From 7e985dd79c62f3f3d5c26a24701ddb077bd59094 Mon Sep 17 00:00:00 2001
From: holmes1412 <liyingxin1412@gmail.com>
Date: Tue, 6 Jul 2021 17:21:34 +0800
Subject: [PATCH] fix upstream_replace_server

---
 src/nameservice/UpstreamPolicies.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/nameservice/UpstreamPolicies.cc b/src/nameservice/UpstreamPolicies.cc
index f6d79636..ff1f2ad9 100644
--- a/src/nameservice/UpstreamPolicies.cc
+++ b/src/nameservice/UpstreamPolicies.cc
@@ -154,8 +154,8 @@ int UPSGroupPolicy::replace_server(const std::string& address,
 									new UPSAddrParams(params, address));
 
 	pthread_rwlock_wrlock(&this->rwlock);
-	this->add_server_locked(addr);
 	ret = this->remove_server_locked(address);
+	this->add_server_locked(addr);
 	pthread_rwlock_unlock(&this->rwlock);
 	return ret;
 }