string(256) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E6%89%8B%E6%9C%BA%E5%AD%97%E4%BD%93%E5%A4%A7%E5%B0%8F%E5%92%8B%E8%B0%83%E6%95%B4%E5%95%8A => Failed to connect to 14.18.117.71 port 38041: Connection refused"
手机字体大小咋调整啊
