string(266) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E7%BA%A0%E7%BB%93%E4%B9%B0%E7%AC%94%E8%AE%B0%E6%9C%AC%E8%BF%98%E6%98%AF%E5%8F%B0%E5%BC%8F%E6%9C%BA => Failed to connect to 101.91.112.32 port 38221: Connection refused"
纠结买笔记本还是台式机
