From 3cab22bb8768cf7a5a9535642d71084c5a2ddce1 Mon Sep 17 00:00:00 2001
From: hujiebin <iamhujiebin@users.noreply.github.com>
Date: Tue, 21 Mar 2023 16:40:29 +0800
Subject: [PATCH] =?UTF-8?q?panic=20=E4=BF=9D=E6=8A=A4?=
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---
 rpc/user_center.go | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/rpc/user_center.go b/rpc/user_center.go
index 05d3592..118f312 100644
--- a/rpc/user_center.go
+++ b/rpc/user_center.go
@@ -67,7 +67,9 @@ func (b *Builder) UpdateState(addrs []string) {
 	for i, s := range addrs {
 		as[i] = resolver.Address{Addr: s}
 	}
-	b.cc.UpdateState(resolver.State{Addresses: as})
+	if b.cc != nil {
+		_ = b.cc.UpdateState(resolver.State{Addresses: as})
+	}
 }
 
 func init() {
-- 
2.22.0