diff --git a/frameworks/datatransmitmgr/dev_slinfo_adpt.c b/frameworks/datatransmitmgr/dev_slinfo_adpt.c
index a7b4182f404c82c670a5774e4fe472482e2eb093..61f7166dd991f5288a8a16ff0247b875e7aba6ea 100644
--- a/frameworks/datatransmitmgr/dev_slinfo_adpt.c
+++ b/frameworks/datatransmitmgr/dev_slinfo_adpt.c
@@ -103,9 +103,9 @@ static int32_t InitDeviceSecEnv(void)
 
 int32_t StartDevslEnv(void)
 {
-    DATA_SEC_LOG_INFO("Enter InitDeviceSecEnv...");
+    DATA_SEC_LOG_DEBUG("Enter InitDeviceSecEnv...");
     int32_t ret = InitDeviceSecEnv();
-    DATA_SEC_LOG_INFO("InitDeviceSecEnv done!");
+    DATA_SEC_LOG_DEBUG("InitDeviceSecEnv done!");
     if (ret != DEVSL_SUCCESS) {
         return DEVSL_ERR_DEVICE_SEC_SDK_INIT;
     }
@@ -133,7 +133,7 @@ void FinishDevslEnv(void)
 
 int32_t GetDeviceSecLevelByUdid(const uint8_t *udid, uint32_t udidLen, int32_t *devLevel)
 {
-    DATA_SEC_LOG_INFO("Enter GetDeviceSecLevelByUdid...");
+    DATA_SEC_LOG_DEBUG("Enter GetDeviceSecLevelByUdid...");
     if (g_deviceSecEnv.requestDeviceSecurityInfo == NULL) {
         DATA_SEC_LOG_ERROR("GetDeviceSecLevelByUdid: requestDeviceSecurityInfo is invalid");
         return DEVSL_ERROR;
@@ -177,21 +177,21 @@ int32_t GetDeviceSecLevelByUdid(const uint8_t *udid, uint32_t udidLen, int32_t *
     }
 
     g_deviceSecEnv.freeDeviceSecurityInfo(info);
-    DATA_SEC_LOG_INFO("GetDeviceSecLevelByUdid done!");
+    DATA_SEC_LOG_DEBUG("GetDeviceSecLevelByUdid done!");
     return DEVSL_SUCCESS;
 }
 
 void OnApiDeviceSecInfoCallback(const DeviceIdentify *identify, struct DeviceSecurityInfo *info)
 {
-    DATA_SEC_LOG_INFO("Enter OnApiDeviceSecInfoCallback...");
+    DATA_SEC_LOG_DEBUG("Enter OnApiDeviceSecInfoCallback...");
     if (identify == NULL) {
-        DATA_SEC_LOG_INFO("OnApiDeviceSecInfoCallback: DeviceIdentify is null");
+        DATA_SEC_LOG_ERROR("OnApiDeviceSecInfoCallback: DeviceIdentify is null");
         return;
     }
     int32_t ret = DEVSL_SUCCESS;
 
     if (info == NULL) {
-        DATA_SEC_LOG_INFO("OnApiDeviceSecInfoCallback: DeviceSecurityInfo is null");
+        DATA_SEC_LOG_ERROR("OnApiDeviceSecInfoCallback: DeviceSecurityInfo is null");
         ret = DEVSL_ERROR;
     }
     if (g_deviceSecEnv.getDeviceSecurityLevelValue == NULL) {
@@ -229,12 +229,12 @@ void OnApiDeviceSecInfoCallback(const DeviceIdentify *identify, struct DeviceSec
     if (g_callbackList != NULL) {
         LookupCallback(g_callbackList, &queryParams, ret, levelInfo);
     }
-    DATA_SEC_LOG_INFO("OnApiDeviceSecInfoCallback done!");
+    DATA_SEC_LOG_DEBUG("OnApiDeviceSecInfoCallback done!");
 }
 
 int32_t GetDeviceSecLevelByUdidAsync(const uint8_t *udid, uint32_t udidLen)
 {
-    DATA_SEC_LOG_INFO("Enter GetDeviceSecLevelByUdidAsync...");
+    DATA_SEC_LOG_DEBUG("Enter GetDeviceSecLevelByUdidAsync...");
     if (g_deviceSecEnv.requestDeviceSecurityInfoAsync == NULL) {
         DATA_SEC_LOG_ERROR("GetDeviceSecLevelByUdidAsync: requestDeviceSecurityInfoAsync is invalid");
         return DEVSL_ERROR;
@@ -256,13 +256,13 @@ int32_t GetDeviceSecLevelByUdidAsync(const uint8_t *udid, uint32_t udidLen)
         return ret;
     }
 
-    DATA_SEC_LOG_INFO("GetDeviceSecLevelByUdidAsync done!");
+    DATA_SEC_LOG_DEBUG("GetDeviceSecLevelByUdidAsync done!");
     return ret;
 }
 
 int32_t CompareUdid(DEVSLQueryParams *queryParamsL, DEVSLQueryParams *queryParamsR)
 {
-    DATA_SEC_LOG_INFO("Enter CompareUdid...");
+    DATA_SEC_LOG_DEBUG("Enter CompareUdid...");
     uint32_t i;
 
     if (queryParamsL->udidLen != queryParamsR->udidLen) {
@@ -273,7 +273,7 @@ int32_t CompareUdid(DEVSLQueryParams *queryParamsL, DEVSLQueryParams *queryParam
             return DEVSL_ERROR;
         }
     }
-    DATA_SEC_LOG_INFO("CompareUdid done!");
+    DATA_SEC_LOG_DEBUG("CompareUdid done!");
     return DEVSL_SUCCESS;
 }
 
@@ -306,7 +306,7 @@ uint32_t GetDataSecLevelByDevSecLevel(int32_t devLevel)
 
 int32_t UpdateCallbackListParams(DEVSLQueryParams *queryParams, HigestSecInfoCallback *callback)
 {
-    DATA_SEC_LOG_INFO("Enter UpdateCallbackListParams...");
+    DATA_SEC_LOG_DEBUG("Enter UpdateCallbackListParams...");
     int32_t ret;
     int32_t result = DEVSL_ERR_REQUEST_DEVICE_EXCEED_LIMIT;
     uint32_t levelInfo = DEFAULT_DEV_SEC_LEVEL;
@@ -333,6 +333,6 @@ int32_t UpdateCallbackListParams(DEVSLQueryParams *queryParams, HigestSecInfoCal
     }
 
     ret = PushListNode(g_callbackList, newListNode);
-    DATA_SEC_LOG_INFO("UpdateCallbackListParams done!");
+    DATA_SEC_LOG_DEBUG("UpdateCallbackListParams done!");
     return ret;
 }
\ No newline at end of file
diff --git a/frameworks/datatransmitmgr/dev_slinfo_mgr.c b/frameworks/datatransmitmgr/dev_slinfo_mgr.c
index 5861c2f1945806222692644473b9bb175d8a9529..33a18d7e3cb33da6b1fb2e63bb820cdc626dc88a 100644
--- a/frameworks/datatransmitmgr/dev_slinfo_mgr.c
+++ b/frameworks/datatransmitmgr/dev_slinfo_mgr.c
@@ -47,42 +47,42 @@ DATASL_API int32_t DATASL_OnStart(void)
 {
     int32_t ret;
 
-    DATA_SEC_LOG_INFO("Enter DATASL_Onstart...");
+    DATA_SEC_LOG_DEBUG("Enter DATASL_Onstart...");
     ret = StartDevslEnv();
     if (ret != DEVSL_SUCCESS) {
         DATA_SEC_LOG_ERROR("DATASL_Onstart: StartDevslEnv - failed, error code is %d", ret);
         FinishDevslEnv();
         return DEVSL_ERROR;
     }
-    DATA_SEC_LOG_INFO("DATASL_Onstart done!");
+    DATA_SEC_LOG_DEBUG("DATASL_Onstart done!");
     return DEVSL_SUCCESS;
 }
 
 DATASL_API void DATASL_OnStop(void)
 {
-    DATA_SEC_LOG_INFO("Enter DATASL_OnStop...");
+    DATA_SEC_LOG_DEBUG("Enter DATASL_OnStop...");
     FinishDevslEnv();
-    DATA_SEC_LOG_INFO("DATASL_OnStop done!");
+    DATA_SEC_LOG_DEBUG("DATASL_OnStop done!");
     return;
 }
 
 DATASL_API int32_t DATASL_GetHighestSecLevel(DEVSLQueryParams *queryParams, uint32_t *levelInfo)
 {
     int32_t ret;
-    DATA_SEC_LOG_INFO("Enter DATASL_GetHighestSecLevel...");
+    DATA_SEC_LOG_DEBUG("Enter DATASL_GetHighestSecLevel...");
     if ((queryParams == NULL) || (levelInfo == NULL)) {
         return DEVSL_ERR_BAD_PARAMETERS;
     }
 
     ret = GetHighestSecLevelByUdid(queryParams, levelInfo);
 
-    DATA_SEC_LOG_INFO("DATASL_GetHighestSecLevel done!");
+    DATA_SEC_LOG_DEBUG("DATASL_GetHighestSecLevel done!");
     return ret;
 }
 
 static int32_t GetHighestSecLevelByUdidAsync(DEVSLQueryParams *queryParams)
 {
-    DATA_SEC_LOG_INFO("Enter GetHighestSecLevelByUdidAsync...");
+    DATA_SEC_LOG_DEBUG("Enter GetHighestSecLevelByUdidAsync...");
     int32_t ret;
 
     ret = GetDeviceSecLevelByUdidAsync(queryParams->udid, queryParams->udidLen);
@@ -91,13 +91,13 @@ static int32_t GetHighestSecLevelByUdidAsync(DEVSLQueryParams *queryParams)
         return ret;
     }
 
-    DATA_SEC_LOG_INFO("GetHighestSecLevelByUdidAsync done!");
+    DATA_SEC_LOG_DEBUG("GetHighestSecLevelByUdidAsync done!");
     return ret;
 }
 
 DATASL_API int32_t DATASL_GetHighestSecLevelAsync(DEVSLQueryParams *queryParams, HigestSecInfoCallback *callback)
 {
-    DATA_SEC_LOG_INFO("Enter DATASL_GetHighestSecLevelAsync...");
+    DATA_SEC_LOG_DEBUG("Enter DATASL_GetHighestSecLevelAsync...");
     int32_t ret;
 
     if ((queryParams == NULL) || (callback == NULL) || (queryParams->udidLen <= 0u) || (queryParams->udidLen > 64u)) {
@@ -111,7 +111,7 @@ DATASL_API int32_t DATASL_GetHighestSecLevelAsync(DEVSLQueryParams *queryParams,
     }
 
     ret = GetHighestSecLevelByUdidAsync(queryParams);
-    DATA_SEC_LOG_INFO("DATASL_GetHighestSecLevelAsync done!");
+    DATA_SEC_LOG_DEBUG("DATASL_GetHighestSecLevelAsync done!");
     return ret;
 }