diff --git a/src/tsdb/src/tsdbFS.c b/src/tsdb/src/tsdbFS.c
index 28d7abff3e1397ba56e8b0e92b400573870d5dac..cbff4fbeaa6907c83b5836d6039cbfc23a62168b 100644
--- a/src/tsdb/src/tsdbFS.c
+++ b/src/tsdb/src/tsdbFS.c
@@ -227,6 +227,7 @@ void *tsdbFreeFS(STsdbFS *pfs) {
     pfs->metaCache = NULL;
     pfs->cstatus = tsdbFreeFSStatus(pfs->cstatus);
     pthread_rwlock_destroy(&(pfs->lock));
+    free(pfs);
   }
 
   return NULL;