string(297) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=CPA%E9%AB%98%E9%80%94%E7%9A%84100%E6%AF%8D%E9%A2%98%E5%A5%BD%2C%E8%BF%98%E6%98%AF%E7%A5%9E%E5%A5%87%E6%AF%8D%E9%A2%98660%E5%A5%BD => Failed to connect to 101.89.159.206 port 38100: Connection refused"
CPA高途的100母题好,还是神奇母题660好
