diff --git a/include/libs/stream/tstream.h b/include/libs/stream/tstream.h
index 95b2f94f3f..8070067964 100644
--- a/include/libs/stream/tstream.h
+++ b/include/libs/stream/tstream.h
@@ -341,7 +341,7 @@ typedef struct SStreamMeta {
   TTB*         pTaskDb;
   TTB*         pCheckpointDb;
   SHashObj*    pTasks;
-  SArray*      pTaskList;   // SArray<task_id*>
+  SArray*      pTaskList;  // SArray<task_id*>
   void*        ahandle;
   TXN*         txn;
   FTaskExpand* expandFunc;
@@ -569,6 +569,8 @@ int32_t streamAggRecoverPrepare(SStreamTask* pTask);
 // int32_t streamAggChildrenRecoverFinish(SStreamTask* pTask);
 int32_t streamProcessRecoverFinishReq(SStreamTask* pTask, int32_t childId);
 
+void         streamMetaInit();
+void         streamMetaCleanup();
 SStreamMeta* streamMetaOpen(const char* path, void* ahandle, FTaskExpand expandFunc, int32_t vgId);
 void         streamMetaClose(SStreamMeta* streamMeta);
 
diff --git a/source/dnode/mgmt/node_mgmt/src/dmMgmt.c b/source/dnode/mgmt/node_mgmt/src/dmMgmt.c
index d884120147..544512233e 100644
--- a/source/dnode/mgmt/node_mgmt/src/dmMgmt.c
+++ b/source/dnode/mgmt/node_mgmt/src/dmMgmt.c
@@ -18,6 +18,7 @@
 #include "dmNodes.h"
 #include "index.h"
 #include "qworker.h"
+#include "tstream.h"
 
 static bool dmRequireNode(SDnode *pDnode, SMgmtWrapper *pWrapper) {
   SMgmtInputOpt input = dmBuildMgmtInputOpt(pWrapper);
@@ -153,6 +154,7 @@ int32_t dmInitDnode(SDnode *pDnode) {
   }
 
   indexInit(tsNumOfCommitThreads);
+  streamMetaInit();
 
   dmReportStartup("dnode-transport", "initialized");
   dDebug("dnode is created, ptr:%p", pDnode);
@@ -175,6 +177,7 @@ void dmCleanupDnode(SDnode *pDnode) {
   dmCleanupServer(pDnode);
   dmClearVars(pDnode);
   rpcCleanup();
+  streamMetaCleanup();
   indexCleanup();
   taosConvDestroy();
   dDebug("dnode is closed, ptr:%p", pDnode);
diff --git a/source/libs/stream/src/streamBackendRocksdb.c b/source/libs/stream/src/streamBackendRocksdb.c
index e1c030b5c5..eaf3175bfa 100644
--- a/source/libs/stream/src/streamBackendRocksdb.c
+++ b/source/libs/stream/src/streamBackendRocksdb.c
@@ -846,7 +846,6 @@ int streamStateOpenBackend(void* backend, SStreamState* pState) {
     if (err != NULL) {
       qError("failed to create cf:%s_%s, reason:%s", pState->pTdbState->idstr, ginitDict[i].key, err);
       taosMemoryFreeClear(err);
-      // return -1;
     }
   }
   pState->pTdbState->rocksdb = handle->db;
diff --git a/source/libs/stream/src/streamMeta.c b/source/libs/stream/src/streamMeta.c
index 49710b0934..8167a12f6d 100644
--- a/source/libs/stream/src/streamMeta.c
+++ b/source/libs/stream/src/streamMeta.c
@@ -19,6 +19,13 @@
 #include "tref.h"
 #include "ttimer.h"
 
+static TdThreadOnce streamMetaModuleInit = PTHREAD_ONCE_INIT;
+static int32_t      streamBackendId = 0;
+static void         streamMetaEnvInit() { streamBackendId = taosOpenRef(20, streamBackendCleanup); }
+
+void streamMetaInit() { taosThreadOnce(&streamMetaModuleInit, streamMetaEnvInit); }
+void streamMetaCleanup() { taosCloseRef(streamBackendId); }
+
 SStreamMeta* streamMetaOpen(const char* path, void* ahandle, FTaskExpand expandFunc, int32_t vgId) {
   int32_t      code = -1;
   SStreamMeta* pMeta = taosMemoryCalloc(1, sizeof(SStreamMeta));
@@ -85,8 +92,7 @@ SStreamMeta* streamMetaOpen(const char* path, void* ahandle, FTaskExpand expandF
   }
 
   pMeta->streamBackend = streamBackendInit(statePath);
-  pMeta->streamBackendId = taosOpenRef(20, streamBackendCleanup);
-  pMeta->streamBackendRid = taosAddRef(pMeta->streamBackendId, pMeta->streamBackend);
+  pMeta->streamBackendRid = taosAddRef(streamBackendId, pMeta->streamBackend);
 
   taosMemoryFree(statePath);
 
@@ -129,9 +135,7 @@ void streamMetaClose(SStreamMeta* pMeta) {
   }
 
   taosHashCleanup(pMeta->pTasks);
-  taosRemoveRef(pMeta->streamBackendId, pMeta->streamBackendRid);
-  // streamBackendCleanup(pMeta->streamBackend);
-  taosCloseRef(pMeta->streamBackendId);
+  taosRemoveRef(streamBackendId, pMeta->streamBackendRid);
   pMeta->pTaskList = taosArrayDestroy(pMeta->pTaskList);
   taosMemoryFree(pMeta->path);
   taosMemoryFree(pMeta);
diff --git a/source/libs/stream/test/tstreamUpdateTest.cpp b/source/libs/stream/test/tstreamUpdateTest.cpp
index 4b3f76276c..18c60aff28 100644
--- a/source/libs/stream/test/tstreamUpdateTest.cpp
+++ b/source/libs/stream/test/tstreamUpdateTest.cpp
@@ -1,5 +1,7 @@
 #include <gtest/gtest.h>
 
+#include "streamBackendRocksdb.h"
+#include "tstream.h"
 #include "tstreamUpdate.h"
 #include "ttime.h"
 
@@ -9,21 +11,16 @@ using namespace std;
 class StreamStateEnv : public ::testing::Test {
  protected:
   virtual void SetUp() {
-    // initLog();
-    //  taosRemoveDir(path);
-    //  SIndexOpts opts;
-    //  opts.cacheSize = 1024 * 1024 * 4;
-    //  int ret = indexOpen(&opts, path, &index);
-    //  assert(ret == 0);
+    streamMetaInit();
+    backend = streamBackendInit(path);
   }
   virtual void TearDown() {
+    streamMetaCleanup();
     // indexClose(index);
   }
 
   const char *path = TD_TMP_DIR_PATH "stream";
-
-  // SIndexOpts* opts;
-  // SIndex*     index;
+  void       *backend;
 };
 
 bool equalSBF(SScalableBf *left, SScalableBf *right) {
@@ -212,7 +209,7 @@ TEST(TD_STREAM_UPDATE_TEST, update) {
   // updateInfoDestroy(pSU7);
 }
 // TEST()
-TEST_F(StreamStateEnv, test1) {}
+TEST(StreamStateEnv, test1) {}
 // int main(int argc, char *argv[]) {
 //   testing::InitGoogleTest(&argc, argv);
 //   return RUN_ALL_TESTS();