From fd7a083139508650cb5235c85543230be0d9c9ef Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E6=A6=86=E6=9C=A8?=
 <43062104+yumusb@users.noreply.github.com>
Date: Sun, 11 Jan 2026 17:55:49 +0800
Subject: [PATCH] =?UTF-8?q?=E7=BD=91=E5=8D=A1IP=E9=87=87=E9=9B=86=E8=BF=87?=
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网卡IP采集过滤本地单播地址，例如 fe80::f816:3eff:fe68:fb57/64、fe80::5054:ff:fe74:1d69/64 等
---
 pkg/agent/audit/asset_network.go | 11 +++++++++++
 pkg/agent/collector/network.go   | 22 +++++++++++++++++-----
 2 files changed, 28 insertions(+), 5 deletions(-)

diff --git a/pkg/agent/audit/asset_network.go b/pkg/agent/audit/asset_network.go
index 90706dd..0e3b36c 100644
--- a/pkg/agent/audit/asset_network.go
+++ b/pkg/agent/audit/asset_network.go
@@ -3,6 +3,7 @@ package audit
 import (
 	"bufio"
 	"fmt"
+	"net"
 	"os"
 	"os/exec"
 	"strings"
@@ -177,6 +178,16 @@ func (nac *NetworkAssetsCollector) collectInterfaces() []protocol.NetworkInterfa
 
 		// 提取IP地址
 		for _, addr := range iface.Addrs {
+			// 过滤 fe80::/10 (Link-Local) 地址
+			ip := net.ParseIP(addr.Addr)
+			if ip == nil {
+				if parsedIP, _, err := net.ParseCIDR(addr.Addr); err == nil {
+					ip = parsedIP
+				}
+			}
+			if ip != nil && ip.IsLinkLocalUnicast() {
+				continue
+			}
 			netInterface.Addresses = append(netInterface.Addresses, addr.Addr)
 		}
 
diff --git a/pkg/agent/collector/network.go b/pkg/agent/collector/network.go
index b012a0f..e5d3f31 100644
--- a/pkg/agent/collector/network.go
+++ b/pkg/agent/collector/network.go
@@ -1,11 +1,12 @@
 package collector
 
 import (
+	"net"
 	"time"
 
 	"github.com/dushixiang/pika/internal/protocol"
 	"github.com/dushixiang/pika/pkg/agent/config"
-	"github.com/shirou/gopsutil/v4/net"
+	gopsutilNet "github.com/shirou/gopsutil/v4/net"
 )
 
 // NetworkCollector 网络监控采集器
@@ -57,6 +58,17 @@ func (n *NetworkCollector) Collect() ([]protocol.NetworkData, error) {
 		// 获取 IP 地址列表
 		var addrs []string
 		for _, addr := range iface.Addrs {
+			// 过滤 fe80::/10 (Link-Local) 地址
+			ip := net.ParseIP(addr.Addr)
+			if ip == nil {
+				// 尝试处理带有 CIDR 的字符串
+				if parsedIP, _, err := net.ParseCIDR(addr.Addr); err == nil {
+					ip = parsedIP
+				}
+			}
+			if ip != nil && ip.IsLinkLocalUnicast() {
+				continue
+			}
 			addrs = append(addrs, addr.Addr)
 		}
 
@@ -68,7 +80,7 @@ func (n *NetworkCollector) Collect() ([]protocol.NetworkData, error) {
 	}
 
 	// 创建第一次采集的统计数据映射
-	firstStatsMap := make(map[string]net.IOCountersStat)
+	firstStatsMap := make(map[string]gopsutilNet.IOCountersStat)
 	for _, counter := range firstCounters {
 		firstStatsMap[counter.Name] = counter
 	}
@@ -113,15 +125,15 @@ func (n *NetworkCollector) Collect() ([]protocol.NetworkData, error) {
 }
 
 // collectOnce 执行一次网络数据采集
-func (n *NetworkCollector) collectOnce() ([]net.IOCountersStat, []net.InterfaceStat, error) {
+func (n *NetworkCollector) collectOnce() ([]gopsutilNet.IOCountersStat, []gopsutilNet.InterfaceStat, error) {
 	// 获取网络接口信息
-	interfaces, err := net.Interfaces()
+	interfaces, err := gopsutilNet.Interfaces()
 	if err != nil {
 		return nil, nil, err
 	}
 
 	// 获取网络 IO 统计
-	ioCounters, err := net.IOCounters(true)
+	ioCounters, err := gopsutilNet.IOCounters(true)
 	if err != nil {
 		return nil, nil, err
 	}