diff --git a/src/client/src/tscSQLParser.c b/src/client/src/tscSQLParser.c
index d4ab9cc1c7afa942c08726cd2f6e50554d4d5008..8b2998c0e71c501ea0d13a08aa347662ca2e5ae4 100644
--- a/src/client/src/tscSQLParser.c
+++ b/src/client/src/tscSQLParser.c
@@ -6379,8 +6379,8 @@ int32_t doCheckForStream(SSqlObj* pSql, SSqlInfo* pInfo) {
     return invalidSqlErrMsg(tscGetErrorMsgPayload(pCmd), msg6);
   }
   
-  tVariantListItem* p1 = taosArrayGet(pFromInfo->tableList, 0);
-  SStrToken srcToken = {.z = p1->pVar.pz, .n = p1->pVar.nLen, .type = TK_STRING};
+  STableNamePair* p1 = taosArrayGet(pFromInfo->tableList, 0);
+  SStrToken srcToken = {.z = p1->name.z, .n = p1->name.n, .type = TK_STRING};
   if (tscValidateName(&srcToken) != TSDB_CODE_SUCCESS) {
     return invalidSqlErrMsg(tscGetErrorMsgPayload(pCmd), msg1);
   }
diff --git a/tests/pytest/query/queryNormal.py b/tests/pytest/query/queryNormal.py
index 13393117d642ec1fbdf839d59429428ffee79a27..4e3f9dd3bdd6376ac1069c4e084944a577ce4a70 100644
--- a/tests/pytest/query/queryNormal.py
+++ b/tests/pytest/query/queryNormal.py
@@ -94,8 +94,9 @@ class TDTestCase:
         tdSql.query("select * from stb1 limit 2 offset 3")
         tdSql.checkRows(1)
 
-        # query ... alias for table ---- bug
-        tdSql.error("select t.ts from tb1 t")        
+        # query ... alias for table
+        tdSql.query("select t.ts from tb1 t")
+        tdSql.checkRows(2)
 
         # query ... tbname
         tdSql.query("select tbname from stb1")
diff --git a/tests/script/general/table/delete_writing.sim b/tests/script/general/table/delete_writing.sim
index b7350f26a70bc18023cfff6497ffddc2d5b8ced8..5351d13d80ad732b2a58953f72b3c62086b1090b 100644
--- a/tests/script/general/table/delete_writing.sim
+++ b/tests/script/general/table/delete_writing.sim
@@ -41,7 +41,7 @@ while $x < 15
 
 	sql create table db.tb (ts timestamp, i int)
 
-	sleep 2000
+	sleep 1000
 	
 	$x = $x + 1
 endw