string(238) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E7%BB%99%E5%90%8C%E5%AD%A6%E4%B9%B0%E7%A4%BC%E7%89%A9%E6%97%A5%E8%AE%B0 => Failed to connect to 14.18.117.71 port 38093: Connection refused"
给同学买礼物日记
