[%d{yyyy-MM-dd' 'HH:mm:ss.sss}] [%contextName] [%thread] [%X{traceId}] %-5level %logger{36} - %msg%n UTF-8 configLog/log.log log/demo.%d.%i.log 90 10MB [%d{yyyy-MM-dd' 'HH:mm:ss.sss}] [%C] [%t] [%X{traceId}] [%L] [%-5p] %m%n utf-8 UTF-8