diff --git a/security_lite/huks/common/hks_test_file_operator.c b/security_lite/huks/common/hks_test_file_operator.c
index b2f8334d876b652e82635cfdf1e16114149cf00e..d887fd200c759038a444b3ab71f33a6d8f0d8072 100644
--- a/security_lite/huks/common/hks_test_file_operator.c
+++ b/security_lite/huks/common/hks_test_file_operator.c
@@ -104,7 +104,6 @@ static uint32_t FileRead(const char *fileName, uint32_t offset, uint8_t *buf, ui
     }
 
     char filePath[PATH_MAX + 1] = {0};
-    (void)realpath(fileName, filePath);
     if (strstr(filePath, "../") != NULL) {
         HKS_TEST_LOG_E("invalid filePath, path %s", filePath);
         return 0;
@@ -148,7 +147,6 @@ static int32_t FileWrite(const char *fileName, uint32_t offset, const uint8_t *b
     if (memcpy_s(filePath, sizeof(filePath) - 1, fileName, strlen(fileName)) != EOK) {
         return HKS_ERROR_BAD_STATE;
     }
-    (void)realpath(fileName, filePath);
     if (strstr(filePath, "../") != NULL) {
         HKS_TEST_LOG_E("invalid filePath, path %s", filePath);
         return HKS_ERROR_INVALID_KEY_FILE;
@@ -182,22 +180,6 @@ static int32_t FileWrite(const char *fileName, uint32_t offset, const uint8_t *b
     return HKS_SUCCESS;
 }
 
-int32_t HksIsFileExist(const char *path, const char *fileName)
-{
-    if (fileName == NULL) {
-        return HKS_ERROR_NULL_POINTER;
-    }
-
-    char *fullFileName = NULL;
-    int32_t ret = GetFullFileName(path, fileName, &fullFileName);
-    if (ret != HKS_SUCCESS) {
-        return ret;
-    }
-
-    ret = IsFileExist(fullFileName);
-    HksTestFree(fullFileName);
-    return ret;
-}
 #else
 static uint32_t FileRead(const char *fileName, uint32_t offset, uint8_t *buf, uint32_t len)
 {
@@ -206,6 +188,7 @@ static uint32_t FileRead(const char *fileName, uint32_t offset, uint8_t *buf, ui
         return HKS_ERROR_INVALID_ARGUMENT;
     }
 
+
     unsigned int fileSize;
     int32_t ret = UtilsFileStat(fileName, &fileSize);
     if (ret < 0) {
diff --git a/security_lite/huks/liteos_m_adapter/hks_aes_test.c b/security_lite/huks/liteos_m_adapter/hks_aes_test.c
index 300681b846fdd03e93b8ccf94b4b8f41b20ce6d6..dc110242f1598cc401df605425bd999d55b76d7f 100644
--- a/security_lite/huks/liteos_m_adapter/hks_aes_test.c
+++ b/security_lite/huks/liteos_m_adapter/hks_aes_test.c
@@ -14,7 +14,7 @@
  */
 
 #include "hctest.h"
-#include "iot_watchdog.h"
+
 #include "hks_api.h"
 #include "hks_param.h"
 #include "securec.h"
@@ -48,7 +48,6 @@ static void ExecHksInitialize(void const *argument)
 static BOOL HksAesTestSetUp()
 {
     LiteTestPrint("setup\n");
-    IoTWatchDogDisable();
     osThreadId_t id;
     osThreadAttr_t attr;
     g_setPriority = osPriorityAboveNormal6;
@@ -72,7 +71,6 @@ static BOOL HksAesTestSetUp()
 static BOOL HksAesTestTearDown()
 {
     LiteTestPrint("tearDown\n");
-    IoTWatchDogEnable();
     return TRUE;
 }
 
diff --git a/security_lite/huks/liteos_m_adapter/hks_agreement_test.c b/security_lite/huks/liteos_m_adapter/hks_agreement_test.c
index db6716957f0c6a59a9aaf82bb62b24741a18d417..9b9f8d9b96dfa8cee7447640c9862b0fcff2d638 100644
--- a/security_lite/huks/liteos_m_adapter/hks_agreement_test.c
+++ b/security_lite/huks/liteos_m_adapter/hks_agreement_test.c
@@ -14,7 +14,7 @@
  */
 
 #include "hctest.h"
-#include "iot_watchdog.h"
+
 #include "hks_agreement_test.h"
 #include "hks_api.h"
 #include "hks_param.h"
@@ -57,7 +57,6 @@ static void ExecHksInitialize(void const *argument)
 static BOOL HksAgreementTestSetUp()
 {
     LiteTestPrint("setup\n");
-    IoTWatchDogDisable();
     osThreadId_t id;
     osThreadAttr_t attr;
     g_setPriority = osPriorityAboveNormal6;
@@ -81,8 +80,6 @@ static BOOL HksAgreementTestSetUp()
 static BOOL HksAgreementTestTearDown()
 {
     LiteTestPrint("tearDown\n");
-
-    IoTWatchDogEnable();
     return TRUE;
 }
 
diff --git a/security_lite/huks/liteos_m_adapter/hks_bn_exp_mod_test.c b/security_lite/huks/liteos_m_adapter/hks_bn_exp_mod_test.c
index 84cb8483a16bff1349982a3d76b021f6c95ff958..98bcd7a1460565fbcdde1010780a03ecbdfcd8dd 100644
--- a/security_lite/huks/liteos_m_adapter/hks_bn_exp_mod_test.c
+++ b/security_lite/huks/liteos_m_adapter/hks_bn_exp_mod_test.c
@@ -14,7 +14,7 @@
  */
 
 #include "hctest.h"
-#include "iot_watchdog.h"
+
 #include "hks_bn_exp_mod_test.h"
 #include "hks_api.h"
 #include "hks_param.h"
@@ -52,7 +52,6 @@ static void ExecHksInitialize(void const *argument)
 static BOOL HksBnExpModTestSetUp()
 {
     LiteTestPrint("setup\n");
-    IoTWatchDogDisable();
     osThreadId_t id;
     osThreadAttr_t attr;
     g_setPriority = osPriorityAboveNormal6;
@@ -76,7 +75,6 @@ static BOOL HksBnExpModTestSetUp()
 static BOOL HksBnExpModTestTearDown()
 {
     LiteTestPrint("tearDown\n");
-    IoTWatchDogEnable();
     return TRUE;
 }
 
diff --git a/security_lite/huks/liteos_m_adapter/hks_cipher_test.c b/security_lite/huks/liteos_m_adapter/hks_cipher_test.c
index 5e33dd7fb36532f032356cae09552f9a4d51199c..8d73f9522f66d2f7408243cf3d40e51ffecb74a5 100644
--- a/security_lite/huks/liteos_m_adapter/hks_cipher_test.c
+++ b/security_lite/huks/liteos_m_adapter/hks_cipher_test.c
@@ -16,7 +16,7 @@
 #include "hks_cipher_test.h"
 
 #include "hctest.h"
-#include "iot_watchdog.h"
+
 #include "hks_api.h"
 #include "hks_param.h"
 #include "hks_test_cipher.h"
@@ -57,7 +57,6 @@ static void ExecHksInitialize(void const *argument)
 static BOOL HksCipherTestSetUp()
 {
     LiteTestPrint("setup\n");
-    IoTWatchDogDisable();
     osThreadId_t id;
     osThreadAttr_t attr;
     g_setPriority = osPriorityAboveNormal6;
@@ -81,7 +80,6 @@ static BOOL HksCipherTestSetUp()
 static BOOL HksCipherTestTearDown()
 {
     LiteTestPrint("tearDown\n");
-    IoTWatchDogEnable();
     return TRUE;
 }
 
diff --git a/security_lite/huks/liteos_m_adapter/hks_curve25519_test.c b/security_lite/huks/liteos_m_adapter/hks_curve25519_test.c
index 61b87bd67ddffdd0e5f95aa1ca68d37880f0eb79..c1051abc5b69d49ad8bbd2e4d400bbb6efe9c10e 100644
--- a/security_lite/huks/liteos_m_adapter/hks_curve25519_test.c
+++ b/security_lite/huks/liteos_m_adapter/hks_curve25519_test.c
@@ -19,7 +19,7 @@
 
 #include "cmsis_os2.h"
 #include "hctest.h"
-#include "iot_watchdog.h"
+
 #include "hks_api.h"
 #include "hks_param.h"
 #include "hks_test_curve25519.h"
@@ -56,7 +56,6 @@ static void ExecHksInitialize(void const *argument)
 static BOOL HksCurve25519TestSetUp()
 {
     LiteTestPrint("setup\n");
-    IoTWatchDogDisable();
     osThreadId_t id;
     osThreadAttr_t attr;
     g_setPriority = osPriorityAboveNormal6;
@@ -80,7 +79,6 @@ static BOOL HksCurve25519TestSetUp()
 static BOOL HksCurve25519TestTearDown()
 {
     LiteTestPrint("tearDown\n");
-    IoTWatchDogEnable();
     return TRUE;
 }
 
diff --git a/security_lite/huks/liteos_m_adapter/hks_delete_test.c b/security_lite/huks/liteos_m_adapter/hks_delete_test.c
index 9b1cbce52b269d5190966f7c6b5865e5228852e4..3aaadc411a5ac79ca20a2fbd96415492269cb4bc 100644
--- a/security_lite/huks/liteos_m_adapter/hks_delete_test.c
+++ b/security_lite/huks/liteos_m_adapter/hks_delete_test.c
@@ -16,7 +16,7 @@
 #ifndef _CUT_AUTHENTICATE_
 
 #include "hctest.h"
-#include "iot_watchdog.h"
+
 #include "hks_delete_test.h"
 #include "hks_api.h"
 #include "hks_param.h"
@@ -82,7 +82,6 @@ static void ExecHksDeleteTest001(void const *argument)
 static BOOL HksDeleteTestSetUp()
 {
     LiteTestPrint("setup\n");
-    IoTWatchDogDisable();
     osThreadId_t id;
     osThreadAttr_t attr;
     g_setPriority = osPriorityAboveNormal6;
@@ -106,7 +105,6 @@ static BOOL HksDeleteTestSetUp()
 static BOOL HksDeleteTestTearDown()
 {
     LiteTestPrint("tearDown\n");
-    IoTWatchDogEnable();
     return TRUE;
 }
 
diff --git a/security_lite/huks/liteos_m_adapter/hks_derive_test.c b/security_lite/huks/liteos_m_adapter/hks_derive_test.c
index b77d55437ce9b5271ea20a12aa91cc0c46547254..af2fca799cd25fb792cbb3e0112c6251d07f2ca4 100644
--- a/security_lite/huks/liteos_m_adapter/hks_derive_test.c
+++ b/security_lite/huks/liteos_m_adapter/hks_derive_test.c
@@ -13,7 +13,7 @@
  * limitations under the License.
  */
 
-#include "iot_watchdog.h"
+
 #include <hctest.h>
 
 #include "hks_derive_test.h"
@@ -56,7 +56,6 @@ static void ExecHksInitialize(void const *argument)
 static BOOL HksDeriveTestSetUp()
 {
     LiteTestPrint("setup\n");
-    IoTWatchDogDisable();
     osThreadId_t id;
     osThreadAttr_t attr;
     g_setPriority = osPriorityAboveNormal6;
@@ -80,7 +79,6 @@ static BOOL HksDeriveTestSetUp()
 static BOOL HksDeriveTestTearDown()
 {
     LiteTestPrint("tearDown\n");
-    IoTWatchDogEnable();
     return TRUE;
 }
 
diff --git a/security_lite/huks/liteos_m_adapter/hks_exist_test.c b/security_lite/huks/liteos_m_adapter/hks_exist_test.c
index 5d60156e97203c26fd58245c8655818c9e979859..ac981aa9af2b25d284d85dc9f861e10a6b9cfbd3 100644
--- a/security_lite/huks/liteos_m_adapter/hks_exist_test.c
+++ b/security_lite/huks/liteos_m_adapter/hks_exist_test.c
@@ -16,7 +16,7 @@
 #ifndef _CUT_AUTHENTICATE_
 
 #include "hctest.h"
-#include "iot_watchdog.h"
+
 #include "hks_api.h"
 #include "hks_exist_test.h"
 #include "hks_param.h"
@@ -91,7 +91,6 @@ static void ExecHksExistTest001(void const *argument)
 static BOOL HksExistTestSetUp(void)
 {
     LiteTestPrint("setup\n");
-    IoTWatchDogDisable();
     osThreadId_t id;
     osThreadAttr_t attr;
     g_setPriority = osPriorityAboveNormal6;
@@ -118,7 +117,6 @@ static BOOL HksExistTestSetUp(void)
 static BOOL HksExistTestTearDown(void)
 {
     LiteTestPrint("tearDown\n");
-    IoTWatchDogEnable();
     return TRUE;
 }
 
diff --git a/security_lite/huks/liteos_m_adapter/hks_generate_key_test.c b/security_lite/huks/liteos_m_adapter/hks_generate_key_test.c
index c7581b254623e583383385fa8e575a0ad4051b7f..7675d495f9648764c7e0e226b28f51fa5ce80ec2 100644
--- a/security_lite/huks/liteos_m_adapter/hks_generate_key_test.c
+++ b/security_lite/huks/liteos_m_adapter/hks_generate_key_test.c
@@ -18,7 +18,7 @@
 #include "hks_generate_key_test.h"
 
 #include <hctest.h>
-#include "iot_watchdog.h"
+
 #include "hks_api.h"
 #include "hks_param.h"
 #include "hks_test_api_performance.h"
@@ -56,7 +56,6 @@ static void ExecHksInitialize(void const *argument)
 static BOOL HksGenerateKeyTestSetUp()
 {
     LiteTestPrint("setup\n");
-    IoTWatchDogDisable();
     osThreadId_t id;
     osThreadAttr_t attr;
     g_setPriority = osPriorityAboveNormal6;
@@ -80,7 +79,6 @@ static BOOL HksGenerateKeyTestSetUp()
 static BOOL HksGenerateKeyTestTearDown()
 {
     LiteTestPrint("tearDown\n");
-    IoTWatchDogEnable();
     return TRUE;
 }
 
diff --git a/security_lite/huks/liteos_m_adapter/hks_generate_random_test.c b/security_lite/huks/liteos_m_adapter/hks_generate_random_test.c
index cf00fada60f4bf7b256a9d8a722011fed47ac43b..d79bea696dd5fefeedf050325aff17ac9610291e 100644
--- a/security_lite/huks/liteos_m_adapter/hks_generate_random_test.c
+++ b/security_lite/huks/liteos_m_adapter/hks_generate_random_test.c
@@ -15,7 +15,7 @@
 
 #include "hks_generate_random_test.h"
 #include "hctest.h"
-#include "iot_watchdog.h"
+
 #include "hks_api.h"
 #include "hks_param.h"
 #include "hks_test_api_performance.h"
@@ -54,7 +54,6 @@ static void ExecHksInitialize(void const *argument)
 static BOOL HksGenerateRandomTestSetUp()
 {
     LiteTestPrint("setup\n");
-    IoTWatchDogDisable();
     osThreadId_t id;
     osThreadAttr_t attr;
     g_setPriority = osPriorityAboveNormal6;
@@ -78,7 +77,6 @@ static BOOL HksGenerateRandomTestSetUp()
 static BOOL HksGenerateRandomTestTearDown()
 {
     LiteTestPrint("tearDown\n");
-    IoTWatchDogEnable();
     return TRUE;
 }
 
diff --git a/security_lite/huks/liteos_m_adapter/hks_hash_test.c b/security_lite/huks/liteos_m_adapter/hks_hash_test.c
index 558e045c86bda32cffae30061ddc2409593bcc8c..2e4fc76381772c48e65116675357d825f8c9e1c4 100644
--- a/security_lite/huks/liteos_m_adapter/hks_hash_test.c
+++ b/security_lite/huks/liteos_m_adapter/hks_hash_test.c
@@ -16,7 +16,7 @@
 #ifndef _CUT_AUTHENTICATE_
 
 #include <hctest.h>
-#include "iot_watchdog.h"
+
 #include "hks_api.h"
 #include "hks_param.h"
 #include "hks_test_api_performance.h"
@@ -58,7 +58,6 @@ static void ExecHksInitialize(void const *argument)
 static BOOL HksHashTestSetUp()
 {
     LiteTestPrint("setup\n");
-    IoTWatchDogDisable();
     osThreadId_t id;
     osThreadAttr_t attr;
     g_setPriority = osPriorityAboveNormal6;
@@ -82,7 +81,6 @@ static BOOL HksHashTestSetUp()
 static BOOL HksHashTestTearDown()
 {
     LiteTestPrint("tearDown\n");
-    IoTWatchDogEnable();
     return TRUE;
 }
 
diff --git a/security_lite/huks/liteos_m_adapter/hks_mac_test.c b/security_lite/huks/liteos_m_adapter/hks_mac_test.c
index 2eaaad9065dbc98b132a91fe32308cd2ddee0a90..199c7273e1cbc11e8ac78e13036988efab008f1d 100644
--- a/security_lite/huks/liteos_m_adapter/hks_mac_test.c
+++ b/security_lite/huks/liteos_m_adapter/hks_mac_test.c
@@ -16,7 +16,7 @@
 #include "hks_mac_test.h"
 
 #include <hctest.h>
-#include "iot_watchdog.h"
+
 #include "hks_api.h"
 #include "hks_param.h"
 #include "hks_test_api_performance.h"
@@ -79,7 +79,6 @@ static void ExecHksInitialize(void const *argument)
 static BOOL HksMacTestSetUp()
 {
     LiteTestPrint("setup\n");
-    IoTWatchDogDisable();
     osThreadId_t id;
     osThreadAttr_t attr;
     g_setPriority = osPriorityAboveNormal6;
@@ -103,7 +102,6 @@ static BOOL HksMacTestSetUp()
 static BOOL HksMacTestTearDown()
 {
     LiteTestPrint("tearDown\n");
-    IoTWatchDogEnable();
     return TRUE;
 }
 
diff --git a/security_lite/huks/liteos_m_adapter/hks_modify_key_test.c b/security_lite/huks/liteos_m_adapter/hks_modify_key_test.c
index e346989f5cc23c04055251ede0ac5279f4ec2c3e..f91657283483d8f8e4f062aa7660931484abe124 100644
--- a/security_lite/huks/liteos_m_adapter/hks_modify_key_test.c
+++ b/security_lite/huks/liteos_m_adapter/hks_modify_key_test.c
@@ -18,7 +18,7 @@
 #include "hks_modify_key_test.h"
 
 #include <hctest.h>
-#include "iot_watchdog.h"
+
 #include "hks_api.h"
 #include "hks_param.h"
 #include "hks_test_api_performance.h"
@@ -107,7 +107,6 @@ static void ExecHksInitialize(void const *argument)
 static BOOL HksModifyKeyTestSetUp()
 {
     LiteTestPrint("setup\n");
-    IoTWatchDogDisable();
     osThreadId_t id;
     osThreadAttr_t attr;
     g_setPriority = osPriorityAboveNormal6;
@@ -136,7 +135,6 @@ static BOOL HksModifyKeyTestTearDown()
 {
     LiteTestPrint("tearDown\n");
     HksTestRemoveFile();
-    IoTWatchDogEnable();
     return TRUE;
 }
 
diff --git a/security_lite/huks/liteos_m_adapter/hks_others_test.c b/security_lite/huks/liteos_m_adapter/hks_others_test.c
index c6888abd8a01e4fd6d575e8c6cd09000bf3482e9..a807208e024df3fdc23725784fe899ab8d73f177 100644
--- a/security_lite/huks/liteos_m_adapter/hks_others_test.c
+++ b/security_lite/huks/liteos_m_adapter/hks_others_test.c
@@ -18,7 +18,7 @@
 #include "hks_others_test.h"
 
 #include <hctest.h>
-#include "iot_watchdog.h"
+
 #include "hks_api.h"
 #include "hks_param.h"
 #include "hks_type.h"
@@ -53,7 +53,6 @@ static void ExecHksInitialize(void const *argument)
 static BOOL HksOthersTestSetUp()
 {
     LiteTestPrint("setup\n");
-    IoTWatchDogDisable();
     osThreadId_t id;
     osThreadAttr_t attr;
     g_setPriority = osPriorityAboveNormal6;
@@ -77,7 +76,6 @@ static BOOL HksOthersTestSetUp()
 static BOOL HksOthersTestTearDown()
 {
     LiteTestPrint("tearDown\n");
-    IoTWatchDogEnable();
     return TRUE;
 }
 
diff --git a/security_lite/huks/liteos_m_adapter/hks_safe_cipher_key_test.c b/security_lite/huks/liteos_m_adapter/hks_safe_cipher_key_test.c
index 5e8a6858deb599772b6c2d25fe2b439622ae06a8..ce7bc4a682c01a3e247240e872f65fb140912277 100644
--- a/security_lite/huks/liteos_m_adapter/hks_safe_cipher_key_test.c
+++ b/security_lite/huks/liteos_m_adapter/hks_safe_cipher_key_test.c
@@ -19,7 +19,7 @@
 #include "hks_safe_cipher_key_test.h"
 
 #include <hctest.h>
-#include "iot_watchdog.h"
+
 #include "hks_api.h"
 #include "hks_param.h"
 #include "hks_test_curve25519.h"
@@ -58,7 +58,6 @@ static void ExecHksInitialize(void const *argument)
 static BOOL HksSafeCipherKeyTestSetUp()
 {
     LiteTestPrint("setup\n");
-    IoTWatchDogDisable();
     osThreadId_t id;
     osThreadAttr_t attr;
     g_setPriority = osPriorityAboveNormal6;
@@ -83,7 +82,6 @@ static BOOL HksSafeCipherKeyTestSetUp()
 static BOOL HksSafeCipherKeyTestTearDown()
 {
     LiteTestPrint("tearDown\n");
-    IoTWatchDogEnable();
     return TRUE;
 }
 
diff --git a/security_lite/huks/liteos_m_adapter/hks_safe_compare_key_test.c b/security_lite/huks/liteos_m_adapter/hks_safe_compare_key_test.c
index d445da0f941c935d2dc851fa8ef5d350d40b83d4..6e721f421da7ef932f5059c7a5ac5176dabfabe1 100644
--- a/security_lite/huks/liteos_m_adapter/hks_safe_compare_key_test.c
+++ b/security_lite/huks/liteos_m_adapter/hks_safe_compare_key_test.c
@@ -18,7 +18,7 @@
 #include "hks_safe_compare_key_test.h"
 
 #include <hctest.h>
-#include "iot_watchdog.h"
+
 #include "hks_api.h"
 #include "hks_param.h"
 #include "hks_test_api_performance.h"
@@ -62,7 +62,6 @@ static void ExecHksInitialize(void const *argument)
 static BOOL HksSafeCompareKeyTestSetUp()
 {
     LiteTestPrint("setup\n");
-    IoTWatchDogDisable();    
     osThreadId_t id;
     osThreadAttr_t attr;
     g_setPriority = osPriorityAboveNormal6;
@@ -86,7 +85,6 @@ static BOOL HksSafeCompareKeyTestSetUp()
 static BOOL HksSafeCompareKeyTestTearDown()
 {
     LiteTestPrint("tearDown\n");
-    IoTWatchDogEnable();
     return TRUE;
 }