diff --git a/testsuites/sample/kernel/queue/It_los_queue_static_005.c b/testsuites/sample/kernel/queue/It_los_queue_static_005.c
index 1b4e47dc..143cb254 100644
--- a/testsuites/sample/kernel/queue/It_los_queue_static_005.c
+++ b/testsuites/sample/kernel/queue/It_los_queue_static_005.c
@@ -42,7 +42,7 @@ static UINT32 Testcase(VOID)
 
     g_testQueueID01 = LOSCFG_BASE_IPC_QUEUE_LIMIT - 1;
 
-    ret = LOS_QueueCreateStatic("Q1", QUEUE_OVERSIZE_NUM, &g_testQueueID01, buff3, 0, 0xFFFF);
+    ret = LOS_QueueCreateStatic("Q1", QUEUE_OVERSIZE_NUM, &g_testQueueID01, (UINT8 *)buff3, 0, 0xFFFF);
     ICUNIT_GOTO_EQUAL(ret, LOS_ERRNO_QUEUE_SIZE_TOO_BIG, ret, EXIT);
 
     ret = LOS_QueueWrite(g_testQueueID01, &buff1, QUEUE_BASE_MSGSIZE, 0);
diff --git a/testsuites/sample/kernel/swtmr/It_los_swtmr_Delay_001.c b/testsuites/sample/kernel/swtmr/It_los_swtmr_Delay_001.c
index 93c9a4ae..67ba6712 100644
--- a/testsuites/sample/kernel/swtmr/It_los_swtmr_Delay_001.c
+++ b/testsuites/sample/kernel/swtmr/It_los_swtmr_Delay_001.c
@@ -62,10 +62,10 @@ static UINT32 Testcase(VOID)
         OS_SWTMR_ROUSES_IGNORE, OS_SWTMR_ALIGN_SENSITIVE
 #endif
     );
+    id2 = swtmrId1;
 
     ICUNIT_GOTO_EQUAL(ret, LOS_OK, ret, EXIT);
 
-    id2 = swtmrId1;
     ICUNIT_GOTO_NOT_EQUAL(id1, id2, swtmrId1, EXIT);
 
     ret = LOS_SwtmrDelete(id1);
diff --git a/testsuites/sample/kernel/swtmr/It_los_swtmr_Delay_003.c b/testsuites/sample/kernel/swtmr/It_los_swtmr_Delay_003.c
index 7d352e1e..81cef459 100644
--- a/testsuites/sample/kernel/swtmr/It_los_swtmr_Delay_003.c
+++ b/testsuites/sample/kernel/swtmr/It_los_swtmr_Delay_003.c
@@ -69,7 +69,7 @@ static UINT32 Testcase(VOID)
     );
     ICUNIT_GOTO_EQUAL(ret, LOS_OK, ret, EXIT);
     id2 = swtmrId1;
-    ICUNIT_GOTO_NOT_EQUAL(id1, id2, swtmrId1, EXIT);
+    ICUNIT_GOTO_NOT_EQUAL(id1, id2, swtmrId1, EXIT1);
 
     ret = LOS_SwtmrDelete(id1);
     ICUNIT_GOTO_EQUAL(ret, LOS_OK, ret, EXIT);
@@ -78,9 +78,10 @@ static UINT32 Testcase(VOID)
     ICUNIT_ASSERT_EQUAL(ret, LOS_OK, ret);
 
     return LOS_OK;
+EXIT1:
+    LOS_SwtmrDelete(id2);
 EXIT:
     LOS_SwtmrDelete(id1);
-    LOS_SwtmrDelete(id2);
     return LOS_OK;
 }
 
diff --git a/testsuites/sample/posix/mqueue/It_posix_queue.h b/testsuites/sample/posix/mqueue/It_posix_queue.h
index 273c0224..81fc26f2 100644
--- a/testsuites/sample/posix/mqueue/It_posix_queue.h
+++ b/testsuites/sample/posix/mqueue/It_posix_queue.h
@@ -30,6 +30,8 @@
 
 #ifndef IT_POSIX_QUEUE_H
 #define IT_POSIX_QUEUE_H
+#undef  _XOPEN_SOURCE
+#define _XOPEN_SOURCE 600
 
 #include <stdlib.h>
 #include <mqueue.h>
@@ -40,6 +42,7 @@
 #include <signal.h>
 #include <osTest.h>
 #include "pthread.h"
+#include "unistd.h"
 
 #define MAXMSG5 5
 #define MSGLEN 10
diff --git a/testsuites/sample/posix/mqueue/It_posix_queue_001.c b/testsuites/sample/posix/mqueue/It_posix_queue_001.c
index 4f1a7cdf..74b4e868 100644
--- a/testsuites/sample/posix/mqueue/It_posix_queue_001.c
+++ b/testsuites/sample/posix/mqueue/It_posix_queue_001.c
@@ -58,7 +58,6 @@ static UINT32 Testcase(VOID)
     return LOS_OK;
 EXIT1:
     mq_close(mqueue);
-EXIT:
     mq_unlink(mqname);
     return LOS_OK;
 }
diff --git a/testsuites/sample/posix/mqueue/It_posix_queue_003.c b/testsuites/sample/posix/mqueue/It_posix_queue_003.c
index 63aeacbe..8447d256 100644
--- a/testsuites/sample/posix/mqueue/It_posix_queue_003.c
+++ b/testsuites/sample/posix/mqueue/It_posix_queue_003.c
@@ -35,9 +35,6 @@ static UINT32 Testcase(VOID)
     CHAR msgrv1[MQUEUE_STANDARD_NAME_LENGTH] = {0};
     struct mq_attr attr = {0};
     INT32 ret = 0;
-    INT32 i;
-    pthread_t pthread1;
-    pthread_t pthread2;
     mqd_t mqueue1;
     mqd_t mqueue2;
     struct timespec ts;
@@ -59,7 +56,6 @@ static UINT32 Testcase(VOID)
     ret = mq_timedreceive(mqueue1, msgrv1, MQUEUE_STANDARD_NAME_LENGTH, NULL, &ts);
     ICUNIT_ASSERT_EQUAL(ret, -1, ret);
 
-EXIT:
     mq_close(mqueue1);
     mq_close(mqueue2);
     mq_unlink(mqname);
diff --git a/testsuites/sample/posix/mqueue/It_posix_queue_013.c b/testsuites/sample/posix/mqueue/It_posix_queue_013.c
index c8699537..a93b7b56 100644
--- a/testsuites/sample/posix/mqueue/It_posix_queue_013.c
+++ b/testsuites/sample/posix/mqueue/It_posix_queue_013.c
@@ -34,8 +34,6 @@ static UINT32 Testcase(VOID)
     INT32 ret;
     CHAR mqname[MQUEUE_STANDARD_NAME_LENGTH] = "";
     mqd_t mqueue;
-    struct sigevent ev;
-    struct sigaction act;
 
     ret = snprintf_s(mqname, MQUEUE_STANDARD_NAME_LENGTH, MQUEUE_STANDARD_NAME_LENGTH - 1,
                      "/mq013_%d", LOS_CurTaskIDGet());
diff --git a/testsuites/sample/posix/mqueue/It_posix_queue_021.c b/testsuites/sample/posix/mqueue/It_posix_queue_021.c
index 8c819eb2..5b124169 100644
--- a/testsuites/sample/posix/mqueue/It_posix_queue_021.c
+++ b/testsuites/sample/posix/mqueue/It_posix_queue_021.c
@@ -34,7 +34,6 @@ static UINT32 Testcase(VOID)
     INT32 ret;
     CHAR mqname[MQUEUE_STANDARD_NAME_LENGTH] = {0};
     mqd_t mqueue;
-    struct sigevent se;
 
     ret = snprintf_s(mqname, MQUEUE_STANDARD_NAME_LENGTH, MQUEUE_STANDARD_NAME_LENGTH - 1,
                      "/mq021_%d", LOS_CurTaskIDGet());
diff --git a/testsuites/sample/posix/mqueue/It_posix_queue_025.c b/testsuites/sample/posix/mqueue/It_posix_queue_025.c
index 5eca0def..2fbcedd2 100644
--- a/testsuites/sample/posix/mqueue/It_posix_queue_025.c
+++ b/testsuites/sample/posix/mqueue/It_posix_queue_025.c
@@ -55,7 +55,7 @@ EXIT:
 
 static VOID *PthreadF02(VOID *argument)
 {
-    INT32 j, ret;
+    INT32 ret;
 
     CHAR msgrcd[MQUEUE_STANDARD_NAME_LENGTH] = "";
 
@@ -82,8 +82,6 @@ static UINT32 Testcase(VOID)
 {
     pthread_t newTh1, newTh2;
     UINT32 ret;
-    CHAR msgrcd[MQUEUE_STANDARD_NAME_LENGTH] = "";
-    const CHAR *msgptr = MQUEUE_SEND_STRING_TEST;
     struct mq_attr attr = {0};
     pthread_attr_t attr1;
 
diff --git a/testsuites/sample/posix/mqueue/It_posix_queue_036.c b/testsuites/sample/posix/mqueue/It_posix_queue_036.c
index 76235e33..b7538d34 100644
--- a/testsuites/sample/posix/mqueue/It_posix_queue_036.c
+++ b/testsuites/sample/posix/mqueue/It_posix_queue_036.c
@@ -36,7 +36,7 @@ static VOID *PthreadF01(VOID *argument)
 
     g_testCount = 1;
 
-    TestAssertWaitDelay(&g_testCount, 3); // 3, Here, assert the g_testCount.
+    TestAssertWaitDelay((UINT32 *)&g_testCount, 3); // 3, Here, assert the g_testCount.
 
     ret = mq_send(g_gqueue, msgptr, strlen(msgptr), 0);
     ICUNIT_GOTO_EQUAL(ret, 0, ret, EXIT);
@@ -104,7 +104,7 @@ static UINT32 Testcase(VOID)
     ret = pthread_create(&newTh1, &attr1, PthreadF01, NULL);
     ICUNIT_GOTO_EQUAL(ret, 0, ret, EXIT1);
 
-    TestAssertWaitDelay(&g_testCount, 1);
+    TestAssertWaitDelay((UINT32 *)&g_testCount, 1);
 
     ret = PosixPthreadInit(&attr1, MQUEUE_PTHREAD_PRIORITY_TEST2);
     ICUNIT_GOTO_EQUAL(ret, 0, ret, EXIT2);
@@ -115,7 +115,7 @@ static UINT32 Testcase(VOID)
     ret = MqueueTaskDelay(10); // 10, Set delay time.
     ICUNIT_GOTO_EQUAL(ret, 0, ret, EXIT2);
 
-    TestAssertWaitDelay(&g_testCount, 4); // 4, Here, assert the g_testCount.
+    TestAssertWaitDelay((UINT32 *)&g_testCount, 4); // 4, Here, assert the g_testCount.
 
     ret = PosixPthreadDestroy(&attr1, newTh2);
     ICUNIT_GOTO_EQUAL(ret, 0, ret, EXIT1);
diff --git a/testsuites/sample/posix/mutex/It_posix_mutex_017.c b/testsuites/sample/posix/mutex/It_posix_mutex_017.c
index aa626262..a7ab40b5 100644
--- a/testsuites/sample/posix/mutex/It_posix_mutex_017.c
+++ b/testsuites/sample/posix/mutex/It_posix_mutex_017.c
@@ -37,7 +37,7 @@ static UINT32 Testcase(VOID)
     pthread_mutex_t mutex = TEST_MUTEX_INIT;
 
     sem_t sem;
-    int pshared;
+    int pshared = 0;
 
     ret = pthread_mutexattr_init(&mta);
     ICUNIT_ASSERT_EQUAL(ret, 0, ret);
diff --git a/testsuites/sample/posix/mutex/It_posix_mutex_036.c b/testsuites/sample/posix/mutex/It_posix_mutex_036.c
index c0e538a7..58d01ce2 100644
--- a/testsuites/sample/posix/mutex/It_posix_mutex_036.c
+++ b/testsuites/sample/posix/mutex/It_posix_mutex_036.c
@@ -33,7 +33,7 @@
 #define THREAD_NUM 5
 #define LOOPS 4
 
-static g_value;
+static int g_value;
 static pthread_mutex_t g_mutex036 = PTHREAD_MUTEX_INITIALIZER;
 
 /* pthread_mutex_lock 1-1.c
diff --git a/testsuites/sample/posix/mutex/It_posix_mutex_038.c b/testsuites/sample/posix/mutex/It_posix_mutex_038.c
index 74dc3aaf..37540215 100644
--- a/testsuites/sample/posix/mutex/It_posix_mutex_038.c
+++ b/testsuites/sample/posix/mutex/It_posix_mutex_038.c
@@ -28,13 +28,17 @@
  * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
+#undef  _XOPEN_SOURCE
+#define _XOPEN_SOURCE 600
+
 #include "It_posix_mutex.h"
+#include "unistd.h"
 
 #define THREAD_NUM 6
 #define LOOPS 3
 
 static pthread_mutex_t g_mutex040 = PTHREAD_MUTEX_INITIALIZER;
-static g_value;
+static int g_value;
 
 static void *TaskF01(void *parm)
 {
diff --git a/testsuites/sample/posix/pthread/It_posix_pthread.c b/testsuites/sample/posix/pthread/It_posix_pthread.c
index db88d229..a6427461 100644
--- a/testsuites/sample/posix/pthread/It_posix_pthread.c
+++ b/testsuites/sample/posix/pthread/It_posix_pthread.c
@@ -38,7 +38,7 @@ pthread_t TestPthreadSelf(void)
 {
     pthread_t tid = pthread_self();
     if (tid == 0) {
-        tid = ((LosTaskCB *)(OsCurrTaskGet()))->taskID;
+        tid = (pthread_t)(((LosTaskCB *)(OsCurrTaskGet()))->taskID);
     }
     return tid;
 }
diff --git a/testsuites/sample/posix/pthread_func_test.c b/testsuites/sample/posix/pthread_func_test.c
index 676a528a..3a1cf958 100644
--- a/testsuites/sample/posix/pthread_func_test.c
+++ b/testsuites/sample/posix/pthread_func_test.c
@@ -28,6 +28,9 @@
  * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
+#undef  _XOPEN_SOURCE
+#define _XOPEN_SOURCE 600
+
 #include <securec.h>
 #include "osTest.h"
 #include "pthread.h"
diff --git a/testsuites/unittest/posix/src/errno/strerror_test.c b/testsuites/unittest/posix/src/errno/strerror_test.c
index 718b216d..ca3ae043 100644
--- a/testsuites/unittest/posix/src/errno/strerror_test.c
+++ b/testsuites/unittest/posix/src/errno/strerror_test.c
@@ -95,7 +95,8 @@ LITE_TEST_CASE(PosixSysFuncTestSuite, testOsSysStrerror001, Function | MediumTes
     LOG("strerror(10) = %s\n", strerror(10));
     TEST_ASSERT_EQUAL_STRING("No children", strerror(10));
 #endif
-    
+
+    return LOS_OK;
 };
 
 RUN_TEST_SUITE(PosixSysFuncTestSuite);
diff --git a/testsuites/unittest/posix/src/posix_test.h b/testsuites/unittest/posix/src/posix_test.h
index eea1cc7e..d66e1592 100644
--- a/testsuites/unittest/posix/src/posix_test.h
+++ b/testsuites/unittest/posix/src/posix_test.h
@@ -85,6 +85,7 @@ extern void PosixIslowerFuncTest(void);
 extern void PosixIsxdigitFuncTest(void);
 extern void PosixTolowerFuncTest(void);
 extern void PosixToupperFuncTest(void);
+extern void ItSuitePosixMqueue(void);
 
 extern void PosixStrerrorTest(void);
 
diff --git a/testsuites/unittest/posix/src/stdlib/atoll_test.c b/testsuites/unittest/posix/src/stdlib/atoll_test.c
index 080bd0c3..a87b02c1 100644
--- a/testsuites/unittest/posix/src/stdlib/atoll_test.c
+++ b/testsuites/unittest/posix/src/stdlib/atoll_test.c
@@ -91,12 +91,12 @@ LITE_TEST_CASE(PosixStdlibAtollTest, testStdlibAtoll001, Function | MediumTest |
 LITE_TEST_CASE(PosixStdlibAtollTest, testStdlibAtoll002, Function | MediumTest | Level1)
 {
     long long value = atoll("-9223372036854775808");
-    if (value == -9223372036854775808LL) {
+    if (value == -9223372036854775808ULL) {
         LOG("[DEMO] posix stdlib test case 2:atoll(%lld) ok.\n", value);
     } else {
         LOG("[DEMO] posix stdlib test case 2:atoll(%lld) fail.\n", value);
     }
-    TEST_ASSERT_TRUE(value == -9223372036854775808LL);
+    TEST_ASSERT_TRUE(value == -9223372036854775808ULL);
     return 0;
 }
 
@@ -126,7 +126,7 @@ LITE_TEST_CASE(PosixStdlibAtollTest, testStdlibAtoll003, Function | MediumTest |
 LITE_TEST_CASE(PosixStdlibAtollTest, testStdlibAtoll004, Function | MediumTest | Level1)
 {
     long long value = atoll("9223372036854775808");
-    if (value == -9223372036854775808LL) {
+    if (value == -9223372036854775808ULL) {
         LOG("[DEMO] posix stdlib test case 4(except):atoll(%lld) != 9223372036854775808 ok.\n", value);
     } else {
         LOG("[DEMO] posix stdlib test case 4(except):atoll(%lld) fail.\n", value);
diff --git a/testsuites/unittest/posix/src/string/string_func_test_01.c b/testsuites/unittest/posix/src/string/string_func_test_01.c
index e9ec2f70..0e69a53b 100644
--- a/testsuites/unittest/posix/src/string/string_func_test_01.c
+++ b/testsuites/unittest/posix/src/string/string_func_test_01.c
@@ -29,6 +29,8 @@
  * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
+#define _GNU_SOURCE
+
 #include "posix_test.h"
 #include "los_config.h"
 #include "kernel_test.h"
diff --git a/testsuites/unittest/posix/src/string/string_func_test_02.c b/testsuites/unittest/posix/src/string/string_func_test_02.c
index 31800f3b..51718e98 100644
--- a/testsuites/unittest/posix/src/string/string_func_test_02.c
+++ b/testsuites/unittest/posix/src/string/string_func_test_02.c
@@ -29,6 +29,8 @@
  * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
+#define _GNU_SOURCE
+
 #include "ohos_types.h"
 #include "posix_test.h"
 #include "los_config.h"
diff --git a/testsuites/unittest/posix/src/time/time_func_test_01.c b/testsuites/unittest/posix/src/time/time_func_test_01.c
index 57baa537..a578c1eb 100644
--- a/testsuites/unittest/posix/src/time/time_func_test_01.c
+++ b/testsuites/unittest/posix/src/time/time_func_test_01.c
@@ -30,6 +30,9 @@
  */
 
 #define _GNU_SOURCE
+#undef  _XOPEN_SOURCE
+#define _XOPEN_SOURCE 600
+
 #include <sys/time.h>
 #include <sys/times.h>
 #include <time.h>