string(296) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E4%BF%AE%E6%94%B9ie%E6%B5%8F%E8%A7%88%E5%99%A8%E4%B8%BB%E9%A1%B5%E4%B8%8D%E6%88%90%E5%8A%9F%E4%BB%80%E4%B9%88%E5%8E%9F%E5%9B%A0 => Failed to connect to 125.88.227.171 port 38062: Connection refused"
修改ie浏览器主页不成功什么原因
