string(276) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E6%9D%A8%E5%AE%B6%E5%B0%86%E7%9A%84%E5%8E%86%E5%8F%B2%E5%92%8C%E4%BC%A0%E8%AF%B4%E6%9C%89%E5%93%AA%E4%BA%9B => Failed to connect to 101.89.117.144 port 38022: Connection refused"
杨家将的历史和传说有哪些
