diff --git a/docs/uniCloud/cf-database.md b/docs/uniCloud/cf-database.md
index 3a78befbe64e70052606f0e7faee3a1694d8c9a6..a1910fb5978150241e1492a6682d6d69c865d53d 100644
--- a/docs/uniCloud/cf-database.md
+++ b/docs/uniCloud/cf-database.md
@@ -173,7 +173,7 @@ const collection = db.collection('user');
 
 | 参数 | 类型   | 必填 | 说明                                     |
 | ---- | ------ | ---- | ---------------------------------------- |
-| data | object|array | 是   | {_id: '10001', 'name': 'Ben'} _id 非必填|
+| data | object | array | 是   | {_id: '10001', 'name': 'Ben'} _id 非必填|
 
 ```js
 // 单条插入数据