode 100644
index 0b8f7a6..0000000
--- a/pthread_atfork_test_001.cpp
+++ /dev/null
@@ -1,218 +0,0 @@
-/*1212
- * Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
- * Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without modification,
- * are permitted provided that the following conditions are met:
- *
- * 1. Redistributions of source code must retain the above copyright notice, this list of
- * conditions and the following disclaimer.
- *
- * 2. Redistributions in binary form must reproduce the above copyright notice, this list
- * of conditions and the following disclaimer in the documentation and/or other materials
- * provided with the distribution.
- *
- * 3. Neither the name of the copyright holder nor the names of its contributors may be used
- * to endorse or promote products derived from this software without specific prior written
- * permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
- * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
- * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
- * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
- * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
- * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
- * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-#include "it_pthread_test.h"
-
-static volatile int g_count = 0;
-static pthread_mutex_t g_lock = PTHREAD_MUTEX_INITIALIZER;
-static int g_testAtforkCount = 0;
-static int g_testAtforkPrepare = 0;
-static int g_testAtforkParent = 0;
-static int g_testAtforkChild = 0;
-static const int SLEEP_TIME = 2;
-
-static void Prepare()
-{
-    int err;
-    ICUNIT_ASSERT_EQUAL_VOID(g_testAtforkCount, 1, g_testAtforkCount);
-//    这是一个宏，用于检查条件是否满足。如果条件不满足，测试会停止并输出相应的信息。这里的作用是确保 g_testAtforkCount 等于 1。
-    err = pthread_mutex_lock(&g_lock);
-//    这行代码试图获取互斥锁 g_lock，如果获取成功，g_testAtforkPrepare 会自增，表示该线程执行了准备工作。
-    ICUNIT_ASSERT_EQUAL_VOID(err, 0, err);
-    g_testAtforkPrepare++;
-}
-
-static void Parent()
-{
-    int err;
-    ICUNIT_ASSERT_EQUAL_VOID(g_testAtforkCount, 1, g_testAtforkCount);
-
-    err = pthread_mutex_unlock(&g_lock);
-//    这行代码释放之前在 Prepare 函数中锁定的互斥量 g_lock，允许其他线程访问临界区。
-    ICUNIT_ASSERT_EQUAL_VOID(err, 0, err);
-    g_testAtforkParent++;
-//    增加 g_testAtforkParent，表示父进程执行完其相关操作。
-}
-
-static void child()
-{
-    int err;
-    ICUNIT_ASSERT_EQUAL_VOID(g_testAtforkCount, 1, g_testAtforkCount);
-
-    err = pthread_mutex_unlock(&g_lock);
-    ICUNIT_ASSERT_EQUAL_VOID(err, 0, err);
-    g_testAtforkChild++;
-//    增加 g_testAtforkChild，表示子进程执行完其相关操作。
-}
-
-static void *ThreadProc(void *arg)
-{
-    int err;
-    
-    // 进入一个循环，直到 g_count 达到 5。
-    while (g_count < 5) { 
-        // 锁住互斥量 g_lock，保护 g_count 的更新，防止并发修改。
-        err = pthread_mutex_lock(&g_lock);
-        ICUNIT_GOTO_EQUAL(err, 0, err, EXIT);
-
-        // 增加 g_count 的值，表示执行了一次计数。
-        g_count++;
-
-        // 调用 SLEEP_AND_YIELD 宏函数，让当前线程休眠一段时间并让出 CPU，允许其他线程执行。
-        SLEEP_AND_YIELD(SLEEP_TIME);
-
-        // 解锁互斥量 g_lock，允许其他线程访问被保护的资源。
-        err = pthread_mutex_unlock(&g_lock);
-        ICUNIT_GOTO_EQUAL(err, 0, err, EXIT);
-
-        // 再次调用 SLEEP_AND_YIELD 宏函数，让当前线程休眠并让出 CPU。
-        SLEEP_AND_YIELD(SLEEP_TIME);
-    }
-
-EXIT:
-    return NULL;
-}
-
-
-static void *PthreadAtforkTest(void *arg)
-{
-    int err;
-    pid_t pid;
-    pthread_t tid;
-    int status = 0;
-
-    // 初始化共享变量 g_count 和测试相关的变量
-    g_count = 0;
-    g_testAtforkCount = 0;
-    g_testAtforkPrepare = 0;
-    g_testAtforkParent = 0;
-    g_testAtforkChild = 0;
-
-    // 创建一个新的线程
-    err = pthread_create(&tid, NULL, ThreadProc, NULL);
-    ICUNIT_GOTO_EQUAL(err, 0, err, EXIT);
-
-    // 注册 fork 前的处理函数
-    err = pthread_atfork(Prepare, Parent, child);
-    ICUNIT_GOTO_EQUAL(err, 0, err, EXIT);
-
-    // 更新测试计数器，标记已创建线程
-    g_testAtforkCount++;
-
-    // 休眠并让出 CPU 控制
-    SLEEP_AND_YIELD(SLEEP_TIME);
-
-    // 调用 fork() 创建子进程
-    pid = fork();
-    ICUNIT_GOTO_WITHIN_EQUAL(pid, 0, 100000, pid, EXIT); // 100000, PID 不会超过 100000
-    ICUNIT_GOTO_EQUAL(g_testAtforkPrepare, 1, g_testAtforkPrepare, EXIT);
-
-    // 子进程的处理逻辑
-    if (pid == 0) {
-        // 子进程中，检查 g_testAtforkChild 是否为 1，确认子进程的状态
-        ICUNIT_GOTO_EQUAL(g_testAtforkChild, 1, g_testAtforkChild, EXIT);
-
-        // 子进程进入循环，直到 g_count 达到 5
-        while (g_count < 5) {
-            // 加锁，保护 g_count
-            err = pthread_mutex_lock(&g_lock);
-            ICUNIT_GOTO_EQUAL(err, 0, err, EXIT);
-
-            // 增加 g_count
-            g_count++;
-
-            // 休眠并让出 CPU 控制
-            SLEEP_AND_YIELD(SLEEP_TIME);
-
-            // 解锁
-            err = pthread_mutex_unlock(&g_lock);
-            ICUNIT_GOTO_EQUAL(err, 0, err, EXIT);
-
-            // 休眠并让出 CPU 控制
-            SLEEP_AND_YIELD(SLEEP_TIME);
-        }
-
-        // 子进程退出，设置退出状态为 15
-        exit(15); // 15, 设置退出状态
-    }
-
-    // 父进程中，检查 g_testAtforkParent 是否为 1，确认父进程的状态
-    ICUNIT_GOTO_EQUAL(g_testAtforkParent, 1, g_testAtforkParent, EXIT_WAIT);
-
-    // 等待子线程结束
-    err = pthread_join(tid, NULL);
-    ICUNIT_GOTO_EQUAL(err, 0, err, EXIT_WAIT);
-// 
-    // 父进程等待子进程退出 
-    err = waitpid(pid, &status, 0);
-    status = WEXITSTATUS(status);  // 获取子进程的退出状态
-    ICUNIT_GOTO_EQUAL(err, pid, err, EXIT);
-    ICUNIT_GOTO_EQUAL(status, 15, status, EXIT); // 检查子进程的退出状态是否为 15
-
-EXIT:
-    return NULL;
-
-EXIT_WAIT:
-    // 父进程等待子进程退出
-    (void)waitpid(pid, &status, 0);
-    return NULL;
-}
-
-
-static int Testcase()
-{
-    int ret;
-    pthread_t newPthread;
-    int curThreadPri, curThreadPolicy;
-    pthread_attr_t a = { 0 };
-    struct sched_param param = { 0 };
-
-    ret = pthread_getschedparam(pthread_self(), &curThreadPolicy, &param);
-    ICUNIT_ASSERT_EQUAL(ret, 0, -ret);
-
-    curThreadPri = param.sched_priority;
-
-    ret = pthread_attr_init(&a);
-    pthread_attr_setinheritsched(&a, PTHREAD_EXPLICIT_SCHED);
-    param.sched_priority = curThreadPri + 2; // 2, adjust the priority.
-    pthread_attr_setschedparam(&a, &param);
-    ret = pthread_create(&newPthread, &a, PthreadAtforkTest, 0);
-    ICUNIT_ASSERT_EQUAL(ret, 0, ret);
-
-    ret = pthread_join(newPthread, NULL);
-    ICUNIT_ASSERT_EQUAL(ret, 0, ret);
-
-    return 0;
-}
-
-void ItTestPthreadAtfork001(void)
-{
-    TEST_ADD_CASE("IT_PTHREAD_ATFORK_001", Testcase, TEST_POSIX, TEST_MEM, TEST_LEVEL0, TEST_FUNCTION);
-}