diff --git a/source/dnode/mnode/impl/src/mndArbGroup.c b/source/dnode/mnode/impl/src/mndArbGroup.c
index 7193058e80..80664b39e6 100644
--- a/source/dnode/mnode/impl/src/mndArbGroup.c
+++ b/source/dnode/mnode/impl/src/mndArbGroup.c
@@ -1055,13 +1055,21 @@ static int32_t mndRetrieveArbGroups(SRpcMsg *pReq, SShowObj *pShow, SSDataBlock
     pColInfo = taosArrayGet(pBlock->pDataBlock, cols++);
     colDataSetVal(pColInfo, numOfRows, (const char *)&pGroup->isSync, false);
 
-    pColInfo = taosArrayGet(pBlock->pDataBlock, cols++);
-    colDataSetVal(pColInfo, numOfRows, (const char *)&pGroup->assignedLeader.dnodeId, false);
+    if (pGroup->assignedLeader.dnodeId != 0) {
+      pColInfo = taosArrayGet(pBlock->pDataBlock, cols++);
+      colDataSetVal(pColInfo, numOfRows, (const char *)&pGroup->assignedLeader.dnodeId, false);
 
-    char token[TSDB_ARB_TOKEN_SIZE + VARSTR_HEADER_SIZE] = {0};
-    STR_WITH_MAXSIZE_TO_VARSTR(token, pGroup->assignedLeader.token, TSDB_ARB_TOKEN_SIZE + VARSTR_HEADER_SIZE);
-    pColInfo = taosArrayGet(pBlock->pDataBlock, cols++);
-    colDataSetVal(pColInfo, numOfRows, (const char *)token, false);
+      char token[TSDB_ARB_TOKEN_SIZE + VARSTR_HEADER_SIZE] = {0};
+      STR_WITH_MAXSIZE_TO_VARSTR(token, pGroup->assignedLeader.token, TSDB_ARB_TOKEN_SIZE + VARSTR_HEADER_SIZE);
+      pColInfo = taosArrayGet(pBlock->pDataBlock, cols++);
+      colDataSetVal(pColInfo, numOfRows, (const char *)token, false);
+    } else {
+      pColInfo = taosArrayGet(pBlock->pDataBlock, cols++);
+      colDataSetNULL(pColInfo, numOfRows);
+
+      pColInfo = taosArrayGet(pBlock->pDataBlock, cols++);
+      colDataSetNULL(pColInfo, numOfRows);
+    }
 
     taosThreadMutexUnlock(&pGroup->mutex);