selenium防止检测，修改chromedriver.exe

用文本编辑器打开chromedriver.exe，搜索$cdc_asdjflasutopfhvcZLmcfl_这个字符串，随便改几个字母，保持相同长度就行

?

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21

/**  * Returns the global object cache for the page.  * @param {Document=} opt_doc The document whose cache to retrieve. Defaults to  *     the current document.  * @return {!Cache} The page's object cache.  */ function getPageCache(opt_doc, opt_w3c) {   var doc = opt_doc || document;   var w3c = opt_w3c || false;   // |key| is a long random string, unlikely to conflict with anything else.   var key = '$cdc_asdjflasutopfhvcZLmcfl_';   if (w3c) {     if (!(key in doc))       doc[key] = new CacheWithUUID();     return doc[key];   } else {     if (!(key in doc))       doc[key] = new Cache();     return doc[key];   } }