diff --git a/source/client/src/clientSml.c b/source/client/src/clientSml.c
index 14d0534e18..546f5af154 100644
--- a/source/client/src/clientSml.c
+++ b/source/client/src/clientSml.c
@@ -1952,7 +1952,7 @@ void smlClearInfo(void *data) {
   NodeList *tmp = info->childTables;
   while (tmp) {
     if(tmp->data.used){
-      smlDestroySTableMeta((SSmlSTableMeta *)(tmp->data.value));
+      smlDestroyTableInfo((SSmlTableInfo *)(tmp->data.value));
       tmp->data.used = false;
     }
     tmp = tmp->next;
diff --git a/utils/test/c/sml_test.c b/utils/test/c/sml_test.c
index 47b7adbf18..f3bb64d328 100644
--- a/utils/test/c/sml_test.c
+++ b/utils/test/c/sml_test.c
@@ -1118,6 +1118,9 @@ int sml_ttl_Test() {
   const char *sql[] = {
       "meters,location=California.LosAngeles,groupid=2 current=11.8,voltage=221,phase=\"2022-02-0210:22:22\" 1626006833739000000",
   };
+  const char *sql1[] = {
+      "meters,location=California.LosAngeles,groupid=2 current=11.8,voltage=221,phase=\"2022-02-0210:22:22\" 1626006833339000000",
+  };
 
   pRes = taos_query(taos, "use sml_db");
   taos_free_result(pRes);
@@ -1127,6 +1130,11 @@ int sml_ttl_Test() {
   printf("%s result1:%s\n", __FUNCTION__, taos_errstr(pRes));
   taos_free_result(pRes);
 
+  pRes = taos_schemaless_insert_ttl(taos, (char **)sql1, sizeof(sql1) / sizeof(sql1[0]), TSDB_SML_LINE_PROTOCOL, TSDB_SML_TIMESTAMP_NANO_SECONDS, 20);
+
+  printf("%s result1:%s\n", __FUNCTION__, taos_errstr(pRes));
+  taos_free_result(pRes);
+
   pRes = taos_query(taos, "select `ttl` from information_schema.ins_tables where table_name='t_be97833a0e1f523fcdaeb6291d6fdf27'");
   printf("%s result2:%s\n", __FUNCTION__, taos_errstr(pRes));
   TAOS_ROW row = taos_fetch_row(pRes);