From f3cc22d611cd447761b55b23ebeeb7f3f69690c6 Mon Sep 17 00:00:00 2001
From: neverteaser <neverteaser@hotmail.com>
Date: Sun, 21 Mar 2021 02:39:07 +0800
Subject: [PATCH] =?UTF-8?q?feat(server):=E6=94=AF=E6=8C=81ipv6=E8=B5=84?=
 =?UTF-8?q?=E4=BA=A7tcp=E6=A3=80=E6=B5=8B=20closed=20#114?=
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---
 server/utils/utils.go | 14 +++++++++-----
 1 file changed, 9 insertions(+), 5 deletions(-)

diff --git a/server/utils/utils.go b/server/utils/utils.go
index dcb7883..c49c9c9 100644
--- a/server/utils/utils.go
+++ b/server/utils/utils.go
@@ -82,13 +82,17 @@ func UUID() string {
 }
 
 func Tcping(ip string, port int) bool {
-	var conn net.Conn
-	var err error
-
-	if conn, err = net.DialTimeout("tcp", ip+":"+strconv.Itoa(port), 2*time.Second); err != nil {
+	var (
+		conn net.Conn
+		err  error
+	)
+	strPort := strconv.Itoa(port)
+	if conn, err = net.DialTimeout("tcp", fmt.Sprintf("[%s]:%s", ip, strPort), 2*time.Second); err != nil {
 		return false
 	}
-	defer conn.Close()
+	defer func() {
+		conn.Close()
+	}()
 	return true
 }