string(294) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E6%B3%A8%E5%86%8C%E4%B8%8D%E4%BA%86%E8%9C%82%E9%B8%9F%E4%BC%97%E5%8C%85%E7%BB%8F%E8%BF%87%E6%85%8E%E9%87%8D%E8%AF%84%E4%BC%B0 => Failed to connect to 101.89.117.144 port 38005: Connection refused"
注册不了蜂鸟众包经过慎重评估
