public static void warn(final Logger logger, final Supplier<Object> supplier) {
        if (logger.isWarnEnabled()) {
            logger.warn(Objects.toString(supplier.get()));
        }
    }
warn log.

@param logger   logger
@param supplier {@linkplain Supplier}
shenyu-common/src/main/java/org/apache/shenyu/common/utils/LogUtils.java