```python # 请求超时 request.meta['download_timeout'] = 10 # 设置User-Agent request.meta['User-Agent'] ="Mozilla/5.0 (Macintosh; U; Intel Mac OS X; en-US; rv:1.8.1.6) Gecko/20070725 Firefox/2.0.0.6 Camino/1.5.1" # 设置ip代理 request.meta['proxy'] = "101.236.21.22:8866"