diff --git a/src/query/src/qSqlParser.c b/src/query/src/qSqlParser.c
index de80a29a8cd0a0e86e5baef1ce8f311f6355c200..e465284244fb9a61df3762fd1d2c673ebd87c337 100644
--- a/src/query/src/qSqlParser.c
+++ b/src/query/src/qSqlParser.c
@@ -744,6 +744,10 @@ void tSetColumnType(TAOS_FIELD *pField, SStrToken *type) {
 
       pField->bytes = (int16_t)bytes;
     }
+  } else {
+    if (type->type > 0) {
+      pField->type = -1;
+    }
   }
 }
 
diff --git a/tests/pytest/table/create.py b/tests/pytest/table/create.py
index 54e821246c79b429542316c2f2d3c232a798c03b..51277f28e05a6b9c2a9ce0b7375e6f3b9dd98b76 100644
--- a/tests/pytest/table/create.py
+++ b/tests/pytest/table/create.py
@@ -28,6 +28,8 @@ class TDTestCase:
 
         print("==============step1")
         print("prepare data")
+        tdSql.error("create table db.st1 (ts timestamp(8), i int) tags(j int)")
+        tdSql.error("create table db.st2 (ts timestamp, i int(2)) tags(j int)")
         tdSql.execute("create table db.st (ts timestamp, i int) tags(j int)")
         tdSql.execute("create table db.tb using st tags(1)")
         tdSql.execute("insert into db.tb values(now, 1)")
diff --git a/tests/pytest/tag_lite/alter_tag.py b/tests/pytest/tag_lite/alter_tag.py
index 9e5abb6c134840ecb4ab52c7d3a6ab623885e12b..c4d738e4cf0d9bd63f7813e9d267080f9f045fac 100644
--- a/tests/pytest/tag_lite/alter_tag.py
+++ b/tests/pytest/tag_lite/alter_tag.py
@@ -30,7 +30,7 @@ class TDTestCase:
 
         print("==============step1")
         tdSql.execute(
-            "CREATE TABLE IF NOT EXISTS ampere (ts TIMESTAMP(8),ampere DOUBLE(8)) TAGS (device_name BINARY(50),build_id BINARY(50),project_id BINARY(50),alias BINARY(50))")
+            "CREATE TABLE IF NOT EXISTS ampere (ts TIMESTAMP,ampere DOUBLE) TAGS (device_name BINARY(50),build_id BINARY(50),project_id BINARY(50),alias BINARY(50))")
         tdSql.execute("insert into d1001 using ampere tags('test', '2', '2', '2') VALUES (now, 123)")
         tdSql.execute("ALTER TABLE ampere ADD TAG variable_id BINARY(50)")