From c56a90cb0cefb3120f87b17681a649ce0b6e3fd5 Mon Sep 17 00:00:00 2001
From: gVisor bot <gvisor-bot@google.com>
Date: Sun, 6 Jan 2019 14:31:42 +0800
Subject: [PATCH] Fix: print log when start dns server failed (#87)

---
 hub/executor/executor.go | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/hub/executor/executor.go b/hub/executor/executor.go
index fb6372e3..116b0dd8 100644
--- a/hub/executor/executor.go
+++ b/hub/executor/executor.go
@@ -55,7 +55,9 @@ func updateDNS(c *config.DNS) {
 		EnhancedMode: c.EnhancedMode,
 	})
 	T.Instance().SetResolver(r)
-	dns.ReCreateServer(c.Listen, r)
+	if err := dns.ReCreateServer(c.Listen, r); err != nil {
+		log.Errorln("Start DNS server error: %s", err.Error())
+	}
 }
 
 func updateProxies(proxies map[string]C.Proxy) {