Dear ChenHui
My router is NE8000 M8 and running software version 8.191
[~XXX-M8-02]display version
Huawei Versatile Routing Platform Software
VRP (R) software, Version 8.191 (NetEngine 8000 V800R012C00SPC300)
Copyright (C) 2012-2020 Huawei Technologies Co., Ltd.
HUAWEI NetEngine 8000 M8 uptime is 66 days, 22 hours, 40 minutes
Patch Version: V800R012SPH015
[~XXX-M8-02]display ntp-service status
clock status: synchronized
clock stratum: 3
reference clock ID: 192.168.255.1(__LOCAL_OAM_VPN__)
nominal frequency: 100.0000 Hz
actual frequency: 100.0000 Hz
clock precision: 2^17
clock offset: 1.3785 ms
root delay: 3.48 ms
root dispersion: 52.08 ms
peer dispersion: 17.49 ms
reference time: 01:47:00.377 UTC Feb 26 2021(E3E2D194.60B1AB08)
synchronization state: clock synchronized