diff --git a/source/dnode/vnode/src/tsdb/tsdbRead.c b/source/dnode/vnode/src/tsdb/tsdbRead.c
index ec3f3a2e2a4a044a1f43b566fc6b09e6b04a2dda..247bc5d0b2a9bb63923389512734e1ecb27bcbe6 100644
--- a/source/dnode/vnode/src/tsdb/tsdbRead.c
+++ b/source/dnode/vnode/src/tsdb/tsdbRead.c
@@ -810,7 +810,7 @@ static int32_t tsdbReaderCreate(SVnode* pVnode, SQueryTableDataCond* pCond, STsd
 
   if (pReader->suppInfo.colId[0] != PRIMARYKEY_TIMESTAMP_COL_ID) {
     tsdbError("the first column isn't primary timestamp, %d, %s", pReader->suppInfo.colId[0], pReader->idStr);
-    terrno = TSDB_CODE_INVALID_PARA;
+    code = TSDB_CODE_INVALID_PARA;
     goto _end;
   }
 
@@ -819,7 +819,7 @@ static int32_t tsdbReaderCreate(SVnode* pVnode, SQueryTableDataCond* pCond, STsd
   if (type != TSDB_DATA_TYPE_TIMESTAMP) {
     tsdbError("the first column isn't primary timestamp in result block, actual: %s, %s", tDataTypes[type].name,
               pReader->idStr);
-    terrno = TSDB_CODE_INVALID_PARA;
+    code = TSDB_CODE_INVALID_PARA;
     goto _end;
   }
 
@@ -4510,7 +4510,7 @@ int32_t tsdbReaderOpen(SVnode* pVnode, SQueryTableDataCond* pCond, void* pTableL
 
 _err:
   tsdbError("failed to create data reader, code:%s %s", tstrerror(code), idstr);
-  tsdbReaderClose(pReader);
+  tsdbReaderClose(*ppReader);
   *ppReader = NULL;  // reset the pointer value.
   return code;
 }
diff --git a/source/libs/planner/src/planOptimizer.c b/source/libs/planner/src/planOptimizer.c
index 284cda64ada418560a8e7bb7b7503756a14170dd..b6c7c3b35966938b4b07f91ac89b5f4975f58409 100644
--- a/source/libs/planner/src/planOptimizer.c
+++ b/source/libs/planner/src/planOptimizer.c
@@ -1292,6 +1292,16 @@ static int32_t smaIndexOptFindSmaFunc(SNode* pQueryFunc, SNodeList* pSmaFuncs) {
   return -1;
 }
 
+static SNode* smaIndexOptFindWStartFunc(SNodeList* pSmaFuncs) {
+  SNode* pSmaFunc = NULL;
+  FOREACH(pSmaFunc, pSmaFuncs) {
+    if (QUERY_NODE_FUNCTION == nodeType(pSmaFunc) && FUNCTION_TYPE_WSTART == ((SFunctionNode*)pSmaFunc)->funcType) {
+      return pSmaFunc;
+    }
+  }
+  return NULL;
+}
+
 static int32_t smaIndexOptCreateSmaCols(SNodeList* pFuncs, uint64_t tableId, SNodeList* pSmaFuncs,
                                         SNodeList** pOutput) {
   SNodeList* pCols = NULL;
@@ -1299,6 +1309,7 @@ static int32_t smaIndexOptCreateSmaCols(SNodeList* pFuncs, uint64_t tableId, SNo
   int32_t    code = TSDB_CODE_SUCCESS;
   int32_t    index = 0;
   int32_t    smaFuncIndex = -1;
+  bool       hasWStart = false;
   FOREACH(pFunc, pFuncs) {
     smaFuncIndex = smaIndexOptFindSmaFunc(pFunc, pSmaFuncs);
     if (smaFuncIndex < 0) {
@@ -1308,11 +1319,35 @@ static int32_t smaIndexOptCreateSmaCols(SNodeList* pFuncs, uint64_t tableId, SNo
       if (TSDB_CODE_SUCCESS != code) {
         break;
       }
+      if (!hasWStart) {
+        if (PRIMARYKEY_TIMESTAMP_COL_ID == ((SColumnNode*)pCols->pTail->pNode)->colId) {
+          hasWStart = true;
+        }
+      }
     }
     ++index;
   }
 
   if (TSDB_CODE_SUCCESS == code && smaFuncIndex >= 0) {
+    if (!hasWStart) {
+      SNode* pWsNode = smaIndexOptFindWStartFunc(pSmaFuncs);
+      if (!pWsNode) {
+        nodesDestroyList(pCols);
+        code = TSDB_CODE_APP_ERROR;
+        qError("create sma cols failed since %s(_wstart not exist)", tstrerror(code));
+        return code;
+      }
+      SExprNode exprNode;
+      exprNode.resType = ((SExprNode*)pWsNode)->resType;
+      sprintf(exprNode.aliasName, "#expr_%d", index + 1);
+      SNode* pkNode = smaIndexOptCreateSmaCol((SNode*)&exprNode, tableId, PRIMARYKEY_TIMESTAMP_COL_ID);
+      code = nodesListPushFront(pCols, pkNode);
+      if (TSDB_CODE_SUCCESS != code) {
+        nodesDestroyNode(pkNode);
+        nodesDestroyList(pCols);
+        return code;
+      }
+    }
     *pOutput = pCols;
   } else {
     nodesDestroyList(pCols);
diff --git a/tests/script/tsim/sma/tsmaCreateInsertQuery.sim b/tests/script/tsim/sma/tsmaCreateInsertQuery.sim
index 9b6fc96bc00fde8418bf1d29d4c8cd8fc7f02091..242231e40864462be62a0206ad3aba4de9205e4b 100644
--- a/tests/script/tsim/sma/tsmaCreateInsertQuery.sim
+++ b/tests/script/tsim/sma/tsmaCreateInsertQuery.sim
@@ -78,7 +78,7 @@ if $rows != 5 then
   return -1
 endi
 
-print =============== select * from stb from memory in designated vgroup
+print =============== select with _wstart from stb from memory in designated vgroup
 sql select _wstart, _wend, min(c1),max(c2),max(c1) from stb interval(5m,10s) sliding(5m);
 print $data00 $data01 $data02 $data03 $data04
 print $data10 $data11 $data12 $data13 $data14
@@ -102,6 +102,30 @@ if $data04 != 20 then
   return -1
 endi
 
+print =============== select without _wstart from stb from memory in designated vgroup
+sql select min(c1),max(c2),max(c1) from stb interval(5m,10s) sliding(5m);
+print $data00 $data01 $data02
+print $data10 $data11 $data12
+if $rows != 1 then
+  print rows $rows != 1
+  return -1
+endi
+
+if $data00 != -13 then
+  print data00 $data00 != -13
+  return -1
+endi
+
+if $data01 != 20.00000 then
+  print data01 $data01 != 20.00000
+  return -1
+endi
+
+if $data02 != 20 then
+  print data02 $data02 != 20
+  return -1
+endi
+
 print =============== select * from stb from memory in common vgroups
 sql select _wstart, _wend, min(c1),max(c2),max(c1),max(c3) from stb interval(5m,10s) sliding(5m);
 print $data00 $data01 $data02 $data03 $data04 $data05
@@ -148,7 +172,7 @@ if $rows != 5 then
   return -1
 endi
 
-print =============== select * from stb from memory in designated vgroup after reboot
+print =============== select with _wstart from stb from memory in designated vgroup after reboot
 sql select _wstart, _wend, min(c1),max(c2),max(c1) from stb interval(5m,10s) sliding(5m);
 print $data00 $data01 $data02 $data03 $data04
 print $data10 $data11 $data12 $data13 $data14
@@ -172,6 +196,30 @@ if $data04 != 20 then
   return -1
 endi
 
+print =============== select without _wstart from stb from memory in designated vgroup after reboot
+sql select min(c1),max(c2),max(c1) from stb interval(5m,10s) sliding(5m);
+print $data00 $data01 $data02
+print $data10 $data11 $data12
+if $rows != 1 then
+  print rows $rows != 1
+  return -1
+endi
+
+if $data00 != -13 then
+  print data00 $data00 != -13
+  return -1
+endi
+
+if $data01 != 20.00000 then
+  print data01 $data01 != 20.00000
+  return -1
+endi
+
+if $data02 != 20 then
+  print data02 $data02 != 20
+  return -1
+endi
+
 print =============== select * from stb from memory in common vgroups after reboot
 sql select _wstart, _wend, min(c1),max(c2),max(c1),max(c3) from stb interval(5m,10s) sliding(5m);
 print $data00 $data01 $data02 $data03 $data04 $data05
@@ -218,7 +266,7 @@ if $rows != 5 then
   return -1
 endi
 
-print =============== select * from stb from file in designated vgroup
+print =============== select with _wstart from stb from file in designated vgroup
 sql select _wstart, _wend, min(c1),max(c2),max(c1) from stb interval(5m,10s) sliding(5m);
 print $data00 $data01 $data02 $data03 $data04
 if $rows != 1 then
@@ -241,6 +289,29 @@ if $data04 != 20 then
   return -1
 endi
 
+print =============== select without _wstart from stb from file in designated vgroup
+sql select _wend, min(c1),max(c2),max(c1) from stb interval(5m,10s) sliding(5m);
+print $data00 $data01 $data02 $data03
+if $rows != 1 then
+  print rows $rows != 1
+  return -1
+endi
+
+if $data01 != -13 then
+  print data01 $data01 != -13
+  return -1
+endi
+
+if $data02 != 20.00000 then
+  print data02 $data02 != 20.00000
+  return -1
+endi
+
+if $data03 != 20 then
+  print data03 $data03 != 20
+  return -1
+endi
+
 print =============== select * from stb from file in common vgroups
 sql select _wstart, _wend, min(c1),max(c2),max(c1),max(c3) from stb interval(5m,10s) sliding(5m);
 print $data00 $data01 $data02 $data03 $data04 $data05