string(294) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E5%95%86%E6%A0%87%E4%B8%AD%E8%8B%B1%E6%96%87%E5%8F%AF%E4%BB%A5%E5%88%86%E5%BC%80%E7%94%A8%E5%90%97%E4%B8%BA%E4%BB%80%E4%B9%88 => Failed to connect to 101.89.159.206 port 38100: Connection refused"
商标中英文可以分开用吗为什么
