diff --git a/include/util/tRealloc.h b/include/util/tRealloc.h
index 8d40f6cc5df71f183a8c8c4c4fcbe2ff12a1bf0f..f3593d5818cd626c7268ec1b721bd961fba3a845 100644
--- a/include/util/tRealloc.h
+++ b/include/util/tRealloc.h
@@ -25,10 +25,11 @@ extern "C" {
 static FORCE_INLINE int32_t tRealloc(uint8_t **ppBuf, int64_t size) {
   int32_t  code = 0;
   int64_t  bsize = 0;
-  uint8_t *pBuf;
+  uint8_t *pBuf = NULL;
 
   if (*ppBuf) {
-    bsize = *(int64_t *)((*ppBuf) - sizeof(int64_t));
+    pBuf = (*ppBuf) - sizeof(int64_t);
+    bsize = *(int64_t *)pBuf;
   }
 
   if (bsize >= size) goto _exit;
@@ -38,7 +39,7 @@ static FORCE_INLINE int32_t tRealloc(uint8_t **ppBuf, int64_t size) {
     bsize *= 2;
   }
 
-  pBuf = (uint8_t *)taosMemoryRealloc(*ppBuf ? (*ppBuf) - sizeof(int64_t) : *ppBuf, bsize + sizeof(int64_t));
+  pBuf = (uint8_t *)taosMemoryRealloc(pBuf, bsize + sizeof(int64_t));
   if (pBuf == NULL) {
     code = TSDB_CODE_OUT_OF_MEMORY;
     goto _exit;
diff --git a/source/dnode/vnode/src/meta/metaTable.c b/source/dnode/vnode/src/meta/metaTable.c
index 72c39634f52aeffe627bf6c9701b0a880130b54d..daf7ccb26ae1091e386dd038aec713f857cb39aa 100644
--- a/source/dnode/vnode/src/meta/metaTable.c
+++ b/source/dnode/vnode/src/meta/metaTable.c
@@ -17,7 +17,6 @@
 
 static int metaSaveJsonVarToIdx(SMeta *pMeta, const SMetaEntry *pCtbEntry, const SSchema *pSchema);
 static int metaDelJsonVarFromIdx(SMeta *pMeta, const SMetaEntry *pCtbEntry, const SSchema *pSchema);
-static int metaHandleEntry(SMeta *pMeta, const SMetaEntry *pME);
 static int metaSaveToTbDb(SMeta *pMeta, const SMetaEntry *pME);
 static int metaUpdateUidIdx(SMeta *pMeta, const SMetaEntry *pME);
 static int metaUpdateNameIdx(SMeta *pMeta, const SMetaEntry *pME);
diff --git a/source/dnode/vnode/src/tsdb/tsdbSnapshot.c b/source/dnode/vnode/src/tsdb/tsdbSnapshot.c
index 54087a787128d2672e9d6d8f29976ffececf3348..2a5c7d949d426d3cc76ebbe99eb6714e10756c16 100644
--- a/source/dnode/vnode/src/tsdb/tsdbSnapshot.c
+++ b/source/dnode/vnode/src/tsdb/tsdbSnapshot.c
@@ -394,6 +394,12 @@ _err:
   return code;
 }
 
+static int32_t tsdbSnapWriteTableData(STsdbSnapWriter* pWriter, uint8_t* pData, uint32_t nData) {
+  int32_t code = 0;
+  // TODO
+  return code;
+}
+
 static int32_t tsdbSnapWriteData(STsdbSnapWriter* pWriter, uint8_t* pData, uint32_t nData) {
   int32_t code = 0;
   STsdb*  pTsdb = pWriter->pTsdb;
@@ -440,47 +446,50 @@ static int32_t tsdbSnapWriteData(STsdbSnapWriter* pWriter, uint8_t* pData, uint3
     taosArrayClear(pWriter->aBlockIdxN);
   }
 
-  // process
-  TABLEID id = {0};    // TODO
-  TSKEY   minKey = 0;  // TODO
-  TSKEY   maxKey = 0;  // TODO
-
-  while (true) {
-    if (pWriter->pBlockIdx) {
-      int32_t c = tTABLEIDCmprFn(&id, pWriter->pBlockIdx);
-
-      if (c == 0) {
-      } else if (c < 0) {
-        // keep merge
-      } else {
-        // code = tsdbSnapWriteTableDataEnd(pWriter);
-        if (code) goto _err;
-
-        pWriter->iBlockIdx++;
-        if (pWriter->iBlockIdx < taosArrayGetSize(pWriter->aBlockIdx)) {
-          pWriter->pBlockIdx = (SBlockIdx*)taosArrayGet(pWriter->aBlockIdx, pWriter->iBlockIdx);
-        } else {
-          pWriter->pBlockIdx = NULL;
-        }
-
-        if (pWriter->pBlockIdx) {
-          code = tsdbReadBlock(pWriter->pDataFReader, pWriter->pBlockIdx, &pWriter->mBlock, NULL);
-          if (code) goto _err;
-        }
-      }
-    } else {
-      int32_t c = tTABLEIDCmprFn(&id, &pWriter->blockIdx);
+  code = tsdbSnapWriteTableData(pWriter, pData, nData);
+  if (code) goto _err;
 
-      if (c == 0) {
-        // merge commit the block data
-      } else if (c > 0) {
-        // code = tsdbSnapWriteTableDataEnd(pWriter);
-        if (code) goto _err;
-      } else {
-        ASSERT(0);
-      }
-    }
-  }
+  // // process
+  // TABLEID id = {0};    // TODO
+  // TSKEY   minKey = 0;  // TODO
+  // TSKEY   maxKey = 0;  // TODO
+
+  // while (true) {
+  //   if (pWriter->pBlockIdx) {
+  //     int32_t c = tTABLEIDCmprFn(&id, pWriter->pBlockIdx);
+
+  //     if (c == 0) {
+  //     } else if (c < 0) {
+  //       // keep merge
+  //     } else {
+  //       // code = tsdbSnapWriteTableDataEnd(pWriter);
+  //       if (code) goto _err;
+
+  //       pWriter->iBlockIdx++;
+  //       if (pWriter->iBlockIdx < taosArrayGetSize(pWriter->aBlockIdx)) {
+  //         pWriter->pBlockIdx = (SBlockIdx*)taosArrayGet(pWriter->aBlockIdx, pWriter->iBlockIdx);
+  //       } else {
+  //         pWriter->pBlockIdx = NULL;
+  //       }
+
+  //       if (pWriter->pBlockIdx) {
+  //         code = tsdbReadBlock(pWriter->pDataFReader, pWriter->pBlockIdx, &pWriter->mBlock, NULL);
+  //         if (code) goto _err;
+  //       }
+  //     }
+  //   } else {
+  //     int32_t c = tTABLEIDCmprFn(&id, &pWriter->blockIdx);
+
+  //     if (c == 0) {
+  //       // merge commit the block data
+  //     } else if (c > 0) {
+  //       // code = tsdbSnapWriteTableDataEnd(pWriter);
+  //       if (code) goto _err;
+  //     } else {
+  //       ASSERT(0);
+  //     }
+  //   }
+  // }
 
   return code;