diff --git a/features/trace/tcpdump.go b/features/trace/tcpdump.go
index 3c1ffb0f..9aebd1d2 100644
--- a/features/trace/tcpdump.go
+++ b/features/trace/tcpdump.go
@@ -64,7 +64,7 @@ func TcpdumpNeTask(w http.ResponseWriter, r *http.Request) {
 	filePcapName := fmt.Sprintf("tmp_%s_%s_%d.pcap", body.NeType, body.NeId, time.Now().UnixMilli())
 	fileLogName := fmt.Sprintf("tmp_%s_%s_%d.log", body.NeType, body.NeId, time.Now().UnixMilli())
 	writeLog := fmt.Sprintf(" >> %s 2>&1 \ncat %s", fileLogName, fileLogName) // 执行信息写入日志文件，放置弹出code 127
-	cmdStr := fmt.Sprintf("cd /tmp \ntimeout %d tcpdump -i any %s -s0 -w %s", body.Timeout, body.Cmd, filePcapName)
+	cmdStr := fmt.Sprintf("cd /tmp \n%stimeout %d tcpdump -i any %s -s0 -w %s", cmd.SudoHandleCmd(), body.Timeout, body.Cmd, filePcapName)
 	usernameNe := conf.Get("ne.user").(string) // 网元统一用户
 	sshHost := fmt.Sprintf("%s@%s", usernameNe, neInfo.Ip)
 	msg, err := cmd.ExecWithCheck("ssh", sshHost, cmdStr+writeLog)