From a3241613d7f3a2a7eec4dcb4f9ccadfd2802f706 Mon Sep 17 00:00:00 2001
From: dapan1121 <wpan@taosdata.com>
Date: Thu, 27 Jan 2022 13:29:53 +0800
Subject: [PATCH] fix destroy connection issue

---
 source/client/src/clientHb.c | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/source/client/src/clientHb.c b/source/client/src/clientHb.c
index f8957f6fd8..f6c473333c 100644
--- a/source/client/src/clientHb.c
+++ b/source/client/src/clientHb.c
@@ -528,8 +528,12 @@ int hbRegisterConn(SAppHbMgr* pAppHbMgr, int32_t connId, int64_t clusterId, int3
 }
 
 void hbDeregisterConn(SAppHbMgr* pAppHbMgr, SClientHbKey connKey) {
-  taosHashRemove(pAppHbMgr->activeInfo, &connKey, sizeof(SClientHbKey));
-  taosHashRemove(pAppHbMgr->connInfo, &connKey, sizeof(SClientHbKey));
+  int32_t code = 0;
+  code = taosHashRemove(pAppHbMgr->activeInfo, &connKey, sizeof(SClientHbKey));
+  code = taosHashRemove(pAppHbMgr->connInfo, &connKey, sizeof(SClientHbKey));
+  if (code) {
+    return;
+  }
   atomic_sub_fetch_32(&pAppHbMgr->connKeyCnt, 1);
   if (atomic_load_32(&pAppHbMgr->connKeyCnt) <= 0) {
     appHbMgrCleanup(pAppHbMgr);