diff --git a/source/dnode/vnode/src/tsdb/dev/inc/tsdbFSet.h b/source/dnode/vnode/src/tsdb/dev/inc/tsdbFSet.h
index ec6a0c8ba9..272235c2df 100644
--- a/source/dnode/vnode/src/tsdb/dev/inc/tsdbFSet.h
+++ b/source/dnode/vnode/src/tsdb/dev/inc/tsdbFSet.h
@@ -33,9 +33,10 @@ typedef enum {
   TSDB_FOP_TRUNCATE,
 } tsdb_fop_t;
 
+int32_t tsdbFileSetToJson(const STFileSet *fset, cJSON *json);
+
 int32_t tsdbFileSetCreate(int32_t fid, STFileSet **ppSet);
 int32_t tsdbFileSetEdit(STFileSet *pSet, SFileOp *pOp);
-int32_t tsdbFileSetToJson(SJson *pJson, const STFileSet *pSet);
 int32_t tsdbEditFileSet(STFileSet *pFileSet, const SFileOp *pOp);
 
 struct SFileOp {
@@ -48,8 +49,8 @@ struct SFileOp {
 typedef struct SSttLvl {
   LISTD(struct SSttLvl) listNode;
   int32_t lvl;   // level
-  int32_t nStt;  // number of .stt files on this level
-  STFile *fStt;  // .stt files
+  int32_t nstt;  // number of .stt files on this level
+  STFile *fstt;  // .stt files
 } SSttLvl;
 
 struct STFileSet {
diff --git a/source/dnode/vnode/src/tsdb/dev/inc/tsdbFile.h b/source/dnode/vnode/src/tsdb/dev/inc/tsdbFile.h
index b16b7af7bb..2d8d4b15d8 100644
--- a/source/dnode/vnode/src/tsdb/dev/inc/tsdbFile.h
+++ b/source/dnode/vnode/src/tsdb/dev/inc/tsdbFile.h
@@ -32,22 +32,25 @@ typedef enum {
   TSDB_FTYPE_STT = TSDB_FTYPE_TOMB + 2,  // .stt
 } tsdb_ftype_t;
 
+#define TSDB_FTYPE_MIN TSDB_FTYPE_HEAD
 #define TSDB_FTYPE_MAX (TSDB_FTYPE_TOMB + 1)
 
+int32_t tsdbTFileToJson(const STFile *f, cJSON *json);
+
 int32_t tsdbTFileInit(STsdb *pTsdb, STFile *pFile);
 int32_t tsdbTFileClear(STFile *pFile);
 
 struct STFile {
   LISTD(STFile) listNode;
+  char    fname[TSDB_FILENAME_LEN];
+  int32_t ref;
+  int32_t state;
 
-  char         fname[TSDB_FILENAME_LEN];
-  int32_t      ref;
-  int32_t      state;
   tsdb_ftype_t type;
   SDiskID      did;
-  int64_t      size;
-  int64_t      cid;
   int32_t      fid;
+  int64_t      cid;
+  int64_t      size;
   union {
     struct {
       int32_t lvl;
diff --git a/source/dnode/vnode/src/tsdb/dev/tsdbFS.c b/source/dnode/vnode/src/tsdb/dev/tsdbFS.c
index 508fb6596e..47d00672d2 100644
--- a/source/dnode/vnode/src/tsdb/dev/tsdbFS.c
+++ b/source/dnode/vnode/src/tsdb/dev/tsdbFS.c
@@ -27,8 +27,8 @@ enum {
 
 typedef enum {
   TSDB_FCURRENT = 1,
-  TSDB_FCURRENT_C,
-  TSDB_FCURRENT_M,
+  TSDB_FCURRENT_C,  // for commit
+  TSDB_FCURRENT_M,  // for merge
 } EFCurrentT;
 
 static const char *gCurrentFname[] = {
@@ -91,69 +91,6 @@ static int32_t current_fname(STsdb *pTsdb, char *fname, EFCurrentT ftype) {
   return 0;
 }
 
-static int32_t fs_to_json_str(STFileSystem *pFS, char **ppData) {
-  int32_t code = 0;
-  int32_t lino;
-
-  cJSON *pJson = cJSON_CreateObject();
-  if (pJson == NULL) {
-    return TSDB_CODE_OUT_OF_MEMORY;
-  }
-
-  /* format version */
-  TSDB_CHECK_NULL(                        //
-      cJSON_AddNumberToObject(pJson,      //
-                              "version",  //
-                              1 /* TODO */),
-      code,   //
-      lino,   //
-      _exit,  //
-      TSDB_CODE_OUT_OF_MEMORY);
-
-  /* next edit id */
-  TSDB_CHECK_NULL(                        //
-      cJSON_AddNumberToObject(pJson,      //
-                              "edit id",  //
-                              pFS->nextEditId),
-      code,   //
-      lino,   //
-      _exit,  //
-      TSDB_CODE_OUT_OF_MEMORY);
-
-  /* file sets */
-  cJSON *aFileSetJson;
-  TSDB_CHECK_NULL(                                                //
-      aFileSetJson = cJSON_AddArrayToObject(pJson, "file sets"),  //
-      code,                                                       //
-      lino,                                                       //
-      _exit,                                                      //
-      TSDB_CODE_OUT_OF_MEMORY);
-
-  for (int32_t i = 0; i < taosArrayGetSize(pFS->nstate); i++) {
-    struct STFileSet *pFileSet = taosArrayGet(pFS->nstate, i);
-
-    code = tsdbFileSetToJson(aFileSetJson, pFileSet);
-    TSDB_CHECK_CODE(code, lino, _exit);
-  }
-
-  ppData[0] = cJSON_Print(pJson);
-  if (ppData[0] == NULL) {
-    code = TSDB_CODE_OUT_OF_MEMORY;
-    TSDB_CHECK_CODE(code, lino, _exit);
-  }
-
-_exit:
-  cJSON_Delete(pJson);
-  if (code) {
-    tsdbError("vgId:%d %s failed at line %d since %s",  //
-              TD_VID(pFS->pTsdb->pVnode),               //
-              __func__,                                 //
-              lino,                                     //
-              tstrerror(code));
-  }
-  return code;
-}
-
 static int32_t fs_from_json_str(const char *pData, STFileSystem *pFS) {
   int32_t code = 0;
   int32_t lino;
@@ -164,58 +101,87 @@ _exit:
   return code;
 }
 
-static int32_t save_fs_to_file(STFileSystem *pFS, const char *fname) {
-  int32_t code = 0;
-  int32_t lino;
-  char   *pData = NULL;
+static int32_t save_json(const cJSON *json, const char *fname) {
+  int32_t code;
 
-  // to json string
-  code = fs_to_json_str(pFS, &pData);
-  TSDB_CHECK_CODE(code, lino, _exit);
+  char *data = cJSON_Print(json);
+  if (data == NULL) return TSDB_CODE_OUT_OF_MEMORY;
 
-  TdFilePtr fd = taosOpenFile(fname,                //
-                              TD_FILE_WRITE         //
-                                  | TD_FILE_CREATE  //
-                                  | TD_FILE_TRUNC);
-  if (fd == NULL) {
+  TdFilePtr fp = taosOpenFile(fname, TD_FILE_WRITE | TD_FILE_CREATE | TD_FILE_TRUNC);
+  if (fp == NULL) {
     code = TAOS_SYSTEM_ERROR(code);
-    TSDB_CHECK_CODE(code, lino, _exit);
+    goto _exit;
   }
 
-  int64_t n = taosWriteFile(fd, pData, strlen(pData) + 1);
-  if (n < 0) {
+  if (taosWriteFile(fp, data, strlen(data) + 1) < 0) {
     code = TAOS_SYSTEM_ERROR(code);
-    taosCloseFile(&fd);
-    TSDB_CHECK_CODE(code, lino, _exit);
+    goto _exit;
   }
 
-  if (taosFsyncFile(fd) < 0) {
+  if (taosFsyncFile(fp) < 0) {
     code = TAOS_SYSTEM_ERROR(code);
-    taosCloseFile(&fd);
-    TSDB_CHECK_CODE(code, lino, _exit);
+    goto _exit;
   }
 
-  taosCloseFile(&fd);
+  taosCloseFile(&fp);
 
 _exit:
-  if (code) {
-    tsdbError("vgId:%d %s failed at line %d since %s",  //
-              TD_VID(pFS->pTsdb->pVnode),               //
-              __func__,                                 //
-              lino,                                     //
-              tstrerror(code));
-  } else {
-    tsdbDebug("vgId:%d %s success",        //
-              TD_VID(pFS->pTsdb->pVnode),  //
-              __func__);
-  }
-  if (pData) {
-    taosMemoryFree(pData);
-  }
+  taosMemoryFree(data);
   return code;
 }
 
-static int32_t load_fs_from_file(const char *fname, STFileSystem *pFS) {
+static int32_t save_fs(int64_t eid, SArray *aTFileSet, const char *fname) {
+  int32_t code = 0;
+  int32_t lino = 0;
+
+  cJSON *json = cJSON_CreateObject();
+  if (json == NULL) return TSDB_CODE_OUT_OF_MEMORY;
+
+  // fmtv
+  if (cJSON_AddNumberToObject(json, "fmtv", 1) == NULL) {
+    code = TSDB_CODE_OUT_OF_MEMORY;
+    TSDB_CHECK_CODE(code, lino, _exit)
+  }
+
+  // eid
+  if (cJSON_AddNumberToObject(json, "eid", eid) == NULL) {
+    code = TSDB_CODE_OUT_OF_MEMORY;
+    TSDB_CHECK_CODE(code, lino, _exit)
+  }
+
+  // fset
+  cJSON *ajson = cJSON_AddArrayToObject(json, "fset");
+  if (ajson == NULL) {
+    code = TSDB_CODE_OUT_OF_MEMORY;
+    TSDB_CHECK_CODE(code, lino, _exit)
+  }
+  for (int32_t i = 0; i < taosArrayGetSize(aTFileSet); i++) {
+    STFileSet *pFileSet = (STFileSet *)taosArrayGet(aTFileSet, i);
+
+    cJSON *tjson = cJSON_CreateObject();
+    if (tjson == NULL) {
+      code = TSDB_CODE_OUT_OF_MEMORY;
+      TSDB_CHECK_CODE(code, lino, _exit)
+    }
+
+    code = tsdbFileSetToJson(pFileSet, tjson);
+    TSDB_CHECK_CODE(code, lino, _exit);
+
+    cJSON_AddItemToArray(ajson, tjson);
+  }
+
+  code = save_json(json, fname);
+  TSDB_CHECK_CODE(code, lino, _exit)
+
+_exit:
+  if (code) {
+    tsdbError("%s failed at line %d since %s", __func__, lino, tstrerror(code));
+  }
+  cJSON_Delete(json);
+  return code;
+}
+
+static int32_t load_fs(const char *fname, STFileSystem *pFS) {
   ASSERTS(0, "TODO: Not implemented yet");
   return 0;
 }
@@ -280,10 +246,10 @@ static int32_t open_fs(STFileSystem *pFS, int8_t rollback) {
 
   current_fname(pTsdb, fCurrent, TSDB_FCURRENT);
   current_fname(pTsdb, cCurrent, TSDB_FCURRENT_C);
-  current_fname(pTsdb, mCurrent, TSDB_FCURRENT_C);
+  current_fname(pTsdb, mCurrent, TSDB_FCURRENT_M);
 
   if (taosCheckExistFile(fCurrent)) {  // current.json exists
-    code = load_fs_from_file(fCurrent, pFS);
+    code = load_fs(fCurrent, pFS);
     TSDB_CHECK_CODE(code, lino, _exit);
 
     // check current.json.commit existence
@@ -302,17 +268,17 @@ static int32_t open_fs(STFileSystem *pFS, int8_t rollback) {
       code = abort_edit(pFS, TSDB_FS_EDIT_MERGE);
       TSDB_CHECK_CODE(code, lino, _exit);
     }
+
+    code = scan_file_system(pFS);
+    TSDB_CHECK_CODE(code, lino, _exit);
+
+    code = scan_and_schedule_merge(pFS);
+    TSDB_CHECK_CODE(code, lino, _exit);
   } else {
-    code = save_fs_to_file(pFS, fCurrent);
+    code = save_fs(0, pFS->nstate, fCurrent);
     TSDB_CHECK_CODE(code, lino, _exit);
   }
 
-  code = scan_file_system(pFS);
-  TSDB_CHECK_CODE(code, lino, _exit);
-
-  code = scan_and_schedule_merge(pFS);
-  TSDB_CHECK_CODE(code, lino, _exit);
-
 _exit:
   if (code) {
     tsdbError("vgId:%d %s failed at line %d since %s", TD_VID(pTsdb->pVnode), __func__, lino, tstrerror(code));
@@ -427,19 +393,19 @@ int32_t tsdbFileSystemEditBegin(STFileSystem *pFS, const SArray *aFileOp, tsdb_f
   int32_t lino;
   char    fname[TSDB_FILENAME_LEN];
 
-  current_fname(pFS->pTsdb, fname, etype == TSDB_FS_EDIT_COMMIT ? TSDB_FCURRENT_C : TSDB_FCURRENT_M);
+  // current_fname(pFS->pTsdb, fname, etype == TSDB_FS_EDIT_COMMIT ? TSDB_FCURRENT_C : TSDB_FCURRENT_M);
 
-  tsem_wait(&pFS->canEdit);
+  // tsem_wait(&pFS->canEdit);
 
-  TSDB_CHECK_CODE(                   //
-      code = edit_fs(pFS, aFileOp),  //
-      lino,                          //
-      _exit);
+  // TSDB_CHECK_CODE(                   //
+  //     code = edit_fs(pFS, aFileOp),  //
+  //     lino,                          //
+  //     _exit);
 
-  TSDB_CHECK_CODE(                         //
-      code = save_fs_to_file(pFS, fname),  //
-      lino,                                //
-      _exit);
+  // TSDB_CHECK_CODE(                 //
+  //     code = save_fs(pFS, fname),  //
+  //     lino,                        //
+  //     _exit);
 
 _exit:
   if (code) {
diff --git a/source/dnode/vnode/src/tsdb/dev/tsdbFSet.c b/source/dnode/vnode/src/tsdb/dev/tsdbFSet.c
index d438ce2995..d6af8e8877 100644
--- a/source/dnode/vnode/src/tsdb/dev/tsdbFSet.c
+++ b/source/dnode/vnode/src/tsdb/dev/tsdbFSet.c
@@ -15,6 +15,29 @@
 
 #include "inc/tsdbFSet.h"
 
+static int32_t stt_lvl_to_json(const SSttLvl *lvl, cJSON *json) {
+  if (cJSON_AddNumberToObject(json, "lvl", lvl->lvl) == NULL) {
+    return TSDB_CODE_OUT_OF_MEMORY;
+  }
+
+  cJSON *arr = cJSON_AddArrayToObject(json, "stt");
+  if (arr == NULL) return TSDB_CODE_OUT_OF_MEMORY;
+
+  // TODO: .stt files
+  // STFile *f;
+  // LISTD_FOREACH(&lvl->fstt, f, listNode) {
+  //   cJSON *item = cJSON_CreateObject();
+  //   if (item == NULL) return TSDB_CODE_OUT_OF_MEMORY;
+
+  //   int32_t code = tsdbTFileToJson(f, item);
+  //   if (code) return code;
+
+  //   cJSON_AddItemToArray(arr, item);
+  // }
+
+  return 0;
+}
+
 int32_t tsdbFileSetCreate(int32_t fid, struct STFileSet **ppSet) {
   int32_t code = 0;
 
@@ -36,13 +59,39 @@ int32_t tsdbFileSetEdit(struct STFileSet *pSet, struct SFileOp *pOp) {
   return code;
 }
 
-int32_t tsdbFileSetToJson(SJson *pJson, const struct STFileSet *pSet) {
+int32_t tsdbFileSetToJson(const STFileSet *fset, cJSON *json) {
   int32_t code = 0;
 
-  ASSERTS(0, "TODO: Not implemented yet");
+  // fid
+  if (cJSON_AddNumberToObject(json, "fid", fset->fid) == NULL) {
+    return TSDB_CODE_OUT_OF_MEMORY;
+  }
 
-_exit:
-  return code;
+  for (int32_t ftype = TSDB_FTYPE_MIN; ftype < TSDB_FTYPE_MAX; ++ftype) {
+    if (fset->farr[ftype] == NULL) {
+      continue;
+    }
+
+    code = tsdbTFileToJson(fset->farr[ftype], json);
+    if (code) return code;
+  }
+
+  // each level
+  cJSON *ajson = cJSON_AddArrayToObject(json, "stt");
+  if (ajson == NULL) return TSDB_CODE_OUT_OF_MEMORY;
+
+  SSttLvl *sttLvl;
+  LISTD_FOREACH(&fset->lvl0, sttLvl, listNode) {
+    cJSON *ljson = cJSON_CreateObject();
+    if (ljson == NULL) return TSDB_CODE_OUT_OF_MEMORY;
+
+    code = stt_lvl_to_json(sttLvl, ljson);
+    if (code) return code;
+
+    cJSON_AddItemToArray(ajson, ljson);
+  }
+
+  return 0;
 }
 
 int32_t tsdbEditFileSet(struct STFileSet *pFileSet, const struct SFileOp *pOp) {
diff --git a/source/dnode/vnode/src/tsdb/dev/tsdbFile.c b/source/dnode/vnode/src/tsdb/dev/tsdbFile.c
index 3667bfce89..58ad4b1f93 100644
--- a/source/dnode/vnode/src/tsdb/dev/tsdbFile.c
+++ b/source/dnode/vnode/src/tsdb/dev/tsdbFile.c
@@ -15,41 +15,96 @@
 
 #include "inc/tsdbFile.h"
 
-const char *tsdb_ftype_suffix[] = {
-    [TSDB_FTYPE_HEAD] = ".head",  //
-    [TSDB_FTYPE_DATA] = ".data",  //
-    [TSDB_FTYPE_SMA] = ".sma",    //
-    [TSDB_FTYPE_TOMB] = ".tomb",  //
-    [TSDB_FTYPE_MAX] = NULL,      //
-    [TSDB_FTYPE_STT] = ".stt",
+static int32_t head_to_json(const STFile *file, cJSON *json);
+static int32_t data_to_json(const STFile *file, cJSON *json);
+static int32_t sma_to_json(const STFile *file, cJSON *json);
+static int32_t tomb_to_json(const STFile *file, cJSON *json);
+static int32_t stt_to_json(const STFile *file, cJSON *json);
+
+static const struct {
+  const char *suffix;
+  int32_t (*to_json)(const STFile *file, cJSON *json);
+} g_tfile_info[] = {
+    [TSDB_FTYPE_HEAD] = {"head", head_to_json},  //
+    [TSDB_FTYPE_DATA] = {"data", data_to_json},  //
+    [TSDB_FTYPE_SMA] = {"sma", sma_to_json},     //
+    [TSDB_FTYPE_TOMB] = {"tomb", tomb_to_json},  //
+    [TSDB_FTYPE_STT] = {"stt", stt_to_json},
 };
 
+static int32_t tfile_to_json(const STFile *file, cJSON *json) {
+  if (cJSON_AddNumberToObject(json, "did.level", file->did.level) == NULL) {
+    return TSDB_CODE_OUT_OF_MEMORY;
+  }
+
+  if (cJSON_AddNumberToObject(json, "did.id", file->did.id) == NULL) {
+    return TSDB_CODE_OUT_OF_MEMORY;
+  }
+
+  if (cJSON_AddNumberToObject(json, "fid", file->fid) == NULL) {
+    return TSDB_CODE_OUT_OF_MEMORY;
+  }
+
+  if (cJSON_AddNumberToObject(json, "cid", file->cid) == NULL) {
+    return TSDB_CODE_OUT_OF_MEMORY;
+  }
+
+  if (cJSON_AddNumberToObject(json, "size", file->size) == NULL) {
+    return TSDB_CODE_OUT_OF_MEMORY;
+  }
+
+  return 0;
+}
+
+static int32_t head_to_json(const STFile *file, cJSON *json) { return tfile_to_json(file, json); }
+
+static int32_t data_to_json(const STFile *file, cJSON *json) { return tfile_to_json(file, json); }
+
+static int32_t sma_to_json(const STFile *file, cJSON *json) { return tfile_to_json(file, json); }
+
+static int32_t tomb_to_json(const STFile *file, cJSON *json) { return tfile_to_json(file, json); }
+
+static int32_t stt_to_json(const STFile *file, cJSON *json) {
+  int32_t code = tfile_to_json(file, json);
+  if (code) return code;
+
+  if (cJSON_AddNumberToObject(json, "lvl", file->stt.lvl) == NULL) {
+    return TSDB_CODE_OUT_OF_MEMORY;
+  }
+
+  if (cJSON_AddNumberToObject(json, "nseg", file->stt.nseg) == NULL) {
+    return TSDB_CODE_OUT_OF_MEMORY;
+  }
+
+  return 0;
+}
+
 int32_t tsdbTFileInit(STsdb *pTsdb, STFile *pFile) {
   SVnode *pVnode = pTsdb->pVnode;
   STfs   *pTfs = pVnode->pTfs;
 
   if (pTfs) {
-    snprintf(pFile->fname,                      //
-             TSDB_FILENAME_LEN,                 //
-             "%s%s%s%sv%df%dver%" PRId64 "%s",  //
-             tfsGetDiskPath(pTfs, pFile->did),  //
-             TD_DIRSEP,                         //
-             pTsdb->path,                       //
-             TD_DIRSEP,                         //
-             TD_VID(pVnode),                    //
-             pFile->fid,                        //
-             pFile->cid,                        //
-             tsdb_ftype_suffix[pFile->type]);
+    snprintf(pFile->fname,                       //
+             TSDB_FILENAME_LEN,                  //
+             "%s%s%s%sv%df%dver%" PRId64 ".%s",  //
+             tfsGetDiskPath(pTfs, pFile->did),   //
+             TD_DIRSEP,                          //
+             pTsdb->path,                        //
+             TD_DIRSEP,                          //
+             TD_VID(pVnode),                     //
+             pFile->fid,                         //
+             pFile->cid,                         //
+             g_tfile_info[pFile->type].suffix);
   } else {
-    snprintf(pFile->fname,                  //
-             TSDB_FILENAME_LEN,             //
-             "%s%sv%df%dver%" PRId64 "%s",  //
-             pTsdb->path,                   //
-             TD_DIRSEP,                     //
-             TD_VID(pVnode),                //
-             pFile->fid,                    //
-             pFile->cid,                    //
-             tsdb_ftype_suffix[pFile->type]);
+    snprintf(pFile->fname,                   //
+             TSDB_FILENAME_LEN,              //
+             "%s%sv%df%dver%" PRId64 ".%s",  //
+             pTsdb->path,                    //
+             TD_DIRSEP,                      //
+             TD_VID(pVnode),                 //
+             pFile->fid,                     //
+             pFile->cid,                     //
+             g_tfile_info[pFile->type].suffix);
   }
   pFile->ref = 1;
   return 0;
@@ -58,4 +113,11 @@ int32_t tsdbTFileInit(STsdb *pTsdb, STFile *pFile) {
 int32_t tsdbTFileClear(STFile *pFile) {
   // TODO
   return 0;
+}
+
+int32_t tsdbTFileToJson(const STFile *file, cJSON *json) {
+  cJSON *tjson = cJSON_AddObjectToObject(json, g_tfile_info[file->type].suffix);
+  if (tjson == NULL) return TSDB_CODE_OUT_OF_MEMORY;
+
+  return g_tfile_info[file->type].to_json(file, tjson);
 }
\ No newline at end of file
diff --git a/source/dnode/vnode/src/tsdb/tsdbFS.c b/source/dnode/vnode/src/tsdb/tsdbFS.c
index 957173d515..db8b9567a7 100644
--- a/source/dnode/vnode/src/tsdb/tsdbFS.c
+++ b/source/dnode/vnode/src/tsdb/tsdbFS.c
@@ -290,7 +290,7 @@ static void tsdbGetCurrentFName(STsdb *pTsdb, char *current, char *current_t) {
   }
 }
 
-static int32_t load_fs_from_file(const char *fname, STsdbFS *pFS) {
+static int32_t load_fs(const char *fname, STsdbFS *pFS) {
   int32_t  code = 0;
   int32_t  lino = 0;
   uint8_t *pData = NULL;
@@ -724,7 +724,7 @@ int32_t tsdbFSCommit(STsdb *pTsdb) {
   code = tsdbFSCreate(&fs);
   TSDB_CHECK_CODE(code, lino, _exit);
 
-  code = load_fs_from_file(current, &fs);
+  code = load_fs(current, &fs);
   TSDB_CHECK_CODE(code, lino, _exit);
 
   // apply file change
@@ -769,7 +769,7 @@ int32_t tsdbFSOpen(STsdb *pTsdb, int8_t rollback) {
   tsdbGetCurrentFName(pTsdb, current, current_t);
 
   if (taosCheckExistFile(current)) {
-    code = load_fs_from_file(current, &pTsdb->fs);
+    code = load_fs(current, &pTsdb->fs);
     TSDB_CHECK_CODE(code, lino, _exit);
 
     if (taosCheckExistFile(current_t)) {