string(273) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E7%9C%8B%E4%BA%86%E9%97%AA%E7%85%A7%E4%B9%8B%E5%90%8E%E5%A6%82%E4%BD%95%E6%81%A2%E5%A4%8D%E9%BB%98%E8%AE%A4 => Failed to connect to 14.18.46.51 port 38044: Connection refused"
看了闪照之后如何恢复默认
