diff --git a/collection/opendb-news-articles/collection.json b/collection/opendb-news-articles/collection.json
index e7109d3..3c371d2 100644
--- a/collection/opendb-news-articles/collection.json
+++ b/collection/opendb-news-articles/collection.json
@@ -1,7 +1,7 @@
 {
   "schema": {
     "bsonType": "object",
-    "required": ["user_id", "title", "content", "article_status", "view_count", "like_count", "is_sticky", "is_essence", "comment_status", "comment_count"],
+    "required": ["user_id", "title", "content", "article_status", "view_count", "like_count", "is_sticky", "is_essence", "comment_status", "comment_count","mode"],
     "properties": {
       "_id": {
         "description": "存储文档 ID（用户 ID），系统自动生成"
@@ -81,6 +81,10 @@
       "last_modify_ip": {
         "bsonType": "string",
         "description": "最后修改时 IP 地址"
+      },
+      "mode": {
+        "bsonType": "number",
+        "description": "排版显示模式"
       }
     }
   },