diff --git a/config_iccarm.gni b/config_iccarm.gni
index 0b934ff6..125afcc6 100644
--- a/config_iccarm.gni
+++ b/config_iccarm.gni
@@ -86,10 +86,6 @@ optimize_config_cflags = []
 optimize_config_asmflags = []
 
 if (defined(LOSCFG_COMPILE_DEBUG)) {
-  optimize_config_cflags += [
-    "-g",
-    "-gdwarf-2",
-  ]
   optimize_config_cflags += [ "-On" ]
 } else {
   if (defined(LOSCFG_COMPILE_OPTIMIZE)) {
@@ -118,12 +114,14 @@ kconfig_config_cflags += [
 warn_config_cflags = []
 warn_config_asmflags = []
 
-warn_config_cflags += [
-  "--warnings_affect_exit_code",
-  "--warnings_are_errors",
-  "--warn_about_c_style_casts",
-  "--warn_about_incomplete_constructors",
-]
+if (!defined(LOSCFG_TEST)) {
+  warn_config_cflags += [
+    "--warnings_affect_exit_code",
+    "--warnings_are_errors",
+    "--warn_about_c_style_casts",
+    "--warn_about_incomplete_constructors",
+  ]
+}
 
 #
 # dialect_config
diff --git a/testsuites/include/osTest.h b/testsuites/include/osTest.h
index 5f034449..78a4ddea 100644
--- a/testsuites/include/osTest.h
+++ b/testsuites/include/osTest.h
@@ -1,6 +1,6 @@
 /*
  * Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
- * Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved.
+ * Copyright (c) 2020-2022 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:
@@ -340,6 +340,7 @@ typedef struct tagHwiHandleForm {
 #define TEST_HwiCreate(ID, prio, mode, Func, irqParam) LOS_HwiCreate(ID, prio, mode, Func, irqParam)
 #define uart_printf_func printf
 
+extern VOID ItSuiteLosAtomic(void);
 extern VOID ItSuiteLosTask(void);
 extern VOID ItSuiteLosQueue(void);
 extern VOID ItSuiteLosMux(void);
diff --git a/testsuites/sample/cmsis/cmsis_func_test.c b/testsuites/sample/cmsis/cmsis_func_test.c
index aa15c496..bcd74ef8 100644
--- a/testsuites/sample/cmsis/cmsis_func_test.c
+++ b/testsuites/sample/cmsis/cmsis_func_test.c
@@ -101,14 +101,14 @@ LITE_TEST_CASE(CmsisFuncTestSuite, TestCmsis007, Function | MediumTest | Level1)
     msgQueueId = osMessageQueueNew(1, strlen(strbuff), &attr);
     ICUNIT_ASSERT_NOT_EQUAL(msgQueueId, NULL, msgQueueId);
 
-    name = osMessageQueueGetName(msgQueueId);
+    name = (CHAR *)osMessageQueueGetName(msgQueueId);
     ret = strcmp(name, "q1");
     ICUNIT_GOTO_EQUAL(ret, 0, ret, EXIT);
 
     ret = osMessageQueueDelete(msgQueueId);
     ICUNIT_ASSERT_EQUAL(ret, osOK, ret);
 
-    name = osMessageQueueGetName(msgQueueId);
+    name = (CHAR *)osMessageQueueGetName(msgQueueId);
     ICUNIT_ASSERT_EQUAL(name, NULL, name);
 
 #if (LOSCFG_BASE_IPC_QUEUE_STATIC == 1)
diff --git a/testsuites/sample/kernel/atomic/it_los_atomic.h b/testsuites/sample/kernel/atomic/it_los_atomic.h
index 6bb953ca..7d0d1017 100644
--- a/testsuites/sample/kernel/atomic/it_los_atomic.h
+++ b/testsuites/sample/kernel/atomic/it_los_atomic.h
@@ -1,6 +1,6 @@
 /*
  * Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
- * Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved.
+ * Copyright (c) 2020-2022 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:
@@ -56,6 +56,8 @@ extern VOID ItLosAtomic006(VOID);
 extern VOID ItLosAtomic007(VOID);
 extern VOID ItLosAtomic008(VOID);
 extern VOID ItLosAtomic009(VOID);
+extern VOID ItLosAtomic010(VOID);
+extern VOID ItLosAtomic011(VOID);
 
 #ifdef __cplusplus
 #if __cplusplus
diff --git a/testsuites/sample/kernel/atomic/it_los_atomic_011.c b/testsuites/sample/kernel/atomic/it_los_atomic_011.c
index d2a322e3..995c15f2 100644
--- a/testsuites/sample/kernel/atomic/it_los_atomic_011.c
+++ b/testsuites/sample/kernel/atomic/it_los_atomic_011.c
@@ -1,6 +1,6 @@
 /*
  * Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
- * Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved.
+ * Copyright (c) 2020-2022 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:
diff --git a/testsuites/sample/kernel/swtmr/It_los_swtmr_039.c b/testsuites/sample/kernel/swtmr/It_los_swtmr_039.c
index 020527ec..01a0c7b6 100644
--- a/testsuites/sample/kernel/swtmr/It_los_swtmr_039.c
+++ b/testsuites/sample/kernel/swtmr/It_los_swtmr_039.c
@@ -1,6 +1,6 @@
 /*
  * Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
- * Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved.
+ * Copyright (c) 2020-2022 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:
@@ -69,7 +69,7 @@ static UINT32 Testcase(VOID)
 
     g_testCount1 = 0;
     // 1, Timeout interval of a periodic software timer.
-    ret = LOS_SwtmrCreate(1, LOS_SWTMR_MODE_ONCE, (SWTMR_PROC_FUNC)Case2, &g_swtmrId1, &irqParam
+    ret = LOS_SwtmrCreate(1, LOS_SWTMR_MODE_ONCE, (SWTMR_PROC_FUNC)Case2, &g_swtmrId1, (UINT32)&irqParam
 #if (LOSCFG_BASE_CORE_SWTMR_ALIGN == 1)
         , OS_SWTMR_ROUSES_ALLOW, OS_SWTMR_ALIGN_INSENSITIVE
 #endif
diff --git a/testsuites/sample/kernel/task/It_los_task_054.c b/testsuites/sample/kernel/task/It_los_task_054.c
index 7417125b..b49dbd1d 100644
--- a/testsuites/sample/kernel/task/It_los_task_054.c
+++ b/testsuites/sample/kernel/task/It_los_task_054.c
@@ -1,6 +1,6 @@
 /*
  * Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
- * Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved.
+ * Copyright (c) 2020-2022 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:
@@ -71,7 +71,7 @@ static VOID TaskF01(VOID)
 #ifdef __RISC_V__
     ret = LOS_HwiCreate(HWI_NUM_TEST, 1, 0, HwiF01, 0);
 #else
-    ret = LOS_HwiCreate(HWI_NUM_TEST, 1, 0, HwiF01, 1);
+    ret = LOS_HwiCreate(HWI_NUM_TEST, 1, 0, HwiF01, (HwiIrqParam *)1);
 #endif
     ICUNIT_ASSERT_EQUAL_VOID(ret, LOS_OK, ret);
 
diff --git a/testsuites/sample/posix/pthread_func_test.c b/testsuites/sample/posix/pthread_func_test.c
index 3c674a34..ba112acb 100644
--- a/testsuites/sample/posix/pthread_func_test.c
+++ b/testsuites/sample/posix/pthread_func_test.c
@@ -31,7 +31,9 @@
 #include <securec.h>
 #include "osTest.h"
 #include "pthread.h"
+#include "time.h"
 
+#undef TASK_PRIO_TEST
 #define TASK_PRIO_TEST           LOSCFG_BASE_CORE_TSK_DEFAULT_PRIO
 #define OS_TSK_TEST_STACK_SIZE   0x1000
 #define PTHREAD_TASK_DELAY       10
@@ -582,10 +584,10 @@ LITE_TEST_CASE(PthreadFuncTestSuite, TestPthread008, Function | MediumTest | Lev
     int result = 0;
     UINT32 ret;
 
-    ret = pthread_key_create(&g_pthreadKey1, pthreadKeyFree);
+    ret = pthread_key_create((pthread_key_t *)&g_pthreadKey1, pthreadKeyFree);
     ICUNIT_ASSERT_EQUAL(ret, 0, ret);
 
-    ret = pthread_key_create(&g_pthreadKey2, pthreadKeyFree);
+    ret = pthread_key_create((pthread_key_t *)&g_pthreadKey2, pthreadKeyFree);
     ICUNIT_ASSERT_EQUAL(ret, 0, ret);
 
     ret = pthread_attr_init(&attr);
@@ -657,7 +659,7 @@ LITE_TEST_CASE(PthreadFuncTestSuite, TestPthread009, Function | MediumTest | Lev
     ICUNIT_ASSERT_EQUAL(ret, 0, ret);
 
     for (i = 0; i < TEST_THREAD_COUNT; i++) {
-        ret = pthread_create(&thread[i], &attr, PthreadPrioFunc01, TEST_THREAD_COUNT - i);
+        ret = pthread_create(&thread[i], &attr, PthreadPrioFunc01, (void *)(TEST_THREAD_COUNT - i));
         ICUNIT_ASSERT_EQUAL(ret, 0, ret);
     }
 
diff --git a/testsuites/unittest/posix/BUILD.gn b/testsuites/unittest/posix/BUILD.gn
index 8bf3003f..0c2f8f4b 100644
--- a/testsuites/unittest/posix/BUILD.gn
+++ b/testsuites/unittest/posix/BUILD.gn
@@ -1,5 +1,5 @@
 # Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
-# Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved.
+# Copyright (c) 2020-2022 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:
@@ -27,6 +27,7 @@
 # OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
 # ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
+import("//kernel/liteos_m/liteos.gni")
 import("//test/xts/tools/lite/build/suite_lite.gni")
 
 static_library("posix_test") {
@@ -65,6 +66,11 @@ static_library("posix_test") {
     "src",
   ]
 
-  cflags = [ "-Wno-error" ]
+  if (!defined(LOSCFG_COMPILER_ICCARM)) {
+    cflags = [ "-Wno-error" ]
+  } else {
+    cflags = [ "--no_warnings" ]
+  }
+
   configs += [ "//kernel/liteos_m/testsuites:include" ]
 }
diff --git a/testsuites/unittest/posix/src/fs/posix_fs_func_test.c b/testsuites/unittest/posix/src/fs/posix_fs_func_test.c
index 124dc2db..66021747 100644
--- a/testsuites/unittest/posix/src/fs/posix_fs_func_test.c
+++ b/testsuites/unittest/posix/src/fs/posix_fs_func_test.c
@@ -1,6 +1,6 @@
 /*
  * Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
- * Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved.
+ * Copyright (c) 2020-2022 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:
@@ -43,7 +43,8 @@
 #include "log.h"
 #include <fcntl.h>
 #include <dirent.h>
-#include "sys/stat.h"
+#include <sys/stat.h>
+#include <unistd.h>
 
 /* *
  * @tc.desc      : register a test suite, this suite is used to test basic flow and interface dependency
@@ -1074,7 +1075,7 @@ LITE_TEST_CASE(PosixFsFuncTestSuite, testFsFreadFwrite003, Function | MediumTest
     fp = fopen(TEST_FILE_PTAH_RIGHT, "r");
     TEST_ASSERT_NOT_NULL(fp);
 
-    ret = fread(chr1, strlen(chr1) + 1, 1, fp);
+    ret = fread((void *)chr1, strlen(chr1) + 1, 1, fp);
     TEST_ASSERT_TRUE(ret != -1);
 
     ret = fclose(fp);
diff --git a/testsuites/unittest/posix/src/posix_test.h b/testsuites/unittest/posix/src/posix_test.h
index 7434aca1..07a90f1a 100644
--- a/testsuites/unittest/posix/src/posix_test.h
+++ b/testsuites/unittest/posix/src/posix_test.h
@@ -44,7 +44,9 @@
 #define Function   0
 #define MediumTest 0
 #define Level1     0
+#define LITE_TEST_SUIT(subsystem, module, testsuit)
 #define LITE_TEST_CASE(module, function, flag) static int function(void)
+#define RUN_TEST_SUITE(testsuit)
 
 #define TEST_ASSERT_EQUAL(expected, actual) ICUNIT_ASSERT_EQUAL(expected, actual, actual)
 #define TEST_ASSERT_EQUAL_INT(expected, actual) TEST_ASSERT_EQUAL(expected, actual)
diff --git a/testsuites/unittest/posix/src/string/string_func_test_03.c b/testsuites/unittest/posix/src/string/string_func_test_03.c
index 85f0d5d4..7d135459 100644
--- a/testsuites/unittest/posix/src/string/string_func_test_03.c
+++ b/testsuites/unittest/posix/src/string/string_func_test_03.c
@@ -1,6 +1,6 @@
 /*
  * Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
- * Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved.
+ * Copyright (c) 2020-2022 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:
@@ -211,6 +211,7 @@ LITE_TEST_CASE(PosixStringFuncTestSuite, testStrStrcspn002, Function | MediumTes
     return 0;
 };
 
+#ifndef LOSCFG_COMPILER_ICCARM
 /* *
  * @tc.number    : SUB_KERNEL_POSIX_strptime_OPERATION_001
  * @tc.name      : Memony operation for strptime test
@@ -229,6 +230,7 @@ LITE_TEST_CASE(PosixStringFuncTestSuite, testStrStrptime001, Function | MediumTe
     TEST_ASSERT_EQUAL_INT(tmData.tm_min, 24);
     return 0;
 }
+#endif
 
 
 RUN_TEST_SUITE(PosixStringFuncTestSuite);
@@ -243,7 +245,9 @@ void PosixStringFuncTest03()
     RUN_ONE_TESTCASE(testStrStrdup002);
     RUN_ONE_TESTCASE(testStrStrcspn001);
     RUN_ONE_TESTCASE(testStrStrcspn002);
+#ifndef LOSCFG_COMPILER_ICCARM
     RUN_ONE_TESTCASE(testStrStrptime001);
+#endif
 
     return;
 }
\ No newline at end of file