From d4f7c43bbfd3ad6f9432eff9ed3572aa4e48de56 Mon Sep 17 00:00:00 2001
From: Cary Xu <klxu@taosdata.com>
Date: Sat, 16 Apr 2022 10:53:23 +0800
Subject: [PATCH] code optimization

---
 source/libs/scheduler/src/scheduler.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/source/libs/scheduler/src/scheduler.c b/source/libs/scheduler/src/scheduler.c
index 4e59e1bea6..6cc435fee4 100644
--- a/source/libs/scheduler/src/scheduler.c
+++ b/source/libs/scheduler/src/scheduler.c
@@ -2735,10 +2735,12 @@ void schedulerDestroy(void) {
   if (schMgmt.jobRef) {
     SSchJob *pJob = taosIterateRef(schMgmt.jobRef, 0);
     int64_t refId = 0;
-    
+
     while (pJob) {
       refId = pJob->refId;
-      
+      if (refId == 0) {
+        break;
+      }
       taosRemoveRef(schMgmt.jobRef, pJob->refId);
 
       pJob = taosIterateRef(schMgmt.jobRef, refId);