Thanks for the replied. Resetting the preferences was not solve the problem.
After upgrade os to catalina and adobe illustrator to 25.0 for a week, The result is better than the old one but it started to crash again on 29 Oct 2020.
Sorry to hear about the crashing. I know that's really frustrating. A few other users have also reported crashes on macOS and in later investigation, it was found due to some corrupt fonts.
I would request if you could try the steps shared in this help article (https://helpx.adobe.com/illustrator/kb/crash-with-ttf-font.html) and let us know how it goes.
Today 12 Dec 2020 , it crashed again.
Today 1 Dec 2020 , it crashed again. (Sorry the previous one I missed typing 12 Dec 2020 is incorrect.)
Version: 25.0.1 (25.0.1)
Date/Time: 2020-12-01 10:46:04.599 +0700
OS Version: Mac OS X 10.15.7 (19H2)
System Integrity Protection: enabled
Crashed Thread: 0
Exception Type: EXC_CRASH (SIGABRT)
Exception Codes: 0x0000000000000000, 0x0000000000000000
Exception Note: EXC_CORPSE_NOTIFY