diff --git a/source/libs/tdb/src/db/tdbPager.c b/source/libs/tdb/src/db/tdbPager.c
index 4fac00d5ad346bee5bdadec9a086661ae6805700..748633da34354ba33e0cacd8f4dc7adbaa25b70c 100644
--- a/source/libs/tdb/src/db/tdbPager.c
+++ b/source/libs/tdb/src/db/tdbPager.c
@@ -80,7 +80,7 @@ int tdbPagerOpen(SPCache *pCache, const char *fileName, SPager **ppPager) {
   // pPager->pCache
   pPager->pCache = pCache;
 
-  pPager->fd = tdbOsOpen(pPager->dbFileName, O_RDWR | O_CREAT);
+  pPager->fd = tdbOsOpen(pPager->dbFileName, TDB_O_CREAT | TDB_O_RDWR, 0755);
   if (pPager->fd < 0) {
     return -1;
   }
@@ -168,7 +168,7 @@ int tdbPagerBegin(SPager *pPager) {
   }
 
   // Open the journal
-  pPager->jfd = tdbOsOpen(pPager->jFileName, O_RDWR | O_CREAT);
+  pPager->jfd = tdbOsOpen(pPager->jFileName, TDB_O_CREAT | TDB_O_RDWR, 0755);
   if (pPager->jfd < 0) {
     return -1;
   }
diff --git a/source/libs/tdb/src/inc/tdbOs.h b/source/libs/tdb/src/inc/tdbOs.h
index 751c105913c66a311ea8b46c753c0561ee523c64..bc610917f64d26ee23950e8296c5e1a4202b5a96 100644
--- a/source/libs/tdb/src/inc/tdbOs.h
+++ b/source/libs/tdb/src/inc/tdbOs.h
@@ -46,7 +46,15 @@ extern "C" {
 /* file */
 typedef TdFilePtr tdb_fd_t;
 
-#define tdbOsOpen      taosOpenFile
+#define TDB_O_CREAT TD_FILE_CTEATE
+#define TDB_O_WRITE  TD_FILE_WRITE
+#define TDB_O_READ   TD_FILE_READ
+#define TDB_O_TRUNC  TD_FILE_TRUNC
+#define TDB_O_APPEND TD_FILE_APPEND
+#define TDB_O_RDWR   (TD_FILE_WRITE) | (TD_FILE_READ)
+
+#define tdbOsOpen(PATH, OPTION, MODE) taosOpenFile((PATH), (OPTION))
+
 #define tdbOsClose(FD) taosCloseFile(&(FD))
 #define tdbOsRead      taosReadFile
 #define tdbOsPRead     taosPReadFile
@@ -64,7 +72,15 @@ typedef TdFilePtr tdb_fd_t;
 /* file */
 typedef int tdb_fd_t;
 
-#define tdbOsOpen  open
+#define TDB_O_CREAT O_CREAT
+#define TDB_O_WRITE  O_WRONLY
+#define TDB_O_READ   O_RDONLY
+#define TDB_O_TRUNC  O_TRUNC
+#define TDB_O_APPEND O_APPEND
+#define TDB_O_RDWR   O_RDWR
+
+#define tdbOsOpen(PATH, OPTION, MODE) open((PATH), (OPTION), (MODE))
+
 #define tdbOsClose close
 
 i64 tdbOsRead(tdb_fd_t fd, void *pData, i64 nBytes);