diff --git a/include/common/tgrant.h b/include/common/tgrant.h
index 38978aebce..80b0ee2147 100644
--- a/include/common/tgrant.h
+++ b/include/common/tgrant.h
@@ -26,7 +26,9 @@ extern "C" {
 #include "tgrantCfg.h"
 #endif
 
+#ifndef GRANTS_COL_MAX_LEN
 #define GRANTS_COL_MAX_LEN 128
+#endif
 
 typedef enum {
   TSDB_GRANT_ALL,
diff --git a/include/common/tmsg.h b/include/common/tmsg.h
index f377ad0d63..82f43a6179 100644
--- a/include/common/tmsg.h
+++ b/include/common/tmsg.h
@@ -1232,6 +1232,13 @@ typedef struct {
   SEp     ep;
 } SDnodeEp;
 
+typedef struct {
+  int32_t id;
+  SEp     ep;
+  char    active[TSDB_ACTIVE_KEY_LEN];
+  char    connActive[TSDB_CONN_ACTIVE_KEY_LEN];
+} SDnodeInfo;
+
 typedef struct {
   int64_t   dnodeVer;
   SDnodeCfg dnodeCfg;
diff --git a/include/util/tdef.h b/include/util/tdef.h
index 664f22eeed..56e2d3965d 100644
--- a/include/util/tdef.h
+++ b/include/util/tdef.h
@@ -273,6 +273,9 @@ typedef enum ELogicConditionType {
 #define TSDB_DNODE_CONFIG_LEN 128
 #define TSDB_DNODE_VALUE_LEN  256
 
+#define TSDB_ACTIVE_KEY_LEN      109
+#define TSDB_CONN_ACTIVE_KEY_LEN 257
+
 #define TSDB_DEFAULT_PKT_SIZE 65480  // same as RPC_MAX_UDP_SIZE
 
 #define TSDB_PAYLOAD_SIZE         TSDB_DEFAULT_PKT_SIZE
diff --git a/source/common/src/systable.c b/source/common/src/systable.c
index cd3dd63ef0..831cb14501 100644
--- a/source/common/src/systable.c
+++ b/source/common/src/systable.c
@@ -35,6 +35,8 @@ static const SSysDbTableSchema dnodesSchema[] = {
     {.name = "create_time", .bytes = 8, .type = TSDB_DATA_TYPE_TIMESTAMP, .sysInfo = true},
     {.name = "reboot_time", .bytes = 8, .type = TSDB_DATA_TYPE_TIMESTAMP, .sysInfo = true},   
     {.name = "note", .bytes = 256 + VARSTR_HEADER_SIZE, .type = TSDB_DATA_TYPE_VARCHAR, .sysInfo = true},
+    {.name = "active_code", .bytes = 108 + VARSTR_HEADER_SIZE, .type = TSDB_DATA_TYPE_VARCHAR, .sysInfo = true},
+    {.name = "c_active_code", .bytes = 256 + VARSTR_HEADER_SIZE, .type = TSDB_DATA_TYPE_VARCHAR, .sysInfo = true},
 };
 
 static const SSysDbTableSchema mnodesSchema[] = {
diff --git a/source/dnode/mnode/impl/inc/mndDef.h b/source/dnode/mnode/impl/inc/mndDef.h
index f547ce025d..d9985afb6f 100644
--- a/source/dnode/mnode/impl/inc/mndDef.h
+++ b/source/dnode/mnode/impl/inc/mndDef.h
@@ -205,6 +205,8 @@ typedef struct {
   uint16_t   port;
   char       fqdn[TSDB_FQDN_LEN];
   char       ep[TSDB_EP_LEN];
+  char       active[TSDB_ACTIVE_KEY_LEN];
+  char       connActive[TSDB_CONN_ACTIVE_KEY_LEN];
 } SDnodeObj;
 
 typedef struct {
diff --git a/source/dnode/mnode/impl/inc/mndDnode.h b/source/dnode/mnode/impl/inc/mndDnode.h
index ebbabdfa33..077859361a 100644
--- a/source/dnode/mnode/impl/inc/mndDnode.h
+++ b/source/dnode/mnode/impl/inc/mndDnode.h
@@ -29,7 +29,7 @@ void       mndReleaseDnode(SMnode *pMnode, SDnodeObj *pDnode);
 SEpSet     mndGetDnodeEpset(SDnodeObj *pDnode);
 int32_t    mndGetDnodeSize(SMnode *pMnode);
 bool       mndIsDnodeOnline(SDnodeObj *pDnode, int64_t curMs);
-void       mndGetDnodeData(SMnode *pMnode, SArray *pDnodeEps);
+void       mndGetDnodeInfo(SMnode *pMnode, SArray *pDnodeInfo);
 
 #ifdef __cplusplus
 }
diff --git a/source/dnode/mnode/impl/src/mndDnode.c b/source/dnode/mnode/impl/src/mndDnode.c
index 1f58ae97a3..e2ac353470 100644
--- a/source/dnode/mnode/impl/src/mndDnode.c
+++ b/source/dnode/mnode/impl/src/mndDnode.c
@@ -27,7 +27,7 @@
 #include "tmisce.h"
 #include "mndCluster.h"
 
-#define TSDB_DNODE_VER_NUMBER   1
+#define TSDB_DNODE_VER_NUMBER   2
 #define TSDB_DNODE_RESERVE_SIZE 64
 
 static const char *offlineReason[] = {
@@ -138,6 +138,21 @@ static SSdbRaw *mndDnodeActionEncode(SDnodeObj *pDnode) {
   SDB_SET_INT64(pRaw, dataPos, pDnode->updateTime, _OVER)
   SDB_SET_INT16(pRaw, dataPos, pDnode->port, _OVER)
   SDB_SET_BINARY(pRaw, dataPos, pDnode->fqdn, TSDB_FQDN_LEN, _OVER)
+  // debug purpose
+#if 1
+  strncpy(
+      pDnode->active,
+      "4cssi6J+y+GSS7zes2RwBezQc/mabvN9N2maa6ksK6JJWl7OxrPZ2ElaXs7Gs9nYSVpezsaz2di72ZL6EAo0mcYiPlK2dDdmPh3SOVCm1/c=",
+      TSDB_ACTIVE_KEY_LEN);
+  strncpy(
+      pDnode->connActive,
+      "ovTNXauk5suSS7zes2RwBezQc/mabvN9N2maa6ksK6JJWl7OxrPZ2ElaXs7Gs9nYSVpezsaz2di72ZL6EAo0mcYiPlK2dDdmdpKzEXFi4Rs=ovTNXauk5suSS7zes2RwBezQc/mabvN9N2maa6ksK6JJWl7OxrPZ2ElaXs7Gs9nYSVpezsaz2di72ZL6EAo0mcYiPlK2dDdmdpKzEXFi4Rs=",
+      TSDB_CONN_ACTIVE_KEY_LEN);
+#endif
+
+  SDB_SET_BINARY(pRaw, dataPos, pDnode->active, TSDB_ACTIVE_KEY_LEN, _OVER)
+  SDB_SET_BINARY(pRaw, dataPos, pDnode->connActive, TSDB_CONN_ACTIVE_KEY_LEN, _OVER)
+
   SDB_SET_RESERVE(pRaw, dataPos, TSDB_DNODE_RESERVE_SIZE, _OVER)
   SDB_SET_DATALEN(pRaw, dataPos, _OVER);
 
@@ -161,7 +176,7 @@ static SSdbRow *mndDnodeActionDecode(SSdbRaw *pRaw) {
 
   int8_t sver = 0;
   if (sdbGetRawSoftVer(pRaw, &sver) != 0) goto _OVER;
-  if (sver != TSDB_DNODE_VER_NUMBER) {
+  if (sver < 1 || sver > TSDB_DNODE_VER_NUMBER) {
     terrno = TSDB_CODE_SDB_INVALID_DATA_VER;
     goto _OVER;
   }
@@ -178,6 +193,10 @@ static SSdbRow *mndDnodeActionDecode(SSdbRaw *pRaw) {
   SDB_GET_INT64(pRaw, dataPos, &pDnode->updateTime, _OVER)
   SDB_GET_INT16(pRaw, dataPos, &pDnode->port, _OVER)
   SDB_GET_BINARY(pRaw, dataPos, pDnode->fqdn, TSDB_FQDN_LEN, _OVER)
+  if(sver > 1) {
+    SDB_GET_BINARY(pRaw, dataPos, pDnode->active, TSDB_ACTIVE_KEY_LEN, _OVER)
+    SDB_GET_BINARY(pRaw, dataPos, pDnode->connActive, TSDB_CONN_ACTIVE_KEY_LEN, _OVER)
+  }
   SDB_GET_RESERVE(pRaw, dataPos, TSDB_DNODE_RESERVE_SIZE, _OVER)
 
   terrno = 0;
@@ -305,7 +324,7 @@ bool mndIsDnodeOnline(SDnodeObj *pDnode, int64_t curMs) {
   return true;
 }
 
-void mndGetDnodeData(SMnode *pMnode, SArray *pDnodeEps) {
+static void mndGetDnodeData(SMnode *pMnode, SArray *pDnodeEps) {
   SSdb *pSdb = pMnode->pSdb;
 
   int32_t numOfEps = 0;
@@ -330,6 +349,29 @@ void mndGetDnodeData(SMnode *pMnode, SArray *pDnodeEps) {
   }
 }
 
+void mndGetDnodeInfo(SMnode *pMnode, SArray *pDnodeInfo) {
+  SSdb *pSdb = pMnode->pSdb;
+
+  int32_t numOfEps = 0;
+  void   *pIter = NULL;
+  while (1) {
+    SDnodeObj *pDnode = NULL;
+    ESdbStatus objStatus = 0;
+    pIter = sdbFetchAll(pSdb, SDB_DNODE, pIter, (void **)&pDnode, &objStatus, true);
+    if (pIter == NULL) break;
+
+    SDnodeInfo dInfo;
+    dInfo.id = pDnode->id;
+    dInfo.ep.port = pDnode->port;
+    tstrncpy(dInfo.ep.fqdn, pDnode->fqdn, TSDB_FQDN_LEN);
+    tstrncpy(dInfo.active, pDnode->active, TSDB_ACTIVE_KEY_LEN);
+    tstrncpy(dInfo.connActive, pDnode->connActive, TSDB_CONN_ACTIVE_KEY_LEN);
+    sdbRelease(pSdb, pDnode);
+
+    taosArrayPush(pDnodeInfo, &dInfo);
+  }
+}
+
 static int32_t mndCheckClusterCfgPara(SMnode *pMnode, SDnodeObj *pDnode, const SClusterCfg *pCfg) {
   if (pCfg->statusInterval != tsStatusInterval) {
     mError("dnode:%d, statusInterval:%d inconsistent with cluster:%d", pDnode->id, pCfg->statusInterval,
@@ -1077,7 +1119,7 @@ static int32_t mndRetrieveDnodes(SRpcMsg *pReq, SShowObj *pShow, SSDataBlock *pB
         status = "offline";
     }
 
-    char b1[16] = {0};
+    char b1[TSDB_CONN_ACTIVE_KEY_LEN + 2] = {0};
     STR_TO_VARSTR(b1, status);
     pColInfo = taosArrayGet(pBlock->pDataBlock, cols++);
     colDataSetVal(pColInfo, numOfRows, b1, false);
@@ -1095,6 +1137,14 @@ static int32_t mndRetrieveDnodes(SRpcMsg *pReq, SShowObj *pShow, SSDataBlock *pB
     colDataSetVal(pColInfo, numOfRows, b, false);
     taosMemoryFreeClear(b);
 
+    STR_TO_VARSTR(b1, pDnode->active);
+    pColInfo = taosArrayGet(pBlock->pDataBlock, cols++);
+    colDataSetVal(pColInfo, numOfRows, b1, false);
+
+    STR_TO_VARSTR(b1, pDnode->connActive);
+    pColInfo = taosArrayGet(pBlock->pDataBlock, cols++);
+    colDataSetVal(pColInfo, numOfRows, b1, false);
+
     numOfRows++;
     sdbRelease(pSdb, pDnode);
   }