diff --git a/collection/opendb-notice/collection.json b/collection/opendb-notice/collection.json
index b2a9331..1e8e57e 100644
--- a/collection/opendb-notice/collection.json
+++ b/collection/opendb-notice/collection.json
@@ -12,8 +12,7 @@
     ],
     "properties": {
       "_id": {
-        "description": "ID，系统自动生成",
-        "foreignKey": "comment.notice_id"
+        "description": "ID，系统自动生成"
       },
       "data": {
         "bsonType": "string",