diff --git a/collection/opendb-mall-goods/collection.json b/collection/opendb-mall-goods/collection.json
index 92d675e..bdf5b10 100644
--- a/collection/opendb-mall-goods/collection.json
+++ b/collection/opendb-mall-goods/collection.json
@@ -2,6 +2,12 @@
   "schema": {
     "bsonType": "object",
     "required": ["goods_sn", "name", "remain_count", "month_sell_count", "total_sell_count", "comment_count", "is_real", "is_on_sale", "is_alone_sale", "is_best", "is_new", "is_hot"],
+     "permission": {
+      ".read": true, 
+      ".create": false, 
+      ".update": false,
+      ".delete": false 
+    },
     "properties": {
       "_id": {
         "description": "存储文档 ID（商品 ID），系统自动生成"