string(279) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E6%94%B9%E5%8F%98%E4%B8%96%E7%95%8C%E7%9A%84%2C%E4%B8%96%E7%95%8C%E6%94%B9%E5%8F%98%E4%B8%8D%E4%BA%86%E7%9A%84 => Failed to connect to 101.89.117.144 port 38076: Connection refused"
改变世界的,世界改变不了的
