diff --git a/science_article_cnki/science_article_cnki/items.py b/science_article_cnki/science_article_cnki/items.py
index dfa31a9..49c7457 100644
--- a/science_article_cnki/science_article_cnki/items.py
+++ b/science_article_cnki/science_article_cnki/items.py
@@ -38,3 +38,9 @@ class CnkiCitedNumberItem(ArticleCitedItem):
     third_id = scrapy.Field()
     cited = scrapy.Field()
     updated_at = scrapy.Field()
+
+
+class CnkiArticeSourceItem(scrapy.Item):
+    __tablename__ = 'relation_sourcetype_cnki'
+    third_id = scrapy.Field()
+    source_types = scrapy.Field()