From 2408f1df04ad9128ee31a013799f5790dbda5cb3 Mon Sep 17 00:00:00 2001
From: fatedier <fatedier@gmail.com>
Date: Thu, 22 Apr 2021 18:33:10 +0800
Subject: [PATCH] frpc: fix that login_fail_exit invalid if `protocol=kcp`
 (#2363)

---
 cmd/frpc/sub/root.go | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/cmd/frpc/sub/root.go b/cmd/frpc/sub/root.go
index 55aba849..3c2c8d9e 100644
--- a/cmd/frpc/sub/root.go
+++ b/cmd/frpc/sub/root.go
@@ -234,7 +234,7 @@ func startService(
 	}
 
 	err = svr.Run()
-	if cfg.Protocol == "kcp" {
+	if err == nil && cfg.Protocol == "kcp" {
 		<-kcpDoneCh
 	}
 	return