string(276) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E5%9B%BE%E7%89%87%E4%B8%8A%E6%96%87%E5%AD%97%E5%AD%97%E4%BD%93%E8%AF%86%E5%88%AB%E6%80%8E%E4%B9%88%E5%BC%84 => Failed to connect to 101.89.117.144 port 38056: Connection refused"
图片上文字字体识别怎么弄
