diff --git a/packages/area/README.md b/packages/area/README.md
index 5e6efab8..466b5f53 100644
--- a/packages/area/README.md
+++ b/packages/area/README.md
@@ -135,7 +135,7 @@ db.collection('region')
     110101: '东城区',
     110102: '西城区',
     110105: '朝阳区',
-    110106: '丰台区'
+    110106: '丰台区',
     120101: '和平区',
     120102: '河东区',
     120103: '河西区',