public static String normalize(String url) {
		return normalize(url, false);
	}
@Test
	public void formatTest() {
		String url = "//www.hutool.cn//aaa/\\bbb?a=1&b=2";
		String normalize = URLUtil.normalize(url);
		assertEquals("http://www.hutool.cn//aaa//bbb?a=1&b=2", normalize);
	}