diff --git a/collection/uni-id-roles/collection.json b/collection/uni-id-roles/collection.json
index 9bde66c..9bcf1a7 100644
--- a/collection/uni-id-roles/collection.json
+++ b/collection/uni-id-roles/collection.json
@@ -2,32 +2,38 @@
   "schema": {
     "bsonType": "object",
     "required": [
-      "role_id",
-      "permission"
+      "role_id"
     ],
     "properties": {
       "_id": {
         "description": "存储文档 ID，系统自动生成"
       },
       "role_id": {
+        "title": "唯一ID",
         "bsonType": "string",
         "description": "角色唯一标识，不可修改，不允许重复"
       },
       "role_name": {
+        "title": "名称",
         "bsonType": "string",
         "description": "角色名称"
       },
       "permission": {
+        "title": "权限",
         "bsonType": "array",
         "description": "角色拥有的权限列表"
       },
       "comment": {
+        "title": "备注",
         "bsonType": "string",
         "description": "备注"
       },
       "create_date": {
         "bsonType": "timestamp",
-        "description": "创建时间"
+        "description": "创建时间",
+        "forceDefaultValue": {
+          "$env": "now"
+        }
       }
     }
   },