In order to realize the normalized management of the tasks such as auditing. tracking and warning in video conference system. A log management subsystem structure was built using AOP. Its log module adopting Syslog and Log4j technology was designed. https://www.spidertattooz.com/OPI-GelColor-The-Color-That-Keeps-On-Giving-0-5-oz-HPJ07-p22791/