string(294) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=qq%E9%87%8C%E9%9D%A2%E6%80%8E%E4%B9%88%E8%AF%86%E5%88%AB%E5%9B%BE%E7%89%87%E4%B8%AD%E7%9A%84%E6%96%87%E5%AD%97%E5%86%85%E5%AE%B9 => Failed to connect to 61.171.74.35 port 38027: Connection refused"
qq里面怎么识别图片中的文字内容
