Fix: remaining data not saved when closing spider

Author: oldshensheep

v2ex_scrapy/pipelines.py

@@ -49,4 +49,6 @@ def process_item(
         return item
 
     def close_spider(self, spider):
+        for _, v in self.data.items():
+            self.db.session.add_all(v)
         self.db.close()