diff --git a/source/dnode/vnode/src/tsdb/dev/inc/tsdbFile.h b/source/dnode/vnode/src/tsdb/dev/inc/tsdbFile.h
index eae980befe777544ac82fd12465fd03b2b0be558..b16b7af7bb328accc5b528dc0c589cebbc51c9e3 100644
--- a/source/dnode/vnode/src/tsdb/dev/inc/tsdbFile.h
+++ b/source/dnode/vnode/src/tsdb/dev/inc/tsdbFile.h
@@ -25,14 +25,15 @@ extern "C" {
 typedef struct STFile STFile;
 
 typedef enum {
-  TSDB_FTYPE_HEAD = 0,  // .head
-  TSDB_FTYPE_DATA,      // .data
-  TSDB_FTYPE_SMA,       // .sma
-  TSDB_FTYPE_TOMB,      // .tomb
-  TSDB_FTYPE_MAX,       // max
-  TSDB_FTYPE_STT,       // .stt
+  TSDB_FTYPE_HEAD = 0,                   // .head
+  TSDB_FTYPE_DATA,                       // .data
+  TSDB_FTYPE_SMA,                        // .sma
+  TSDB_FTYPE_TOMB,                       // .tomb
+  TSDB_FTYPE_STT = TSDB_FTYPE_TOMB + 2,  // .stt
 } tsdb_ftype_t;
 
+#define TSDB_FTYPE_MAX (TSDB_FTYPE_TOMB + 1)
+
 int32_t tsdbTFileInit(STsdb *pTsdb, STFile *pFile);
 int32_t tsdbTFileClear(STFile *pFile);
 
@@ -49,8 +50,8 @@ struct STFile {
   int32_t      fid;
   union {
     struct {
-      int32_t level;
-      int32_t nSeg;
+      int32_t lvl;
+      int32_t nseg;
     } stt;
   };
 };