OSSEC HIDS v3.1.0 email alert does't show full alert messages

[junqian1992]

Email alert doesn't show the changes, but the alert.log is work.
Email alert

OSSEC HIDS Notification.
2018 Nov 12 16:01:49
Received From: (nagios-server185) xxxxxxx->syscheck
Rule: 550 fired (level 7) -> "Integrity checksum changed."
Portion of the log(s):
Integrity checksum changed for: '/home/hehe.txt'

--END OF NOTIFICATION

alerts.log

** Alert 1542009709.59473: mail - ossec,syscheck,
2018 Nov 12 16:01:49 (nagios-server185) xxxxxxx->syscheck
Rule: 550 (level 7) -> 'Integrity checksum changed.'
Integrity checksum changed for: '/home/hehe.txt'
Permissions changed from 'rwxr--r--' to 'rwxr-xr-x'

I found only some of the alert no show full message on email alert.
Example permission changed "chmod and chown".
The diff changed is working perfectly without problem on email alert.

[Jamalc0m]

am not getting the alerts all, only when I restart I get start ossec alert.
for file integrity change nothing comes!

[ddpbsd]

Give pull request #1593 a try. Seems to fix it for me.

[ddpbsd]

PR #1593 has been merged. Re-open this ticket if it's still an issue.