diff --git a/include/libs/parser/parser.h b/include/libs/parser/parser.h
index 860c77de15..2254298e5c 100644
--- a/include/libs/parser/parser.h
+++ b/include/libs/parser/parser.h
@@ -60,6 +60,8 @@ int32_t qParseQuerySql(SParseContext* pCxt, SQuery** pQuery);
 
 void qDestroyQuery(SQuery* pQueryNode);
 
+int32_t qExtractResultSchema(const SNode* pRoot, int32_t* numOfCols, SSchema** pSchema);
+
 #ifdef __cplusplus
 }
 #endif
diff --git a/source/client/test/clientTests.cpp b/source/client/test/clientTests.cpp
index 87a3e651fe..629dd90da3 100644
--- a/source/client/test/clientTests.cpp
+++ b/source/client/test/clientTests.cpp
@@ -661,7 +661,7 @@ TEST(testCase, agg_query_tables) {
   TAOS_RES* pRes = taos_query(pConn, "use abc1");
   taos_free_result(pRes);
 
-  pRes = taos_query(pConn, "select k from tm0");
+  pRes = taos_query(pConn, "select count(*) from tu");
   if (taos_errno(pRes) != 0) {
     printf("failed to select from table, reason:%s\n", taos_errstr(pRes));
     taos_free_result(pRes);
diff --git a/source/common/src/ttime.c b/source/common/src/ttime.c
index da1adf0c59..510a2809e7 100644
--- a/source/common/src/ttime.c
+++ b/source/common/src/ttime.c
@@ -562,8 +562,7 @@ int64_t taosTimeTruncate(int64_t t, const SInterval* pInterval, int32_t precisio
 
     // not enough time range
     if (start < 0 || INT64_MAX - start > pInterval->interval - 1) {
-      end = start + pInterval->interval - 1;
-
+      end = taosTimeAdd(start, pInterval->interval, pInterval->intervalUnit, precision) - 1;
       while (end < t && ((start + pInterval->sliding) <= INT64_MAX)) {  // move forward to the correct time window
         start += pInterval->sliding;
 
@@ -587,7 +586,7 @@ int64_t taosTimeTruncate(int64_t t, const SInterval* pInterval, int32_t precisio
       start = taosTimeAdd(start, -pInterval->interval, pInterval->intervalUnit, precision);
     } else {
       // try to move current window to the left-hande-side, due to the offset effect.
-      int64_t end = start + pInterval->interval - 1;
+      int64_t end = taosTimeAdd(start, pInterval->interval, pInterval->intervalUnit, precision) - 1;
       ASSERT(end >= t);
       end = taosTimeAdd(end, -pInterval->sliding, pInterval->slidingUnit, precision);
       if (end >= t) {
diff --git a/source/dnode/mnode/impl/CMakeLists.txt b/source/dnode/mnode/impl/CMakeLists.txt
index 514bba19f4..dd2caf1f7f 100644
--- a/source/dnode/mnode/impl/CMakeLists.txt
+++ b/source/dnode/mnode/impl/CMakeLists.txt
@@ -6,7 +6,7 @@ target_include_directories(
     PRIVATE "${CMAKE_CURRENT_SOURCE_DIR}/inc"
 )
 target_link_libraries(
-    mnode scheduler sdb wal transport cjson sync monitor
+    mnode scheduler sdb wal transport cjson sync monitor parser
 )
 
 if(${BUILD_TEST})
diff --git a/source/dnode/mnode/impl/src/mndStream.c b/source/dnode/mnode/impl/src/mndStream.c
index be03539b4d..e3d77ced0d 100644
--- a/source/dnode/mnode/impl/src/mndStream.c
+++ b/source/dnode/mnode/impl/src/mndStream.c
@@ -14,6 +14,7 @@
  */
 
 #include "mndStream.h"
+#include "parser.h"
 #include "mndAuth.h"
 #include "mndDb.h"
 #include "mndDnode.h"
@@ -218,28 +219,6 @@ static int32_t mndCheckCreateStreamReq(SCMCreateStreamReq *pCreate) {
   return 0;
 }
 
-static SArray *mndExtractNamesFromAst(const SNode *pAst) {
-  if (pAst->type != QUERY_NODE_SELECT_STMT) return NULL;
-
-  SArray *names = taosArrayInit(0, sizeof(void *));
-  if (names == NULL) {
-    return NULL;
-  }
-  SSelectStmt *pSelect = (SSelectStmt *)pAst;
-  SNodeList   *pNodes = pSelect->pProjectionList;
-  SListCell   *pCell = pNodes->pHead;
-  while (pCell != NULL) {
-    if (pCell->pNode->type != QUERY_NODE_FUNCTION) {
-      continue;
-    }
-    SFunctionNode *pFunction = (SFunctionNode *)pCell->pNode;
-    char          *name = strdup(pFunction->node.aliasName);
-    taosArrayPush(names, &name);
-    pCell = pCell->pNext;
-  }
-  return names;
-}
-
 static int32_t mndStreamGetPlanString(const char *ast, char **pStr) {
   if (NULL == ast) {
     return TSDB_CODE_SUCCESS;
@@ -276,14 +255,16 @@ int32_t mndAddStreamToTrans(SMnode *pMnode, SStreamObj *pStream, const char *ast
     return -1;
   }
 #if 1
-  SArray *names = mndExtractNamesFromAst(pAst);
+  SSchemaWrapper sw = {0};
+  qExtractResultSchema(pAst, (int32_t*)&sw.nCols, &sw.pSchema);
+
   printf("|");
-  for (int i = 0; i < taosArrayGetSize(names); i++) {
-    printf(" %15s |", (char *)taosArrayGetP(names, i));
+  for (int i = 0; i < sw.nCols; i++) {
+    printf(" %15s |", (char *)sw.pSchema[i].name);
   }
   printf("\n=======================================================\n");
 
-  pStream->ColAlias = names;
+  pStream->ColAlias = NULL;
 #endif
 
   if (TSDB_CODE_SUCCESS != mndStreamGetPlanString(ast, &pStream->physicalPlan)) {
diff --git a/source/libs/executor/inc/executorimpl.h b/source/libs/executor/inc/executorimpl.h
index 2d7e2eedc6..c582873315 100644
--- a/source/libs/executor/inc/executorimpl.h
+++ b/source/libs/executor/inc/executorimpl.h
@@ -665,6 +665,9 @@ SOperatorInfo* createGroupOperatorInfo(SOperatorInfo* downstream, SExprInfo* pEx
                                        SArray* pGroupColList, SExecTaskInfo* pTaskInfo, const STableGroupInfo* pTableGroupInfo);
 SOperatorInfo* createFillOperatorInfo(SOperatorInfo* downstream, SExprInfo* pExpr, int32_t numOfCols, SInterval* pInterval, SSDataBlock* pResBlock,
                                       int32_t fillType, char* fillVal, bool multigroupResult, SExecTaskInfo* pTaskInfo);
+SOperatorInfo* createDistinctOperatorInfo(STaskRuntimeEnv* pRuntimeEnv, SOperatorInfo* downstream, SExprInfo* pExpr,
+                                          int32_t numOfOutput);
+SOperatorInfo* createTableBlockInfoScanOperator(void* pTsdbReadHandle, STaskRuntimeEnv* pRuntimeEnv);
 
 SOperatorInfo* createTableSeqScanOperatorInfo(void* pTsdbReadHandle, STaskRuntimeEnv* pRuntimeEnv);
 SOperatorInfo* createAllTimeIntervalOperatorInfo(STaskRuntimeEnv* pRuntimeEnv, SOperatorInfo* downstream,
@@ -675,9 +678,7 @@ SOperatorInfo* createMultiTableTimeIntervalOperatorInfo(STaskRuntimeEnv* pRuntim
 SOperatorInfo* createAllMultiTableTimeIntervalOperatorInfo(STaskRuntimeEnv* pRuntimeEnv, SOperatorInfo* downstream,
                                                            SExprInfo* pExpr, int32_t numOfOutput);
 SOperatorInfo* createTagScanOperatorInfo(STaskRuntimeEnv* pRuntimeEnv, SExprInfo* pExpr, int32_t numOfOutput);
-SOperatorInfo* createDistinctOperatorInfo(STaskRuntimeEnv* pRuntimeEnv, SOperatorInfo* downstream, SExprInfo* pExpr,
-                                          int32_t numOfOutput);
-SOperatorInfo* createTableBlockInfoScanOperator(void* pTsdbReadHandle, STaskRuntimeEnv* pRuntimeEnv);
+
 SOperatorInfo* createMultiwaySortOperatorInfo(STaskRuntimeEnv* pRuntimeEnv, SExprInfo* pExpr, int32_t numOfOutput,
                                               int32_t numOfRows, void* merger);
 SOperatorInfo* createGlobalAggregateOperatorInfo(STaskRuntimeEnv* pRuntimeEnv, SOperatorInfo* downstream,
diff --git a/source/libs/executor/src/executorimpl.c b/source/libs/executor/src/executorimpl.c
index 2db9406418..fdf216c7eb 100644
--- a/source/libs/executor/src/executorimpl.c
+++ b/source/libs/executor/src/executorimpl.c
@@ -674,12 +674,7 @@ static void getInitialStartTimeWindow(SInterval* pInterval, int32_t precision, T
 
     int64_t key = w->skey;
     while(key < ts) { // moving towards end
-      if (pInterval->intervalUnit == 'n' || pInterval->intervalUnit == 'y') {
-        key = taosTimeAdd(key, pInterval->sliding, pInterval->slidingUnit, precision);
-      } else {
-        key += pInterval->sliding;
-      }
-
+      key = taosTimeAdd(key, pInterval->sliding, pInterval->slidingUnit, precision);
       if (key >= ts) {
         break;
       }
@@ -695,12 +690,7 @@ static STimeWindow getActiveTimeWindow(SResultRowInfo * pResultRowInfo, int64_t
 
  if (pResultRowInfo->curPos == -1) {  // the first window, from the previous stored value
     getInitialStartTimeWindow(pInterval, precision, ts, &w, win->ekey, true);
-
-    if (pInterval->intervalUnit == 'n' || pInterval->intervalUnit == 'y') {
-      w.ekey = taosTimeAdd(w.skey, pInterval->interval, pInterval->intervalUnit, precision) - 1;
-    } else {
-      w.ekey = w.skey + pInterval->interval - 1;
-    }
+    w.ekey = taosTimeAdd(w.skey, pInterval->interval, pInterval->intervalUnit, precision) - 1;
   } else {
     w = getResultRow(pResultRowInfo, pResultRowInfo->curPos)->win;
   }
@@ -722,7 +712,7 @@ static STimeWindow getActiveTimeWindow(SResultRowInfo * pResultRowInfo, int64_t
       }
 
       w.skey = st;
-      w.ekey = w.skey + pInterval->interval - 1;
+      w.ekey = taosTimeAdd(w.skey, pInterval->interval, pInterval->intervalUnit, precision) - 1;
     }
   }
   return w;
@@ -2208,7 +2198,7 @@ static SqlFunctionCtx* createSqlFunctionCtx_rv(SExprInfo* pExprInfo, int32_t num
   }
 
   for(int32_t i = 1; i < numOfOutput; ++i) {
-    (*rowCellInfoOffset)[i] = (int32_t)((*rowCellInfoOffset)[i - 1] + sizeof(SResultRowEntryInfo) + pFuncCtx[i].resDataInfo.interBufSize);
+    (*rowCellInfoOffset)[i] = (int32_t)((*rowCellInfoOffset)[i - 1] + sizeof(SResultRowEntryInfo) + pFuncCtx[i - 1].resDataInfo.interBufSize);
   }
 
   setCtxTagColumnInfo(pFuncCtx, numOfOutput);
@@ -2407,7 +2397,7 @@ static bool isCachedLastQuery(STaskAttr *pQueryAttr) {
 /////////////////////////////////////////////////////////////////////////////////////////////
 //todo refactor : return window
 void getAlignQueryTimeWindow(SInterval* pInterval, int32_t precision, int64_t key, int64_t keyFirst, int64_t keyLast, STimeWindow *win) {
-  assert(key >= keyFirst && key <= keyLast && pInterval->sliding <= pInterval->interval);
+  ASSERT(key >= keyFirst && key <= keyLast);
   win->skey = taosTimeTruncate(key, pInterval, precision);
 
   /*
@@ -2417,10 +2407,8 @@ void getAlignQueryTimeWindow(SInterval* pInterval, int32_t precision, int64_t ke
   if (keyFirst > (INT64_MAX - pInterval->interval)) {
     assert(keyLast - keyFirst < pInterval->interval);
     win->ekey = INT64_MAX;
-  } else if (pInterval->intervalUnit == 'n' || pInterval->intervalUnit == 'y') {
-    win->ekey = taosTimeAdd(win->skey, pInterval->interval, pInterval->intervalUnit, precision) - 1;
   } else {
-    win->ekey = win->skey + pInterval->interval - 1;
+    win->ekey = taosTimeAdd(win->skey, pInterval->interval, pInterval->intervalUnit, precision) - 1;
   }
 }
 
diff --git a/source/libs/function/src/builtinsimpl.c b/source/libs/function/src/builtinsimpl.c
index 9817020817..610e5a0bb2 100644
--- a/source/libs/function/src/builtinsimpl.c
+++ b/source/libs/function/src/builtinsimpl.c
@@ -528,11 +528,10 @@ void firstFunction(SqlFunctionCtx *pCtx) {
   char* buf = GET_ROWCELL_INTERBUF(pResInfo);
 
   SInputColumnInfoData* pInput = &pCtx->input;
-
   SColumnInfoData* pInputCol = pInput->pData[0];
 
   // All null data column, return directly.
-  if (pInput->pColumnDataAgg[0]->numOfNull == pInput->totalRows) {
+  if (pInput->colDataAggIsSet && (pInput->pColumnDataAgg[0]->numOfNull == pInput->totalRows)) {
     ASSERT(pInputCol->hasNull == true);
     return;
   }
diff --git a/source/libs/parser/src/parTranslater.c b/source/libs/parser/src/parTranslater.c
index 8b97b88b09..8c842db161 100644
--- a/source/libs/parser/src/parTranslater.c
+++ b/source/libs/parser/src/parTranslater.c
@@ -1771,24 +1771,27 @@ static int32_t translateSubquery(STranslateContext* pCxt, SNode* pNode) {
   return code;
 }
 
-static int32_t setReslutSchema(STranslateContext* pCxt, SQuery* pQuery) {
-  if (QUERY_NODE_SELECT_STMT == nodeType(pQuery->pRoot)) {
-    SSelectStmt* pSelect = (SSelectStmt*)pQuery->pRoot;
-    pQuery->numOfResCols = LIST_LENGTH(pSelect->pProjectionList);
-    pQuery->pResSchema = calloc(pQuery->numOfResCols, sizeof(SSchema));
-    if (NULL == pQuery->pResSchema) {
-      return generateSyntaxErrMsg(&pCxt->msgBuf, TSDB_CODE_OUT_OF_MEMORY);
+int32_t qExtractResultSchema(const SNode* pRoot, int32_t* numOfCols, SSchema** pSchema) {
+  if (QUERY_NODE_SELECT_STMT == nodeType(pRoot)) {
+    SSelectStmt* pSelect = (SSelectStmt*) pRoot;
+    *numOfCols = LIST_LENGTH(pSelect->pProjectionList);
+    *pSchema = calloc((*numOfCols), sizeof(SSchema));
+    if (NULL == (*pSchema)) {
+      return TSDB_CODE_OUT_OF_MEMORY;
     }
+
     SNode* pNode;
     int32_t index = 0;
     FOREACH(pNode, pSelect->pProjectionList) {
       SExprNode* pExpr = (SExprNode*)pNode;
-      pQuery->pResSchema[index].type = pExpr->resType.type;
-      pQuery->pResSchema[index].bytes = pExpr->resType.bytes;
-      strcpy(pQuery->pResSchema[index].name, pExpr->aliasName);
+      (*pSchema)[index].type = pExpr->resType.type;
+      (*pSchema)[index].bytes = pExpr->resType.bytes;
+      (*pSchema)[index].colId = index + 1;
+      strcpy((*pSchema)[index].name, pExpr->aliasName);
       index +=1;
     }
   }
+
   return TSDB_CODE_SUCCESS;
 }
 
@@ -2372,7 +2375,7 @@ static int32_t setQuery(STranslateContext* pCxt, SQuery* pQuery) {
       pQuery->haveResultSet = true;
       pQuery->directRpc = false;
       pQuery->msgType = TDMT_VND_QUERY;
-      code = setReslutSchema(pCxt, pQuery);
+      code = qExtractResultSchema(pQuery->pRoot, &pQuery->numOfResCols, &pQuery->pResSchema);
       break;
     case QUERY_NODE_VNODE_MODIF_STMT:
       pQuery->haveResultSet = false;
diff --git a/tests/script/jenkins/basic.txt b/tests/script/jenkins/basic.txt
index ee25b20285..dd44baed27 100644
--- a/tests/script/jenkins/basic.txt
+++ b/tests/script/jenkins/basic.txt
@@ -21,7 +21,7 @@
 
 # ---- query
 ./test.sh -f tsim/query/interval.sim
-#./test.sh -f tsim/query/interval-offset.sim
+./test.sh -f tsim/query/interval-offset.sim
 
 # ---- show
 ./test.sh -f tsim/show/basic.sim 
diff --git a/tests/script/tsim/insert/basic0.sim b/tests/script/tsim/insert/basic0.sim
index 46aa99127b..da74eb95e8 100644
--- a/tests/script/tsim/insert/basic0.sim
+++ b/tests/script/tsim/insert/basic0.sim
@@ -109,7 +109,26 @@ endi
 
 #print =============== select first(*)/first(column) from child table
 #sql select first(*) from ct1
-#sql select first(ts), first(c1), first(c2), first(c3) from ct1
+#print ====> select first(*) from ct1
+#print rows: $rows 
+#print $data00  $data01 $data02 $data03
+
+sql select first(ts), first(c1), first(c2), first(c3) from ct1
+print ====> select first(ts), first(c1), first(c2), first(c3) from ct1
+print rows: $rows 
+print $data00  $data01 $data02 $data03
+if $rows != 1 then 
+  return -1
+endi
+if $data01 != 10 then 
+  return -1
+endi
+if $data02 != 2.00000 then 
+  return -1
+endi
+if $data03 != 3.000000000 then 
+  return -1
+endi
 
 print =============== select min(column) from child table
 sql select min(c1), min(c2), min(c3) from ct1
@@ -216,10 +235,42 @@ endi
 #  return -1
 #endi
 
+print =============== select count(column) from supter table
+sql select ts, c1, c2, c3 from stb
+print rows: $rows
+print $data00 $data01 $data02  $data03
+print $data10 $data11 $data12  $data13
+print $data20 $data21 $data22  $data23
+print $data30 $data31 $data32  $data33
+print $data40 $data41 $data42  $data43
+print $data50 $data51 $data52  $data53
+print $data60 $data61 $data62  $data63
+print $data70 $data71 $data72  $data73
+print $data80 $data81 $data82  $data83
+if $rows != 9 then 
+  return -1
+endi
+
+# The order of data from different sub tables in the super table is random, 
+# so this detection may fail randomly
+if $data01 != 10 then 
+  return -1
+endi
+if $data02 != 2.00000 then 
+  return -1
+endi
+if $data03 != 3.000000000 then 
+  return -1
+endi
+
 #print =============== select count(column) from supter table
 #sql select count(ts), count(c1), count(c2), count(c3) from stb
+#print rows: $rows
 #print $data00 $data01 $data02  $data03
-#if $data00 != 8 then 
+#print $data10 $data11 $data12  $data13
+#print $data20 $data21 $data22  $data23
+#print $data30 $data31 $data32  $data33
+#if $data00 != 9 then 
 #  return -1
 #endi
 #if $data01 != 8 then 
@@ -232,7 +283,6 @@ endi
 #  return -1
 #endi
 
-
 #===================================================================
 #===================================================================
 
@@ -317,7 +367,26 @@ endi
 
 #print =============== select first(*)/first(column) from child table
 #sql select first(*) from ct1
-#sql select first(ts), first(c1), first(c2), first(c3) from ct1
+#print ====> select first(*) from ct1
+#print rows: $rows 
+#print $data00  $data01 $data02 $data03
+
+sql select first(ts), first(c1), first(c2), first(c3) from ct1
+print ====> select first(ts), first(c1), first(c2), first(c3) from ct1
+print rows: $rows 
+print $data00  $data01 $data02 $data03
+if $rows != 1 then 
+  return -1
+endi
+if $data01 != 10 then 
+  return -1
+endi
+if $data02 != 2.00000 then 
+  return -1
+endi
+if $data03 != 3.000000000 then 
+  return -1
+endi
 
 print =============== select min(column) from child table
 sql select min(c1), min(c2), min(c3) from ct1
@@ -424,6 +493,33 @@ endi
 #  return -1
 #endi
 
+print =============== select count(column) from supter table
+sql select ts, c1, c2, c3 from stb
+print rows: $rows
+print $data00 $data01 $data02  $data03
+print $data10 $data11 $data12  $data13
+print $data20 $data21 $data22  $data23
+print $data30 $data31 $data32  $data33
+print $data40 $data41 $data42  $data43
+print $data50 $data51 $data52  $data53
+print $data60 $data61 $data62  $data63
+print $data70 $data71 $data72  $data73
+print $data80 $data81 $data82  $data83
+if $rows != 9 then 
+  return -1
+endi
+# The order of data from different sub tables in the super table is random, 
+# so this detection may fail randomly
+if $data01 != 10 then 
+  return -1
+endi
+if $data02 != 2.00000 then 
+  return -1
+endi
+if $data03 != 3.000000000 then 
+  return -1
+endi
+
 #print =============== select count(column) from supter table
 #sql select count(ts), count(c1), count(c2), count(c3) from stb
 #print $data00 $data01 $data02  $data03
diff --git a/tests/script/tsim/query/interval-offset.sim b/tests/script/tsim/query/interval-offset.sim
index b2415be7d1..f188dff1ba 100644
--- a/tests/script/tsim/query/interval-offset.sim
+++ b/tests/script/tsim/query/interval-offset.sim
@@ -88,14 +88,17 @@ print ===> rows4: $data40 $data41 $data42 $data43 $data44
 print ===> rows5: $data50 $data51 $data52 $data53 $data54
 print ===> rows6: $data60 $data61 $data62 $data63 $data64
 print ===> rows7: $data70 $data71 $data72 $data73 $data74
-if $rows != 8 then
-  print expect 8, actual $rows
+print ===> rows8: $data80 $data81 $data82 $data83 $data84
+if $rows != 9 then
   return -1
 endi 
-if $data00 != 2 then
+if $data00 != 1 then
   return -1
 endi 
-if $data70 != 1 then
+if $data70 != 2 then
+  return -1
+endi 
+if $data80 != 1 then
   return -1
 endi 
 
@@ -166,15 +169,15 @@ print ===> rows7: $data70 $data71 $data72 $data73 $data74 $data75
 #endi
 
 print =============== insert data into child table ct3 (n)
-sql insert into ct3 values ( '2021-12-21 01:01:01.000', NULL )
-sql insert into ct3 values ( '2021-12-31 01:01:01.000', 1 )
-sql insert into ct3 values ( '2022-01-01 01:01:06.000', 2 )
-sql insert into ct3 values ( '2022-01-07 01:01:10.000', 3 )
-sql insert into ct3 values ( '2022-01-31 01:01:16.000', 4 )
-sql insert into ct3 values ( '2022-02-01 01:01:20.000', 5 )
-sql insert into ct3 values ( '2022-02-28 01:01:26.000', 6 )
-sql insert into ct3 values ( '2022-03-01 01:01:30.000', 7 )
-sql insert into ct3 values ( '2022-03-08 01:01:36.000', 8 )
+sql insert into ct3 values ( '2021-12-21 01:01:01.000', NULL );
+sql insert into ct3 values ( '2021-12-31 01:01:01.000', 1 );
+sql insert into ct3 values ( '2022-01-01 01:01:06.000', 2 );
+sql insert into ct3 values ( '2022-01-07 01:01:10.000', 3 );
+sql insert into ct3 values ( '2022-01-31 01:01:16.000', 4 );
+sql insert into ct3 values ( '2022-02-01 01:01:20.000', 5 );
+sql insert into ct3 values ( '2022-02-28 01:01:26.000', 6 );
+sql insert into ct3 values ( '2022-03-01 01:01:30.000', 7 );
+sql insert into ct3 values ( '2022-03-08 01:01:36.000', 8 );
 
 sql select count(tbcol), sum(tbcol), max(tbcol), min(tbcol), count(*) from ct3 interval(1n, 1w)
 print ===> select count(tbcol), sum(tbcol), max(tbcol), min(tbcol), count(*) from ct3 interval(1n, 1w)
diff --git a/tools/shell/src/shellMain.c b/tools/shell/src/shellMain.c
index ea91736aad..cc87c2c54b 100644
--- a/tools/shell/src/shellMain.c
+++ b/tools/shell/src/shellMain.c
@@ -17,6 +17,7 @@
 #include "os.h"
 #include "shell.h"
 #include "tglobal.h"
+#include "tconfig.h"
 #include "shellCommand.h"
 #include "tbase64.h"
 #include "tlog.h"
@@ -619,20 +620,17 @@ int main(int argc, char *argv[]) {
 
   shellParseArgument(argc, argv, &args);
 
-#if 0
   if (args.dump_config) {
-    taosInitGlobalCfg();
-    taosReadGlobalLogCfg();
+    taosInitCfg(configDir, NULL, NULL, NULL, 1);
 
-    if (taosReadGlobalCfg() ! =0) {
-      printf("TDengine read global config failed");
+    SConfig *pCfg = taosGetCfg();
+    if (NULL == pCfg) {
+      printf("TDengine read global config failed!\n");
       exit(EXIT_FAILURE);
     }
-
-    taosDumpGlobalCfg();
+    cfgDumpCfg(pCfg, 0, 1);
     exit(0);
   }
-#endif
 
   if (args.netTestRole && args.netTestRole[0] != 0) {
     TAOS *con = NULL;