diff --git a/src/tsdb/src/tsdbFile.c b/src/tsdb/src/tsdbFile.c
index 63b219ebcb..b22d5fa834 100644
--- a/src/tsdb/src/tsdbFile.c
+++ b/src/tsdb/src/tsdbFile.c
@@ -300,8 +300,8 @@ int tsdbUpdateFileHeader(SFile *pFile, uint32_t version) {
   char buf[TSDB_FILE_HEAD_SIZE] = "\0";
 
   void *pBuf = (void *)buf;
-  taosEncodeFixedU32(pBuf, version);
-  tsdbEncodeSFileInfo(pBuf, &(pFile->info));
+  taosEncodeFixedU32((void *)(&pBuf), version);
+  tsdbEncodeSFileInfo((void *)(&pBuf), &(pFile->info));
 
   taosCalcChecksumAppend(0, (uint8_t *)buf, TSDB_FILE_HEAD_SIZE);
 
diff --git a/src/tsdb/src/tsdbMemTable.c b/src/tsdb/src/tsdbMemTable.c
index 72a1b307de..f2e3407b66 100644
--- a/src/tsdb/src/tsdbMemTable.c
+++ b/src/tsdb/src/tsdbMemTable.c
@@ -161,7 +161,7 @@ int tsdbTakeMemSnapshot(STsdbRepo *pRepo, SMemTable **pMem, SMemTable **pIMem) {
   if (tsdbLockRepo(pRepo) < 0) return -1;
 
   *pMem = pRepo->mem;
-  *pIMem = pRepo->mem;
+  *pIMem = pRepo->imem;
   tsdbRefMemTable(pRepo, *pMem);
   tsdbRefMemTable(pRepo, *pIMem);
 
diff --git a/src/util/src/tkvstore.c b/src/util/src/tkvstore.c
index 1c7d93b307..1ffc86bf5e 100644
--- a/src/util/src/tkvstore.c
+++ b/src/util/src/tkvstore.c
@@ -241,9 +241,9 @@ int tdUpdateKVStoreRecord(SKVStore *pStore, uint64_t uid, void *cont, int contLe
   pStore->info.size += (sizeof(SKVRecord) + contLen);
   SKVRecord *pRecord = taosHashGet(pStore->map, (void *)&uid, sizeof(uid));
   if (pRecord != NULL) {  // just to insert
-    pStore->info.nRecords++;
-  } else {
     pStore->info.tombSize += pRecord->size;
+  } else {
+    pStore->info.nRecords++;
   }
 
   taosHashPut(pStore->map, (void *)(&uid), sizeof(uid), (void *)(&rInfo), sizeof(rInfo));