diff --git a/source/client/src/clientSmlJson.c b/source/client/src/clientSmlJson.c
index 44749cec7e..60e29638f5 100644
--- a/source/client/src/clientSmlJson.c
+++ b/source/client/src/clientSmlJson.c
@@ -409,7 +409,7 @@ int smlJsonParseObj(char **start, SSmlLineInfo *element, int8_t *offset){
     (*start)++;
   }
 
-  if(unlikely(index != OTD_JSON_FIELDS_NUM)) {
+  if(unlikely(index != 0 && index != OTD_JSON_FIELDS_NUM)) {
     uError("elements != %d", OTD_JSON_FIELDS_NUM)
     return -1;
   }
diff --git a/source/client/src/clientSmlTelnet.c b/source/client/src/clientSmlTelnet.c
index a8cbcfe0fa..71d4e21400 100644
--- a/source/client/src/clientSmlTelnet.c
+++ b/source/client/src/clientSmlTelnet.c
@@ -23,8 +23,8 @@
 int32_t is_same_child_table_telnet(const void *a, const void *b){
   SSmlLineInfo *t1 = (SSmlLineInfo *)a;
   SSmlLineInfo *t2 = (SSmlLineInfo *)b;
-  uError("is_same_child_table_telnet len:%d,%d %s,%s @@@ len:%d,%d %s,%s", t1->measureLen, t2->measureLen,
-         t1->measure, t2->measure, t1->tagsLen, t2->tagsLen, t1->tags, t2->tags);
+//  uError("is_same_child_table_telnet len:%d,%d %s,%s @@@ len:%d,%d %s,%s", t1->measureLen, t2->measureLen,
+//         t1->measure, t2->measure, t1->tagsLen, t2->tagsLen, t1->tags, t2->tags);
   if(t1 == NULL || t2 == NULL || t1->measure == NULL || t2->measure == NULL
       || t1->tags == NULL || t2->tags == NULL)
     return 1;
diff --git a/tests/system-test/2-query/sml.py b/tests/system-test/2-query/sml.py
index 8ad1982b55..594817113c 100644
--- a/tests/system-test/2-query/sml.py
+++ b/tests/system-test/2-query/sml.py
@@ -71,18 +71,18 @@ class TDTestCase:
         tdSql.checkData(0, 2, "web01")
 
         tdSql.query(f"select distinct tbname from {dbname}.`sys.cpu.nice`")
-        tdSql.checkRows(2)
+        tdSql.checkRows(3)
 
         tdSql.query(f"select * from {dbname}.`sys.cpu.nice` order by _ts")
-        tdSql.checkRows(2)
-        tdSql.checkData(0, 1, 9.000000000)
-        tdSql.checkData(0, 2, "web02")
+        tdSql.checkRows(4)
+        tdSql.checkData(0, 1, 13.000000000)
+        tdSql.checkData(0, 2, "web01")
         tdSql.checkData(0, 3, None)
         tdSql.checkData(0, 4, "lga")
 
-        tdSql.checkData(1, 1, 18.000000000)
-        tdSql.checkData(1, 2, "web01")
-        tdSql.checkData(1, 3, "t1")
+        tdSql.checkData(1, 1, 9.000000000)
+        tdSql.checkData(1, 2, "web02")
+        tdSql.checkData(3, 3, "t1")
         tdSql.checkData(0, 4, "lga")
 
         tdSql.query(f"select * from {dbname}.macylr")
diff --git a/utils/test/c/sml_test.c b/utils/test/c/sml_test.c
index e77a3b1e3c..2c047f8b0f 100644
--- a/utils/test/c/sml_test.c
+++ b/utils/test/c/sml_test.c
@@ -114,7 +114,7 @@ int smlProcess_json1_Test() {
   taos_free_result(pRes);
 
   const char *sql[] = {
-      "[{\"metric\":\"sys.cpu.nice\",\"timestamp\":0,\"value\":18,\"tags\":{\"host\":\"web01\",\"id\":\"t1\",\"dc\":\"lga\"}},{\"metric\":\"sys.cpu.nice\",\"timestamp\":1662344042,\"value\":9,\"tags\":{\"host\":\"web02\",\"dc\":\"lga\"}}]"
+      "[{\"metric\":\"sys.cpu.nice\",\"timestamp\":0,\"value\":18,\"tags\":{\"host\":\"web01\",\"id\":\"t1\",\"dc\":\"lga\"}},{\"metric\":\"sys.cpu.nice\",\"timestamp\":1662344045,\"value\":9,\"tags\":{\"host\":\"web02\",\"dc\":\"lga\"}}]"
   };
 
   char *sql1[1] = {0};
@@ -132,6 +132,27 @@ int smlProcess_json1_Test() {
   for(int i = 0; i < 1; i++){
     taosMemoryFree(sql1[i]);
   }
+
+  const char *sql2[] = {
+      "[{\"metric\":\"sys.cpu.nice\",\"timestamp\":1662344041,\"value\":13,\"tags\":{\"host\":\"web01\",\"dc\":\"lga\"}},{\"metric\":\"sys.cpu.nice\",\"timestamp\":1662344042,\"value\":9,\"tags\":{\"host\":\"web02\",\"dc\":\"lga\"}}]",
+  };
+
+  char *sql3[1] = {0};
+  for(int i = 0; i < 1; i++){
+    sql3[i] = taosMemoryCalloc(1, 1024);
+    strncpy(sql3[i], sql2[i], 1023);
+  }
+
+  pRes = taos_schemaless_insert(taos, (char **)sql3, sizeof(sql3) / sizeof(sql3[0]), TSDB_SML_JSON_PROTOCOL,
+                                TSDB_SML_TIMESTAMP_NANO_SECONDS);
+  printf("%s result:%s\n", __FUNCTION__, taos_errstr(pRes));
+  code = taos_errno(pRes);
+  taos_free_result(pRes);
+
+  for(int i = 0; i < 1; i++){
+    taosMemoryFree(sql3[i]);
+  }
+
   taos_close(taos);
 
   return code;
@@ -178,7 +199,7 @@ int smlProcess_json3_Test() {
   taos_free_result(pRes);
 
   const char *sql[] = {
-      "[{\"metric\":\"sys.cpu.nice\",\"timestamp\":0,\"value\":\"18\",\"tags\":{\"host\":\"web01\",\"id\":\"t1\",\"dc\":\"lga\"}}]"
+      "[{\"metric\":\"sys.cpu.nice3\",\"timestamp\":0,\"value\":\"18\",\"tags\":{\"host\":\"web01\",\"id\":\"t1\",\"dc\":\"lga\"}}]"
   };
   char *sql1[1] = {0};
   for(int i = 0; i < 1; i++){
@@ -956,20 +977,20 @@ int main(int argc, char *argv[]) {
 //    printf("str:%s \t %d\n", str[i], smlCalTypeSum(str[i], strlen(str[i])));
 //  }
   int ret = 0;
-//  ret = sml_ttl_Test();
-//  ASSERT(!ret);
-//  ret = sml_ts2164_Test();
-//  ASSERT(!ret);
-//  ret = smlProcess_influx_Test();
-//  ASSERT(!ret);
-//  ret = smlProcess_telnet_Test();
-//  ASSERT(!ret);
+  ret = sml_ttl_Test();
+  ASSERT(!ret);
+  ret = sml_ts2164_Test();
+  ASSERT(!ret);
+  ret = smlProcess_influx_Test();
+  ASSERT(!ret);
+  ret = smlProcess_telnet_Test();
+  ASSERT(!ret);
   ret = smlProcess_json1_Test();
   ASSERT(!ret);
   ret = smlProcess_json2_Test();
-  ASSERT(ret);
+  ASSERT(!ret);
   ret = smlProcess_json3_Test();
-  ASSERT(ret);
+  ASSERT(!ret);
   ret = sml_TD15662_Test();
   ASSERT(!ret);
   ret = sml_TD15742_Test();