string(236) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=1000%E5%9D%97%E9%92%B1%E5%B7%A6%E5%8F%B3cpu%E5%93%AA%E4%B8%AA%E5%A5%BD => Failed to connect to 14.18.117.71 port 38133: Connection refused"
1000块钱左右cpu哪个好
