diff --git a/source/dnode/vnode/src/vnd/vnodeOpen.c b/source/dnode/vnode/src/vnd/vnodeOpen.c
index 583df15533589e40f4cc3ab9c75aee57a97d676d..64546bb4a159152b3fbd472a047a548ee69c99cd 100644
--- a/source/dnode/vnode/src/vnd/vnodeOpen.c
+++ b/source/dnode/vnode/src/vnd/vnodeOpen.c
@@ -144,6 +144,7 @@ int32_t vnodeRenameVgroupId(const char *srcPath, const char *dstPath, int32_t sr
   char tsdbFilePrefix[TSDB_FILENAME_LEN] = {0};
   snprintf(tsdbPath, TSDB_FILENAME_LEN, "%s%stsdb", srcPath, TD_DIRSEP);
   snprintf(tsdbFilePrefix, TSDB_FILENAME_LEN, "tsdb%sv", TD_DIRSEP);
+  int32_t prefixLen = strlen(tsdbFilePrefix);
 
   STfsDir *tsdbDir = tfsOpendir(pTfs, tsdbPath);
   if (tsdbDir == NULL) return 0;
@@ -157,11 +158,11 @@ int32_t vnodeRenameVgroupId(const char *srcPath, const char *dstPath, int32_t sr
     char *tsdbFilePrefixPos = strstr(oldRname, tsdbFilePrefix);
     if (tsdbFilePrefixPos == NULL) continue;
 
-    int32_t tsdbFileVgId = atoi(tsdbFilePrefixPos + 6);
+    int32_t tsdbFileVgId = atoi(tsdbFilePrefixPos + prefixLen);
     if (tsdbFileVgId == srcVgId) {
-      char *tsdbFileSurfixPos = tsdbFilePrefixPos + 6 + vnodeVgroupIdLen(srcVgId);
+      char *tsdbFileSurfixPos = tsdbFilePrefixPos + prefixLen + vnodeVgroupIdLen(srcVgId);
 
-      tsdbFilePrefixPos[6] = 0;
+      tsdbFilePrefixPos[prefixLen] = 0;
       snprintf(newRname, TSDB_FILENAME_LEN, "%s%d%s", oldRname, dstVgId, tsdbFileSurfixPos);
       vInfo("vgId:%d, rename file from %s to %s", dstVgId, tsdbFile->rname, newRname);
 
diff --git a/source/libs/tfs/src/tfs.c b/source/libs/tfs/src/tfs.c
index 88681930fcb801f5c332fd4d8817dea544482f1a..4383c46c173028dd362b15ff3312fd0288c83004 100644
--- a/source/libs/tfs/src/tfs.c
+++ b/source/libs/tfs/src/tfs.c
@@ -318,9 +318,9 @@ int32_t tfsRename(STfs *pTfs, const char *orname, const char *nrname) {
   char oaname[TMPNAME_LEN] = "\0";
   char naname[TMPNAME_LEN] = "\0";
 
-  for (int32_t level = 0; level < pTfs->nlevel; level++) {
+  for (int32_t level = pTfs->nlevel - 1; level >= 0; level--) {
     STfsTier *pTier = TFS_TIER_AT(pTfs, level);
-    for (int32_t id = 0; id < pTier->ndisk; id++) {
+    for (int32_t id = pTier->ndisk - 1; id >= 0; id--) {
       STfsDisk *pDisk = pTier->disks[id];
       snprintf(oaname, TMPNAME_LEN, "%s%s%s", pDisk->path, TD_DIRSEP, orname);
       snprintf(naname, TMPNAME_LEN, "%s%s%s", pDisk->path, TD_DIRSEP, nrname);