diff --git a/source/libs/executor/src/executil.c b/source/libs/executor/src/executil.c
index fc10551618cfbc05c823e208d23c562795c5eb68..1dabea0d6b94461cb5554311edd2b193ae5853c1 100644
--- a/source/libs/executor/src/executil.c
+++ b/source/libs/executor/src/executil.c
@@ -334,7 +334,13 @@ static EDealRes getColumn(SNode** pNode, void* pContext) {
     taosHashPut(pData->colHash, &pSColumnNode->colId, sizeof(pSColumnNode->colId), pNode, sizeof((*pNode)));
     pSColumnNode->slotId = pData->index++;
     SColumnInfo cInfo = {.colId = pSColumnNode->colId, .type = pSColumnNode->node.resType.type, .bytes = pSColumnNode->node.resType.bytes};
+#if TAG_FILTER_DEBUG
+    qDebug("tagfilter build column info, slotId:%d, colId:%d, type:%d", pSColumnNode->slotId, cInfo.colId, cInfo.type);
+#endif
     taosArrayPush(pData->cInfoList, &cInfo);
+  }else{
+    SColumnNode* col = *(SColumnNode**)data;
+    pSColumnNode->slotId = col->slotId;
   }
 
   return DEAL_RES_CONTINUE;
@@ -431,7 +437,9 @@ static SColumnInfoData* getColInfoResult(void* metaHandle, uint64_t suid, SArray
         char str[TSDB_TABLE_FNAME_LEN + VARSTR_HEADER_SIZE] = {0};
         metaGetTableNameByUid(metaHandle, *uid, str);
         colDataAppend(pColInfo, i, str, false);
+#if TAG_FILTER_DEBUG
         qDebug("tagfilter uid:%ld, tbname:%s", *uid, str+2);
+#endif
       }else{
         STagVal tagVal = {0};
         tagVal.cid = pColInfo->info.colId;
@@ -442,13 +450,23 @@ static SColumnInfoData* getColInfoResult(void* metaHandle, uint64_t suid, SArray
         } else if (pColInfo->info.type == TSDB_DATA_TYPE_JSON) {
           colDataAppend(pColInfo, i, p, false);
         } else if (IS_VAR_DATA_TYPE(pColInfo->info.type)) {
-          char *tmp = taosMemoryMalloc(tagVal.nData + VARSTR_HEADER_SIZE);
+          char *tmp = taosMemoryCalloc(tagVal.nData + VARSTR_HEADER_SIZE + 1, 1);
           varDataSetLen(tmp, tagVal.nData);
           memcpy(tmp + VARSTR_HEADER_SIZE, tagVal.pData, tagVal.nData);
           colDataAppend(pColInfo, i, tmp, false);
+#if TAG_FILTER_DEBUG
+          qDebug("tagfilter varch:%s", tmp+2);
+#endif
           taosMemoryFree(tmp);
         } else {
           colDataAppend(pColInfo, i, (const char*)&tagVal.i64, false);
+#if TAG_FILTER_DEBUG
+          if(pColInfo->info.type == TSDB_DATA_TYPE_INT){
+            qDebug("tagfilter int:%d", *(int*)(&tagVal.i64));
+          }else if(pColInfo->info.type == TSDB_DATA_TYPE_DOUBLE){
+            qDebug("tagfilter double:%f", *(double *)(&tagVal.i64));
+          }
+#endif
         }
       }
     }
diff --git a/source/libs/scalar/src/scalar.c b/source/libs/scalar/src/scalar.c
index d0c5a76f4b03e38851e5810b2143fa9b65cb782f..54376561de400b399dd7506d68dc8c00d22853ab 100644
--- a/source/libs/scalar/src/scalar.c
+++ b/source/libs/scalar/src/scalar.c
@@ -292,6 +292,9 @@ int32_t sclInitParam(SNode* node, SScalarParam *param, SScalarCtx *ctx, int32_t
       }
 
       SColumnInfoData *columnData = (SColumnInfoData *)taosArrayGet(block->pDataBlock, ref->slotId);
+#if TAG_FILTER_DEBUG
+      qDebug("tagfilter column info, slotId:%d, colId:%d, type:%d", ref->slotId, columnData->info.colId, columnData->info.type);
+#endif
       param->numOfRows = block->info.rows;
       param->columnData = columnData;
       break;
diff --git a/source/libs/scalar/src/sclvector.c b/source/libs/scalar/src/sclvector.c
index 55699d5abda5b8c6f1df764a4070f65993027e4c..aaa70ef5ae5f8ab00ce88b56433885cd00004893 100644
--- a/source/libs/scalar/src/sclvector.c
+++ b/source/libs/scalar/src/sclvector.c
@@ -1672,8 +1672,8 @@ void vectorBitOr(SScalarParam* pLeft, SScalarParam* pRight, SScalarParam *pOut,
       colDataAppendInt8(pOut->columnData, i, (int8_t*)&result);\
     }else{\
       bool  res = filterDoCompare(fp, optr, pLeftData, pRightData);\
-      colDataAppendInt8(pOut->columnData, i, (int8_t*)&res);                                      \
-    }                                          \
+      colDataAppendInt8(pOut->columnData, i, (int8_t*)&res);\
+    }\
     if(freeLeft) taosMemoryFreeClear(pLeftData);\
     if(freeRight) taosMemoryFreeClear(pRightData);\
   }