From bc40bdc04dc1cd3ccdc9e9c369170799b7e02d3e Mon Sep 17 00:00:00 2001
From: Akizon <64686663+Akizon77@users.noreply.github.com>
Date: Thu, 9 Oct 2025 20:38:21 +0800
Subject: [PATCH] Fix regex for extracting IPv6 addresses

Updated regex to allow for zero-length groups in IPv6 address extraction.
---
 monitoring/unit/ip.go | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/monitoring/unit/ip.go b/monitoring/unit/ip.go
index 4391e25..2dfba47 100644
--- a/monitoring/unit/ip.go
+++ b/monitoring/unit/ip.go
@@ -108,7 +108,7 @@ func GetIPv6Address() (string, error) {
 		}
 
 		// 使用正则表达式从响应体中提取IPv6地址
-		re := regexp.MustCompile(`(([0-9A-Fa-f]{1,4}:){7})([0-9A-Fa-f]{1,4})|(([0-9A-Fa-f]{1,4}:){1,6}:)(([0-9A-Fa-f]{1,4}:){0,4})([0-9A-Fa-f]{1,4})`)
+		re := regexp.MustCompile(`(([0-9A-Fa-f]{1,4}:){7})([0-9A-Fa-f]{1,4})|(([0-9A-Fa-f]{1,4}:){1,6}:)(([0-9A-Fa-f]{1,4}:){0,4})([0-9A-Fa-f]{0,4})`)
 		ipv6 := re.FindString(string(body))
 		if ipv6 != "" {
 			log.Printf("Get IPV6 Success:  %s", ipv6)