The meaining of "Sync: Lead, video delay: 100"?

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player : Android 11 4.4
CMS 4.0.11 linux docker

Hello,
I am struggling for source of incorrect time in my player.
During this effort, I found this log below from player.
I want to know the meaining of “Sync: Lead, Video Delay: 100”
Is it possible cause for incorrect time in my player?
Regards

"General Information
Date: 2024-05-21 04:02:44
Version: 4
Code Version: 404 - 5a96c8a2 (2024-03-20 14:41:42)
Content Management System: http://jinped.iptime.org:20080/xmds.php (tcp://jinped.iptime.org:9505 - 2024-05-21 04:02:32 - 11 seconds and 293 milliseconds ago)
LAN IP: 192.168.0.155
Sync: Lead, Video Delay: 100
Last Heartbeat: 3 minutes, 50 seconds and 920 milliseconds ago.
Storage Selected: Internal Storage. 90.0%
Display Name: X4Q-1
Licenced: true (full)
Registered: true
Current Layout: Normal: 59
Screen Size: 3840 x 2160
Memory Limit: 384 MB
Memory Allocation: 12 MB
Image Cache Hit Rate: 0.03
Screen Shot Request Interval: 2
Use Surface View for Video Rendering?: true
Video Engine in use: ExoPlayer
Use multiple video decoders: true
Number of Stats ready to send: 5 - 2024-05-21 03:59:55
Number of Logs ready to send: 0 - 2024-05-21 03:54:55

CMS Status
Register: Registered. Checked at 2024-05-21 03:59:54
Schedule: Up to date
Required Files (Inside Download Window): Up to date. 50/50
Queued Network Connections - F: 0 / N: 0. HTTP: 1 / Idle: 1
Number of Concurrent Failed XMDS Connections: 0

Schedule Status
All layouts (* = not scheduled): 59, 11* (I), 11* (I), 63, 64, 62 (O), 31 (D),
Scheduled Layouts: 59, 63, 64,
Valid Layouts: 59, 63, 64, 62, 31,
Invalid Layouts:
Next Schedule Update: 2024-05-21 04:04:54

Faults

Last 5 log messages

Install Service Status
Update Window: 00:00 - 00:00
Version Information from CMS: