string(347) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E9%87%8D%E5%A4%8D%E9%93%BA%E8%B4%A7%E5%8F%AF%E4%BB%A5%E6%8F%90%E9%AB%98%E4%BA%A7%E5%93%81%E5%9C%A8%E5%B9%B3%E5%8F%B0%E6%90%9C%E7%B4%A2%E7%BB%93%E6%9E%9C%E4%B8%AD%E7%9A%84%E6%9B%9D%E5%85%89%E9%87%8F => Received HTTP code 403 from proxy after CONNECT"
重复铺货可以提高产品在平台搜索结果中的曝光量
