fix(tsdb): checksum checking shall skip page 1 when loading

source/dnode/vnode/src/tsdb/tsdbReaderWriter.c

@@ -124,7 +124,7 @@ static int32_t tsdbReadFilePage(STsdbFD *pFD, int64_t pgno) {
   }
 
   // check
-  if (!taosCheckChecksumWhole(pFD->pBuf, pFD->szPage)) {
+  if (pgno > 1 && !taosCheckChecksumWhole(pFD->pBuf, pFD->szPage)) {
     code = TSDB_CODE_FILE_CORRUPTED;
     goto _exit;
   }
@@ -1588,4 +1588,4 @@ int32_t tsdbReadDelIdx(SDelFReader *pReader, SArray *aDelIdx) {
 _err:
   tsdbError("vgId:%d, read del idx failed since %s", TD_VID(pReader->pTsdb->pVnode), tstrerror(code));
   return code;
-}
\ No newline at end of file
+}