diff --git a/src/tfs/src/tfs.c b/src/tfs/src/tfs.c
index 36f3b4ee530812a6d6635403648c86377e4b8b2d..e48a3ca3b56cfe557c1cb9cba658376cbb5890c8 100644
--- a/src/tfs/src/tfs.c
+++ b/src/tfs/src/tfs.c
@@ -208,7 +208,7 @@ int tfsopen(TFILE *pf, int flags) {
     tfsIncDiskFile(pf->level, pf->id, 1);
   }
 
-  fd = open(pf->aname, flags);
+  fd = open(pf->aname, flags, 0755);
   if (fd < 0) {
     fError("failed to open file %s since %s", pf->aname, strerror(errno));
     terrno = TAOS_SYSTEM_ERROR(errno);