diff --git a/zcspider/spiders/base.py b/zcspider/spiders/base.py
index ac11414..186b95d 100644
--- a/zcspider/spiders/base.py
+++ b/zcspider/spiders/base.py
@@ -25,14 +25,19 @@ class BaseSpider(scrapy.Spider):
          self.start_urls = [start_url]
          self.name = name
          self.group = group
-         self.ext = tuple(['.png', '.jpg', '.jpeg', '.pdf', '.doc', '.docx', '.xls', '.xlsx', '.ppt', '.pptx', '.rar', '.zip', '.ico', '.dat', '.css', '.js'])
+         self.ext = tuple(['.png', '.jpg', '.jpeg', '.pdf', '.doc', '.docx', '.xls', '.xlsx', '.ppt', '.pptx', '.rar', '.zip', '.ico', '.dat', '.css', '.js', '.mp4', '.m3u', '.flv'])
          print(f"爬取开始: {name}_{domain}")
 
     def start_requests(self):
         for url in self.start_urls:
-            r = scrapy.Request(url, dont_filter=True, headers=self.headers, callback=self.parse, errback=self.request2)
+            r = scrapy.Request(url, dont_filter=True, headers=self.headers, callback=self.parse, errback=self.request2, meta={'download_timeout': 30})
             yield r
 
+    def is_file_url(self, url):
+        if f'.{url.split(".")[-1].lower()}' in self.ext:
+            return True
+        return False
+
     def request2(self, fail):
         rurl = fail.request.url
         self.logger.info(f'{rurl} 使用requests继续请求')
@@ -53,9 +58,9 @@ class BaseSpider(scrapy.Spider):
             links = re.findall(r'href=["\']?([^"\'>]+)', r.text)
             for link in links:
                 full_link = urljoin(r.url, link)
-                if full_link not in self.visited_urls and (not full_link.endswith(self.ext)):
+                if full_link not in self.visited_urls and (self.is_file_url(full_link) is False):
                     if urlparse(full_link).netloc.replace('www.', '') == self.domain:
-                        yield scrapy.Request(full_link, callback=self.parse, headers=self.headers, errback=self.request2)
+                        yield scrapy.Request(full_link, callback=self.parse, headers=self.headers, errback=self.request2, meta={'download_timeout': 30})
          
     def parse(self, response):
         self.visited_urls.add(response.url)
@@ -77,9 +82,9 @@ class BaseSpider(scrapy.Spider):
 
             for link in response.css("a::attr('href')").getall():
                 full_link = response.urljoin(link)
-                if full_link not in self.visited_urls and (not full_link.endswith(self.ext)):
+                if full_link not in self.visited_urls and (self.is_file_url(full_link) is False):
                     if urlparse(full_link).netloc.replace('www.', '') == self.domain:
-                        yield scrapy.Request(full_link, callback=self.parse, headers=self.headers, errback=self.request2)
+                        yield scrapy.Request(full_link, callback=self.parse, headers=self.headers, errback=self.request2, meta={'download_timeout': 30})
     
     def closed(self, reason):
         # This method will be called when the Spider is about to close