diff --git a/frameworks/datatransmitmgr/dev_slinfo_adpt.c b/frameworks/datatransmitmgr/dev_slinfo_adpt.c
index 48ff9646c329f8665c250f68ae13b8f63808a7fd..b1775760d447faaf9a59079b658e77dd023d56d6 100644
--- a/frameworks/datatransmitmgr/dev_slinfo_adpt.c
+++ b/frameworks/datatransmitmgr/dev_slinfo_adpt.c
@@ -283,7 +283,7 @@ int32_t GetDataSecLevelByDevSecLevel(int32_t devLevel)
     } devTypeMap[] = {
         { DEV_SEC_LEVEL1, DATA_SEC_LEVEL1 },
         { DEV_SEC_LEVEL2, DATA_SEC_LEVEL2 },
-        { DEV_SEC_LEVEL3, DATA_SEC_LEVEL4 },
+        { DEV_SEC_LEVEL3, DATA_SEC_LEVEL3 },
         { DEV_SEC_LEVEL4, DATA_SEC_LEVEL4 },
         { DEV_SEC_LEVEL5, DATA_SEC_LEVEL4 },
     };
@@ -313,6 +313,7 @@ int32_t UpdateCallbackListParams(DEVSLQueryParams *queryParams, HigestSecInfoCal
     }
     if (memcpy_s(newListNode->queryParams.udid, MAX_UDID_LENGTH, queryParams->udid, queryParams->udidLen) != EOK) {
         DATA_SEC_LOG_ERROR("UpdateCallbackListParams, udid memcpy failed");
+        free(newListNode);
         return DEVSL_ERR_MEM_CPY;
     }
     newListNode->queryParams.udidLen = queryParams->udidLen;
diff --git a/frameworks/datatransmitmgr/dev_slinfo_list.c b/frameworks/datatransmitmgr/dev_slinfo_list.c
index 8d0e351bff23b355352796a410ae2e8f7064b775..5c2f627278b5f7121a235328da28b24d11fd11b0 100644
--- a/frameworks/datatransmitmgr/dev_slinfo_list.c
+++ b/frameworks/datatransmitmgr/dev_slinfo_list.c
@@ -136,8 +136,8 @@ void LookupCallback(struct DATASLListParams *list, DEVSLQueryParams *queryParams
     struct DATASLListParams *tmpCallback = list->next;
     while (tmpCallback != NULL && tmpCallback != list) {
         struct DATASLListParams *nextCallback = tmpCallback->next;
-        int32_t result = CompareUdid(&(tmpCallback->callbackParams->queryParams), queryParams);
-        if (result == SUCCESS) {
+        int32_t ret = CompareUdid(&(tmpCallback->callbackParams->queryParams), queryParams);
+        if (ret == SUCCESS) {
             tmpCallback->callbackParams->callback(&(tmpCallback->callbackParams->queryParams), result, levelInfo);
             tmpCallback->prev->next = tmpCallback->next;
             tmpCallback->next->prev = tmpCallback->prev;