diff --git a/source/dnode/mnode/impl/src/mndStream.c b/source/dnode/mnode/impl/src/mndStream.c
index 6640e5dca3..18cecddbdb 100644
--- a/source/dnode/mnode/impl/src/mndStream.c
+++ b/source/dnode/mnode/impl/src/mndStream.c
@@ -1843,6 +1843,11 @@ static int32_t mndProcessVgroupChange(SMnode *pMnode, SVgroupChangeInfo *pChange
     }
   }
 
+  // no need to build the trans to handle the vgroup upddate
+  if (pTrans == NULL) {
+    return 0;
+  }
+
   if (mndTransPrepare(pMnode, pTrans) != 0) {
     mError("trans:%d, failed to prepare update stream trans since %s", pTrans->id, terrstr());
     sdbRelease(pMnode->pSdb, pStream);
diff --git a/source/libs/parser/src/parTranslater.c b/source/libs/parser/src/parTranslater.c
index 922ad30f39..e221d2158c 100644
--- a/source/libs/parser/src/parTranslater.c
+++ b/source/libs/parser/src/parTranslater.c
@@ -8330,8 +8330,7 @@ static int32_t createStreamReqVersionInfo(SSDataBlock* pBlock, SArray** pArray,
     SColumnInfoData* pCol2 = taosArrayGet(pBlock->pDataBlock, 2);
 
     for (int32_t i = 0; i < pBlock->info.rows; ++i) {
-      SVgroupVer       v = {.vgId = *(int32_t*)colDataGetData(pCol1, i), .ver = *(int64_t*)colDataGetData(pCol2, i)};
-      parserDebug("-------------%ld, vgId:%d, vgVer:%ld\n", *lastTs, v.vgId, v.ver);
+      SVgroupVer v = {.vgId = *(int32_t*)colDataGetData(pCol1, i), .ver = *(int64_t*)colDataGetData(pCol2, i)};
       taosArrayPush(*pArray, &v);
     }
   } else {