string(242) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=qq%E5%A6%82%E4%BD%95%E8%AF%86%E5%88%AB%E5%9B%BE%E7%89%87%E6%96%87%E5%AD%97 => Failed to connect to 101.89.117.144 port 38005: Connection refused"
qq如何识别图片文字
