diff --git a/src/tsdb/src/tsdbCommit.c b/src/tsdb/src/tsdbCommit.c
index 24f1c1162889ac15810de72e31b70dc2bf3219b0..c43b35492d7a52569b5545a639219ac7fe767068 100644
--- a/src/tsdb/src/tsdbCommit.c
+++ b/src/tsdb/src/tsdbCommit.c
@@ -90,6 +90,9 @@ static int  tsdbApplyRtn(STsdbRepo *pRepo);
 static int  tsdbApplyRtnOnFSet(STsdbRepo *pRepo, SDFileSet *pSet, SRtn *pRtn);
 
 void *tsdbCommitData(STsdbRepo *pRepo) {
+  if (pRepo->imem == NULL) {
+    return NULL;
+  }
   tsdbStartCommit(pRepo);
 
   // Commit to update meta file
diff --git a/src/tsdb/src/tsdbMain.c b/src/tsdb/src/tsdbMain.c
index a8bbd0d69e3feae89af48bd474a92b017ef4f18d..cc2fca420c09520a6a5c1e3d1c04ce8d954ce644 100644
--- a/src/tsdb/src/tsdbMain.c
+++ b/src/tsdb/src/tsdbMain.c
@@ -268,6 +268,12 @@ int32_t tsdbConfigRepo(STsdbRepo *repo, STsdbCfg *pCfg) {
   repo->config_changed = true;
 
   pthread_mutex_unlock(&repo->save_mutex);
+
+  // schedule a commit msg then the new config will be applied immediatly
+  if (tsdbLockRepo(repo) < 0) return -1;
+  tsdbScheduleCommit(repo);
+  if (tsdbUnlockRepo(repo) < 0) return -1;
+
   return 0;
 #if 0
   STsdbRepo *pRepo = (STsdbRepo *)repo;