diff --git a/source/client/test/clientTests.cpp b/source/client/test/clientTests.cpp
index 013cf794e3b79fb624065ee1de676fa846cd7302..f2c79bfd5a24a7d2209ad8fe1ff9543266932105 100644
--- a/source/client/test/clientTests.cpp
+++ b/source/client/test/clientTests.cpp
@@ -462,3 +462,31 @@ TEST(testCase, show_table_Test) {
   taos_free_result(pRes);
   taos_close(pConn);
 }
+
+TEST(testCase, create_multiple_tables) {
+  TAOS* pConn = taos_connect("localhost", "root", "taosdata", NULL, 0);
+  assert(pConn != NULL);
+
+  TAOS_RES* pRes = taos_query(pConn, "use abc1");
+  taos_free_result(pRes);
+
+  pRes = taos_query(pConn, "create table t_2 using st1 tags(1) t_3 using st2 tags(2)");
+  if (taos_errno(pRes) != 0) {
+    printf("failed to show vgroups, reason:%s\n", taos_errstr(pRes));
+    taos_free_result(pRes);
+    ASSERT_TRUE(false);
+  }
+
+  TAOS_ROW pRow = NULL;
+  TAOS_FIELD* pFields = taos_fetch_fields(pRes);
+  int32_t numOfFields = taos_num_fields(pRes);
+
+  char str[512] = {0};
+  while((pRow = taos_fetch_row(pRes)) != NULL) {
+    int32_t code = taos_print_row(str, pRow, pFields, numOfFields);
+    printf("%s\n", str);
+  }
+
+  taos_free_result(pRes);
+  taos_close(pConn);
+}
diff --git a/source/libs/parser/inc/astGenerator.h b/source/libs/parser/inc/astGenerator.h
index 0febc5ea33171d96916d5c155b3762bafe1f3fe0..22806969afd43c8bcca47db0121d34bc67f53994 100644
--- a/source/libs/parser/inc/astGenerator.h
+++ b/source/libs/parser/inc/astGenerator.h
@@ -125,7 +125,6 @@ typedef struct SCreatedTableInfo {
   SArray            *pTagNames;   // create by using super table, tag name
   SArray            *pTagVals;    // create by using super table, tag value
   char              *fullname;    // table full name
-  STagData           tagdata;     // true tag data, super table full name is in STagData
   int8_t             igExist;     // ignore if exists
 } SCreatedTableInfo;
 
diff --git a/source/libs/parser/inc/sql.y b/source/libs/parser/inc/sql.y
index bf59a0f80a873f96779c638cbbacd4d1d5a0f9d0..789f5a98e2d504845b899b55728af62da97c6d8f 100644
--- a/source/libs/parser/inc/sql.y
+++ b/source/libs/parser/inc/sql.y
@@ -188,7 +188,7 @@ cmd ::= COMPACT VNODES IN LP exprlist(Y) RP.    { setCompactVnodeSql(pInfo, TSDB
 // And "ids" is an identifer-or-string.
 %type ids {SToken}
 ids(A) ::= ID(X).        {A = X; }
-ids(A) ::= STRING(X).    {A = X; }
+//ids(A) ::= STRING(X).    {A = X; }
 
 %type ifexists {SToken}
 ifexists(X) ::= IF EXISTS.          { X.n = 1;}
diff --git a/source/libs/parser/src/astGenerator.c b/source/libs/parser/src/astGenerator.c
index 3d12f0f3b7ae8e18239ef3c0a7962c3ffacd1166..9122b0df969c5d7cdd0add49249e6e4baf26c658 100644
--- a/source/libs/parser/src/astGenerator.c
+++ b/source/libs/parser/src/astGenerator.c
@@ -692,7 +692,6 @@ void freeCreateTableInfo(void* p) {
   taosArrayDestroy(pInfo->pTagNames);
   taosArrayDestroyEx(pInfo->pTagVals, freeItem);
   tfree(pInfo->fullname);
-  tfree(pInfo->tagdata.data);
 }
 
 SSqlInfo* setSqlInfo(SSqlInfo *pInfo, void *pSqlExprInfo, SToken *pTableName, int32_t type) {
diff --git a/source/libs/parser/src/dCDAstProcess.c b/source/libs/parser/src/dCDAstProcess.c
index 6aa4ad827504ebb5bfedd0a55a81cfa05d4c731a..fd99cb6f669ab944b5bd042cf293fb14ed5c5165 100644
--- a/source/libs/parser/src/dCDAstProcess.c
+++ b/source/libs/parser/src/dCDAstProcess.c
@@ -363,7 +363,6 @@ int32_t doCheckForCreateCTable(SSqlInfo* pInfo, SParseBasicCtx* pCtx, SMsgBuf* p
     // too long tag values will return invalid sql, not be truncated automatically
     SSchema*      pTagSchema = getTableTagSchema(pSuperTableMeta);
     STableComInfo tinfo = getTableInfo(pSuperTableMeta);
-    STagData*     pTag = &pCreateTableInfo->tagdata;
 
     SKVRowBuilder kvRowBuilder = {0};
     if (tdInitKVRowBuilder(&kvRowBuilder) < 0) {
@@ -463,22 +462,6 @@ int32_t doCheckForCreateCTable(SSqlInfo* pInfo, SParseBasicCtx* pCtx, SMsgBuf* p
         SSchema* pSchema = &pTagSchema[i];
         SToken*  pItem = taosArrayGet(pValList, i);
 
-        if (pSchema->type == TSDB_DATA_TYPE_BINARY || pSchema->type == TSDB_DATA_TYPE_NCHAR) {
-          if (pItem->n > pSchema->bytes) {
-            tdDestroyKVRowBuilder(&kvRowBuilder);
-            return buildInvalidOperationMsg(pMsgBuf, msg3);
-          }
-        } else if (pSchema->type == TSDB_DATA_TYPE_TIMESTAMP) {
-          //          if (pItem->pVar.nType == TSDB_DATA_TYPE_BINARY) {
-          ////            code = convertTimestampStrToInt64(&(pItem->pVar), tinfo.precision);
-          //            if (code != TSDB_CODE_SUCCESS) {
-          //              return buildInvalidOperationMsg(pMsgBuf, msg4);
-          //            }
-          //          } else if (pItem->pVar.nType == TSDB_DATA_TYPE_TIMESTAMP) {
-          //            pItem->pVar.i = convertTimePrecision(pItem->pVar.i, TSDB_TIME_PRECISION_NANO, tinfo.precision);
-          //          }
-        }
-
         char     tmpTokenBuf[TSDB_MAX_TAGS_LEN] = {0};
         SKvParam param = {.builder = &kvRowBuilder, .schema = pSchema};
 
diff --git a/source/libs/parser/src/parserUtil.c b/source/libs/parser/src/parserUtil.c
index 6c7ecbe0ed8094f89a2fdf0451d758f5203a8b7b..22545255a36f60b83cce7de36dff3fcea61aabbc 100644
--- a/source/libs/parser/src/parserUtil.c
+++ b/source/libs/parser/src/parserUtil.c
@@ -571,7 +571,9 @@ void setColumn(SColumn* pColumn, uint64_t uid, const char* tableName, int8_t fla
   pColumn->info.type  = pSchema->type;
 
   if (tableName != NULL) {
-    snprintf(pColumn->name, tListLen(pColumn->name), "%s.%s", tableName, pSchema->name);
+    char n[TSDB_COL_NAME_LEN + 1 + TSDB_TABLE_NAME_LEN] = {0};
+    snprintf(n, tListLen(n), "%s.%s", tableName, pSchema->name);
+    tstrncpy(pColumn->name, n, tListLen(pColumn->name));
   } else {
     tstrncpy(pColumn->name, pSchema->name, tListLen(pColumn->name));
   }
@@ -586,7 +588,10 @@ SColumn createColumn(uint64_t uid, const char* tableName, int8_t flag, const SSc
   c.info.type = pSchema->type;
 
   if (tableName != NULL) {
-    snprintf(c.name, tListLen(c.name), "%s.%s", tableName, pSchema->name);
+    char n[TSDB_COL_NAME_LEN + 1 + TSDB_TABLE_NAME_LEN] = {0};
+    snprintf(n, tListLen(n), "%s.%s", tableName, pSchema->name);
+
+    tstrncpy(c.name, n, tListLen(c.name));
   } else {
     tstrncpy(c.name, pSchema->name, tListLen(c.name));
   }