H3C S5024PV5-EI 产品 dis logbuffer 不显示信息

<H3C>dis version
H3C Comware Software, Version 7.1.070, Release 6319P01
Copyright (c) 2004-2020 New H3C Technologies Co., Ltd. All rights reserved.
H3C S5024PV5-EI uptime is 2 weeks, 4 days, 17 hours, 35 minutes
Last reboot reason : Cold reboot

Boot image: flash:/s5000v5_ei-cmw710-boot-r6319p01.bin
Boot image version: 7.1.070, Release 6319P01
  Compiled Aug 14 2020 11:00:00
System image: flash:/s5000v5_ei-cmw710-system-r6319p01.bin
System image version: 7.1.070, Release 6319P01
  Compiled Aug 14 2020 11:00:00


Slot 1:
Uptime is 2 weeks,4 days,17 hours,35 minutes
S5024PV5-EI with 1 Processor
BOARD TYPE:         S5024PV5-EI
DRAM:               512M bytes
FLASH:              256M bytes
PCB 1 Version:      VER.B
Bootrom Version:    137
CPLD 1 Version:     002
Release Version:    H3C S5024PV5-EI-6319P01
Patch Version  :    None
Reboot Cause  :     ColdReboot
[SubSlot 0] 24GE+4SFP

<H3C>dis logbuffer
Log buffer: Enabled
Max buffer size: 1024
Actual buffer size: 512
Dropped messages: 0
Overwritten messages: 0
Current messages: 1
%Jan  1 07:59:33:309 2013 JJY-SW-0631-0130-245 SYSLOG/6/SYSLOG_RESTART: System restarted --
H3C Comware Software.