string(259) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=u%E7%9B%98%E6%A0%BC%E5%BC%8F%E5%8C%96%E4%BC%9A%E6%9C%89%E4%BB%80%E4%B9%88%E5%BD%B1%E5%93%8D => Failed to connect to 101.89.159.206 port 38100: Connection refused"
u盘格式化会有什么影响
