From 9656dfe172ad239f95d6ddc85c97ee5de3e453c0 Mon Sep 17 00:00:00 2001
From: sjlleo <sjlleo001@gmail.com>
Date: Fri, 27 May 2022 17:19:58 +0800
Subject: [PATCH] =?UTF-8?q?fix:=20=E4=BF=AE=E5=A4=8D=E6=BD=9C=E5=9C=A8?=
 =?UTF-8?q?=E6=95=B0=E7=BB=84=E8=B6=8A=E7=95=8C=E7=9A=84=E9=97=AE=E9=A2=98?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 reporter/reporter.go | 13 +++++++++++--
 1 file changed, 11 insertions(+), 2 deletions(-)

diff --git a/reporter/reporter.go b/reporter/reporter.go
index 3309d4f3..26b5e6ac 100644
--- a/reporter/reporter.go
+++ b/reporter/reporter.go
@@ -130,7 +130,16 @@ func (r *reporter) InitialBaseData() Reporter {
 func (r *reporter) Print() {
 	var beforeActiveTTL uint16 = 0
 	r.InitialBaseData()
-	for i := uint16(1); i < r.targetTTL; i++ {
+	// 尝试首个有效 TTL
+	for i := uint16(0); i < r.targetTTL; i++ {
+		if len(r.routeReport[i]) != 0 {
+			beforeActiveTTL = i
+			// 找到以后便不再循环
+			break
+		}
+	}
+
+	for i := beforeActiveTTL; i < r.targetTTL; i++ {
 		// 计算该TTL内的数据长度，如果为0，则代表没有有效数据
 		if len(r.routeReport[i]) == 0 {
 			// 跳过改跃点的数据整理
@@ -138,7 +147,7 @@ func (r *reporter) Print() {
 		}
 		nodeReport := r.routeReport[i][0]
 
-		if i == 1 {
+		if i == beforeActiveTTL {
 			fmt.Printf("AS%s %s「%s『%s", nodeReport.asn, nodeReport.isp, nodeReport.geo[0], nodeReport.geo[1])
 		} else {
 			nodeReportBefore := r.routeReport[beforeActiveTTL][0]