视频号抓取任务

applications/utils/item.py

@@ -47,7 +47,7 @@ class Item(object):
         """
         fields = list(default_single_video_table_fields.keys())
         for field in fields:
-            if self.item.get(field):
+            if self.item.get(field, None) is not None:
                 continue
             else:
                 self.item[field] = default_single_video_table_fields[field]