string(266) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=vivo%E7%B3%BB%E7%BB%9F%E5%92%8Coppo%E7%B3%BB%E7%BB%9F%E8%B0%81%E6%9B%B4%E5%A5%BD%E7%9F%A5%E4%B9%8E => Failed to connect to 101.89.117.144 port 38005: Connection refused"
vivo系统和oppo系统谁更好知乎
