diff --git a/src/tsdb/inc/tsdbFile.h b/src/tsdb/inc/tsdbFile.h
index d6d2840530053b622067a4a047917141ee9e5774..af57139f829927f9b0eacdcda60e64f521483ff5 100644
--- a/src/tsdb/inc/tsdbFile.h
+++ b/src/tsdb/inc/tsdbFile.h
@@ -131,7 +131,7 @@ static FORCE_INLINE int tsdbAppendMFile(SMFile* pMFile, void* buf, int64_t nbyte
 
   pMFile->info.size += nbyte;
 
-  return 0;
+  return nbyte;
 }
 
 static FORCE_INLINE int tsdbRemoveMFile(SMFile* pMFile) { return tfsremove(TSDB_FILE_F(pMFile)); }
@@ -242,7 +242,7 @@ static FORCE_INLINE int tsdbAppendDFile(SDFile* pDFile, void* buf, int64_t nbyte
 
   pDFile->info.size += nbyte;
 
-  return 0;
+  return nbyte;
 }
 
 static FORCE_INLINE int tsdbRemoveDFile(SDFile* pDFile) { return tfsremove(TSDB_FILE_F(pDFile)); }