diff --git a/source/libs/parser/inc/parAst.h b/source/libs/parser/inc/parAst.h
index ef67c7536f7cd90de232185b5f8e661ebea53d00..20a2520a79b404590336dc5b6cbe7edc126c5670 100644
--- a/source/libs/parser/inc/parAst.h
+++ b/source/libs/parser/inc/parAst.h
@@ -196,7 +196,7 @@ SNode* createDropComponentNodeStmt(SAstCreateContext* pCxt, ENodeType type, cons
 SNode* createCreateTopicStmtUseQuery(SAstCreateContext* pCxt, bool ignoreExists, const SToken* pTopicName,
                                      SNode* pQuery);
 SNode* createCreateTopicStmtUseDb(SAstCreateContext* pCxt, bool ignoreExists, const SToken* pTopicName,
-                                  const SToken* pSubDbName, bool withMeta);
+                                  SToken* pSubDbName, bool withMeta);
 SNode* createCreateTopicStmtUseTable(SAstCreateContext* pCxt, bool ignoreExists, const SToken* pTopicName,
                                      SNode* pRealTable, bool withMeta);
 SNode* createDropTopicStmt(SAstCreateContext* pCxt, bool ignoreNotExists, const SToken* pTopicName);
diff --git a/source/libs/parser/src/parAstCreater.c b/source/libs/parser/src/parAstCreater.c
index 4077c27840297b42f76529fe13c2b36aa8898f74..17d8297cf04da1f7b360f784761634367c254f4c 100644
--- a/source/libs/parser/src/parAstCreater.c
+++ b/source/libs/parser/src/parAstCreater.c
@@ -1579,8 +1579,11 @@ SNode* createCreateTopicStmtUseQuery(SAstCreateContext* pCxt, bool ignoreExists,
 }
 
 SNode* createCreateTopicStmtUseDb(SAstCreateContext* pCxt, bool ignoreExists, const SToken* pTopicName,
-                                  const SToken* pSubDbName, bool withMeta) {
+                                  SToken* pSubDbName, bool withMeta) {
   CHECK_PARSER_STATUS(pCxt);
+  if (!checkDbName(pCxt, pSubDbName, true)) {
+    return NULL;
+  }
   SCreateTopicStmt* pStmt = (SCreateTopicStmt*)nodesMakeNode(QUERY_NODE_CREATE_TOPIC_STMT);
   CHECK_OUT_OF_MEM(pStmt);
   COPY_STRING_FORM_ID_TOKEN(pStmt->topicName, pTopicName);