string(276) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E6%B3%A8%E5%86%8C%E4%B8%AA%E4%BD%93%E5%A5%BD%E8%BF%98%E6%98%AF%E6%B3%A8%E5%86%8C%E5%85%AC%E5%8F%B8%E5%A5%BD => Failed to connect to 101.89.159.206 port 38100: Connection refused"
注册个体好还是注册公司好
