修复v6tcpping问题

go-gost/x/socket/websocket_reporter.go

@@ -1013,7 +1013,10 @@ func tcpPingHost(ip string, port int, count int, timeoutMs int) (float64, float6
 	var successCount int
 
 	timeout := time.Duration(timeoutMs) * time.Millisecond
-	target := fmt.Sprintf("%s:%d", ip, port)
+
+	// 使用net.JoinHostPort来正确处理IPv4、IPv6和域名
+	// 它会自动为IPv6地址添加方括号
+	target := net.JoinHostPort(ip, fmt.Sprintf("%d", port))
 
 	fmt.Printf("🔍 开始TCP ping测试: %s，次数: %d，超时: %dms\n", target, count, timeoutMs)
 
@@ -1052,8 +1055,6 @@ func tcpPingHost(ip string, port int, count int, timeoutMs int) (float64, float6
 	return avgTime, packetLoss, nil
 }
 
-
-
 // isValidHostname 验证主机名格式
 func isValidHostname(hostname string) bool {
 	if len(hostname) == 0 || len(hostname) > 253 {