code: public static LogFactory set(Class<? extends LogFactory> logFactoryClass) {
  		try {
  			return set(logFactoryClass.newInstance());
  		} catch (Exception e) {
  			throw new IllegalArgumentException("Can not instance LogFactory class!", e);
  		}
  	}
docs: 自定义日志实现
  
  @see Slf4jLogFactory
  @see Log4jLogFactory
  @see Log4j2LogFactory
  @see ApacheCommonsLogFactory
  @see JdkLogFactory
  @see ConsoleLogFactory
  
  @param logFactoryClass 日志工厂类
  @return 自定义的日志工厂类