diff --git a/source/dnode/vnode/src/tsdb/tsdbCommit.c b/source/dnode/vnode/src/tsdb/tsdbCommit.c
index 0f2d711a79f467fee792e197cb5a0b55a912cdc2..be6c0860402bb7a01f2928aeeafec9efd45f1185 100644
--- a/source/dnode/vnode/src/tsdb/tsdbCommit.c
+++ b/source/dnode/vnode/src/tsdb/tsdbCommit.c
@@ -1327,7 +1327,7 @@ static int tsdbMergeMemData(SCommitH *pCommith, SCommitIter *pIter, int bidx) {
   int        nBlocks = pCommith->readh.pBlkIdx->numOfBlocks;
   SBlock *   pBlock = pCommith->readh.pBlkInfo->blocks + bidx;
   TSKEY      keyLimit;
-  int16_t    colId = 0;
+  int16_t    colId = PRIMARYKEY_TIMESTAMP_COL_ID;
   SMergeInfo mInfo;
   SBlock     subBlocks[TSDB_MAX_SUBBLOCKS];
   SBlock     block, supBlock;
diff --git a/source/dnode/vnode/src/tsdb/tsdbReadImpl.c b/source/dnode/vnode/src/tsdb/tsdbReadImpl.c
index 3dcbb7888b767988a13bf023daf68b78050f379e..24c71fdc7e12f389811f1ab5612bdfbf090d1474 100644
--- a/source/dnode/vnode/src/tsdb/tsdbReadImpl.c
+++ b/source/dnode/vnode/src/tsdb/tsdbReadImpl.c
@@ -472,7 +472,7 @@ static int tsdbLoadBlockDataImpl(SReadH *pReadh, SBlock *pBlock, SDataCols *pDat
       continue;
     }
 
-    int16_t  tcolId = 0;
+    int16_t  tcolId = PRIMARYKEY_TIMESTAMP_COL_ID;
     uint32_t toffset = TSDB_KEY_COL_OFFSET;
     int32_t  tlen = pBlock->keyLen;
 
diff --git a/source/dnode/vnode/src/vnd/vnodeBufferPool.c b/source/dnode/vnode/src/vnd/vnodeBufferPool.c
index 434498eef59bdbaa1fa95ec7d6c63f262c2057bc..f7a72353eb9d162faa5a67e07603142b986d66bf 100644
--- a/source/dnode/vnode/src/vnd/vnodeBufferPool.c
+++ b/source/dnode/vnode/src/vnd/vnodeBufferPool.c
@@ -185,6 +185,7 @@ static void vBufPoolDestroyMA(SMemAllocatorFactory *pMAF, SMemAllocator *pMA) {
   free(pMA);
   if (--pVMA->_ref.val == 0) {
     TD_DLIST_POP(&(pVnode->pBufPool->incycle), pVMA);
+    vmaReset(pVMA);
     TD_DLIST_APPEND(&(pVnode->pBufPool->free), pVMA);
   }
 }
\ No newline at end of file