string(243) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E7%88%B1%E8%BF%AA%E7%94%9F%E7%9A%84%E6%95%85%E4%BA%8B%E4%BD%9C%E6%96%87400 => Failed to connect to 101.89.117.144 port 38056: Connection refused"
爱迪生的故事作文400
