diff --git a/cmd/flags/flag.go b/cmd/flags/flag.go
index fc00d88..bf2a34d 100644
--- a/cmd/flags/flag.go
+++ b/cmd/flags/flag.go
@@ -11,4 +11,6 @@ var (
 	MaxRetries          int
 	ReconnectInterval   int
 	InfoReportInterval  int
+	IncludeNics         string
+	ExcludeNics         string
 )
diff --git a/cmd/root.go b/cmd/root.go
index 8ede6df..a1e904e 100644
--- a/cmd/root.go
+++ b/cmd/root.go
@@ -68,5 +68,7 @@ func init() {
 	RootCmd.PersistentFlags().IntVarP(&flags.MaxRetries, "max-retries", "r", 3, "Maximum number of retries")
 	RootCmd.PersistentFlags().IntVarP(&flags.ReconnectInterval, "reconnect-interval", "c", 5, "Reconnect interval in seconds")
 	RootCmd.PersistentFlags().IntVar(&flags.InfoReportInterval, "info-report-interval", 5, "Interval in minutes for reporting basic info")
+	RootCmd.PersistentFlags().StringVar(&flags.IncludeNics, "include-nics", "", "Comma-separated list of network interfaces to include")
+	RootCmd.PersistentFlags().StringVar(&flags.ExcludeNics, "exclude-nics", "", "Comma-separated list of network interfaces to exclude")
 	RootCmd.PersistentFlags().ParseErrorsWhitelist.UnknownFlags = true
 }
diff --git a/monitoring/unit/net.go b/monitoring/unit/net.go
index c3193cb..d605b00 100644
--- a/monitoring/unit/net.go
+++ b/monitoring/unit/net.go
@@ -2,8 +2,10 @@ package monitoring
 
 import (
 	"fmt"
+	"strings"
 	"time"
 
+	"github.com/komari-monitor/komari-agent/cmd/flags"
 	"github.com/shirou/gopsutil/net"
 )
 
@@ -31,8 +33,11 @@ var (
 )
 
 func NetworkSpeed() (totalUp, totalDown, upSpeed, downSpeed uint64, err error) {
+	includeNics := parseNics(flags.IncludeNics)
+	excludeNics := parseNics(flags.ExcludeNics)
+
 	// 获取第一次网络IO计数器
-	ioCounters1, err := net.IOCounters(false)
+	ioCounters1, err := net.IOCounters(true)
 	if err != nil {
 		return 0, 0, 0, 0, fmt.Errorf("failed to get network IO counters: %w", err)
 	}
@@ -44,19 +49,17 @@ func NetworkSpeed() (totalUp, totalDown, upSpeed, downSpeed uint64, err error) {
 	// 统计第一次所有非回环接口的流量
 	var totalUp1, totalDown1 uint64
 	for _, interfaceStats := range ioCounters1 {
-		// 使用映射表进行O(1)查找
-		if _, isLoopback := loopbackNames[interfaceStats.Name]; isLoopback {
-			continue // 跳过回环接口
+		if shouldInclude(interfaceStats.Name, includeNics, excludeNics) {
+			totalUp1 += interfaceStats.BytesSent
+			totalDown1 += interfaceStats.BytesRecv
 		}
-		totalUp1 += interfaceStats.BytesSent
-		totalDown1 += interfaceStats.BytesRecv
 	}
 
 	// 等待1秒
 	time.Sleep(time.Second)
 
 	// 获取第二次网络IO计数器
-	ioCounters2, err := net.IOCounters(false)
+	ioCounters2, err := net.IOCounters(true)
 	if err != nil {
 		return 0, 0, 0, 0, fmt.Errorf("failed to get network IO counters: %w", err)
 	}
@@ -68,11 +71,10 @@ func NetworkSpeed() (totalUp, totalDown, upSpeed, downSpeed uint64, err error) {
 	// 统计第二次所有非回环接口的流量
 	var totalUp2, totalDown2 uint64
 	for _, interfaceStats := range ioCounters2 {
-		if _, isLoopback := loopbackNames[interfaceStats.Name]; isLoopback {
-			continue // 跳过回环接口
+		if shouldInclude(interfaceStats.Name, includeNics, excludeNics) {
+			totalUp2 += interfaceStats.BytesSent
+			totalDown2 += interfaceStats.BytesRecv
 		}
-		totalUp2 += interfaceStats.BytesSent
-		totalDown2 += interfaceStats.BytesRecv
 	}
 
 	// 计算速度 (每秒的速率)
@@ -81,3 +83,36 @@ func NetworkSpeed() (totalUp, totalDown, upSpeed, downSpeed uint64, err error) {
 
 	return totalUp2, totalDown2, upSpeed, downSpeed, nil
 }
+
+func parseNics(nics string) map[string]struct{} {
+	if nics == "" {
+		return nil
+	}
+	nicSet := make(map[string]struct{})
+	for _, nic := range strings.Split(nics, ",") {
+		nicSet[strings.TrimSpace(nic)] = struct{}{}
+	}
+	return nicSet
+}
+
+func shouldInclude(nicName string, includeNics, excludeNics map[string]struct{}) bool {
+	// 默认排除回环接口
+	if _, isLoopback := loopbackNames[nicName]; isLoopback {
+		return false
+	}
+
+	// 如果定义了白名单，则只包括白名单中的接口
+	if len(includeNics) > 0 {
+		_, ok := includeNics[nicName]
+		return ok
+	}
+
+	// 如果定义了黑名单，则排除黑名单中的接口
+	if len(excludeNics) > 0 {
+		if _, ok := excludeNics[nicName]; ok {
+			return false
+		}
+	}
+
+	return true
+}