private String toString(String format, Object[] args) {
        if (CommonUtils.isEmpty(args)) {
            return format;
        }
        String s = format.replaceAll("\\{\\}", "%s");
        String[] ss = new String[args.length];
        for (int i = 0; i < args.length; i++) {
            ss[i] = StringUtils.toString(args[i]);
        }
        return String.format(s, ss);
    }
@author <a href="mailto:zhanggeng.zg@antfin.com">GengZhang</a>
core/api/src/test/java/com/alipay/sofa/rpc/log/SystemLogger.java