diff --git a/include/libs/executor/storageapi.h b/include/libs/executor/storageapi.h
index db0d6339c8..feb7bcc25e 100644
--- a/include/libs/executor/storageapi.h
+++ b/include/libs/executor/storageapi.h
@@ -336,6 +336,7 @@ typedef struct SStateStore {
   int32_t (*streamStatePutParName)(SStreamState* pState, int64_t groupId, const char* tbname);
   int32_t (*streamStateGetParName)(SStreamState* pState, int64_t groupId, void** pVal, bool onlyCache,
                                    int32_t* pWinCode);
+  int32_t (*streamStateDeleteParName)(SStreamState* pState, int64_t groupId);
 
   int32_t (*streamStateAddIfNotExist)(SStreamState* pState, const SWinKey* key, void** pVal, int32_t* pVLen,
                                       int32_t* pWinCode);
diff --git a/include/libs/stream/streamState.h b/include/libs/stream/streamState.h
index a50451c3eb..2179547352 100644
--- a/include/libs/stream/streamState.h
+++ b/include/libs/stream/streamState.h
@@ -116,6 +116,7 @@ void streamStateCurPrev(SStreamState* pState, SStreamStateCur* pCur);
 
 int32_t streamStatePutParName(SStreamState* pState, int64_t groupId, const char* tbname);
 int32_t streamStateGetParName(SStreamState* pState, int64_t groupId, void** pVal, bool onlyCache, int32_t* pWinCode);
+int32_t streamStateDeleteParName(SStreamState* pState, int64_t groupId);
 
 // group id
 int32_t streamStateGroupPut(SStreamState* pState, int64_t groupId, void* value, int32_t vLen);
diff --git a/source/dnode/snode/src/snodeInitApi.c b/source/dnode/snode/src/snodeInitApi.c
index 680a2fd83c..4fe4333534 100644
--- a/source/dnode/snode/src/snodeInitApi.c
+++ b/source/dnode/snode/src/snodeInitApi.c
@@ -31,6 +31,7 @@ void initStateStoreAPI(SStateStore* pStore) {
 
   pStore->streamStatePutParName = streamStatePutParName;
   pStore->streamStateGetParName = streamStateGetParName;
+  pStore->streamStateDeleteParName = streamStateDeleteParName;
 
   pStore->streamStateAddIfNotExist = streamStateAddIfNotExist;
   pStore->streamStateReleaseBuf = streamStateReleaseBuf;
diff --git a/source/dnode/vnode/src/vnd/vnodeInitApi.c b/source/dnode/vnode/src/vnd/vnodeInitApi.c
index d688d1323d..0ac0ee1b8f 100644
--- a/source/dnode/vnode/src/vnd/vnodeInitApi.c
+++ b/source/dnode/vnode/src/vnd/vnodeInitApi.c
@@ -147,6 +147,7 @@ void initStateStoreAPI(SStateStore* pStore) {
 
   pStore->streamStatePutParName = streamStatePutParName;
   pStore->streamStateGetParName = streamStateGetParName;
+  pStore->streamStateDeleteParName = streamStateDeleteParName;
 
   pStore->streamStateAddIfNotExist = streamStateAddIfNotExist;
   pStore->streamStateReleaseBuf = streamStateReleaseBuf;
diff --git a/source/libs/executor/src/scanoperator.c b/source/libs/executor/src/scanoperator.c
index 5b5d5c5d11..8c04492162 100644
--- a/source/libs/executor/src/scanoperator.c
+++ b/source/libs/executor/src/scanoperator.c
@@ -3535,6 +3535,23 @@ static int32_t copyGetResultBlock(SSDataBlock* dest, TSKEY start, TSKEY end) {
   return appendDataToSpecialBlock(dest, &start, &end, NULL, NULL, NULL);
 }
 
+static int32_t deletePartName(SStreamScanInfo* pInfo, SSDataBlock* pBlock) {
+  int32_t code = TSDB_CODE_SUCCESS;
+  int32_t lino = 0;
+  for (int32_t i = 0; i < pBlock->info.rows; i++) {
+    SColumnInfoData* pGpIdCol = taosArrayGet(pBlock->pDataBlock, GROUPID_COLUMN_INDEX);
+    int64_t*         gpIdCol = (int64_t*)pGpIdCol->pData;
+    code = pInfo->stateStore.streamStateDeleteParName(pInfo->pStreamScanOp->pTaskInfo->streamInfo.pState, gpIdCol[i]);
+    QUERY_CHECK_CODE(code, lino, _end);
+  }
+
+_end:
+  if (code != TSDB_CODE_SUCCESS) {
+    qError("%s failed at line %d since %s", __func__, lino, tstrerror(code));
+  }
+  return code;
+}
+
 static int32_t doStreamScanNext(SOperatorInfo* pOperator, SSDataBlock** ppRes) {
   // NOTE: this operator does never check if current status is done or not
   int32_t        code = TSDB_CODE_SUCCESS;
@@ -3774,6 +3791,15 @@ FETCH_NEXT_BLOCK:
         prepareRangeScan(pInfo, pInfo->pUpdateRes, &pInfo->updateResIndex, NULL);
         pInfo->scanMode = STREAM_SCAN_FROM_DATAREADER_RANGE;
       } break;
+      case STREAM_DELETE_GROUP_DATA: {
+        printSpecDataBlock(pBlock, getStreamOpName(pOperator->operatorType), "delete group recv",
+                           GET_TASKID(pTaskInfo));
+        code = setBlockGroupIdByUid(pInfo, pBlock);
+        QUERY_CHECK_CODE(code, lino, _end);
+
+        deletePartName(pInfo, pBlock);
+        pBlock->info.type = STREAM_DELETE_DATA;
+      } break;
       case STREAM_CHECKPOINT: {
         qError("stream check point error. msg type: STREAM_INPUT__DATA_BLOCK");
       } break;
diff --git a/source/libs/stream/inc/streamBackendRocksdb.h b/source/libs/stream/inc/streamBackendRocksdb.h
index d313acc61d..6a10b21c53 100644
--- a/source/libs/stream/inc/streamBackendRocksdb.h
+++ b/source/libs/stream/inc/streamBackendRocksdb.h
@@ -223,6 +223,7 @@ int32_t streamStateParTagGetKVByCur_rocksdb(SStreamStateCur* pCur, int64_t* pGro
 // parname cf
 int32_t streamStatePutParName_rocksdb(SStreamState* pState, int64_t groupId, const char tbname[TSDB_TABLE_NAME_LEN]);
 int32_t streamStateGetParName_rocksdb(SStreamState* pState, int64_t groupId, void** pVal);
+int32_t streamStateDeleteParName_rocksdb(SStreamState* pState, int64_t groupId);
 
 void streamStateDestroy_rocksdb(SStreamState* pState, bool remove);
 
diff --git a/source/libs/stream/src/streamBackendRocksdb.c b/source/libs/stream/src/streamBackendRocksdb.c
index 09f4e95376..65746b3100 100644
--- a/source/libs/stream/src/streamBackendRocksdb.c
+++ b/source/libs/stream/src/streamBackendRocksdb.c
@@ -4432,6 +4432,12 @@ int32_t streamStateGetParName_rocksdb(SStreamState* pState, int64_t groupId, voi
   return code;
 }
 
+int32_t streamStateDeleteParName_rocksdb(SStreamState* pState, int64_t groupId) {
+  int    code = 0;
+  STREAM_STATE_DEL_ROCKSDB(pState, "parname", &groupId);
+  return code;
+}
+
 int32_t streamDefaultPut_rocksdb(SStreamState* pState, const void* key, void* pVal, int32_t pVLen) {
   int code = 0;
   STREAM_STATE_PUT_ROCKSDB(pState, "default", key, pVal, pVLen);
diff --git a/source/libs/stream/src/streamState.c b/source/libs/stream/src/streamState.c
index 794fc346bf..ff52e1cb54 100644
--- a/source/libs/stream/src/streamState.c
+++ b/source/libs/stream/src/streamState.c
@@ -525,6 +525,14 @@ _end:
   return code;
 }
 
+int32_t streamStateDeleteParName(SStreamState* pState, int64_t groupId) {
+  int32_t code = tSimpleHashRemove(pState->parNameMap, &groupId, sizeof(int64_t));
+  qTrace("%s at line %d res %d", __func__, __LINE__, code);
+  code = streamStateDeleteParName_rocksdb(pState, groupId);
+  qTrace("%s at line %d res %d", __func__, __LINE__, code);
+  return TSDB_CODE_SUCCESS;
+}
+
 void streamStateDestroy(SStreamState* pState, bool remove) {
   streamFileStateDestroy(pState->pFileState);
   // streamStateDestroy_rocksdb(pState, remove);