diff --git a/docs/uniCloud/unicloud-db.md b/docs/uniCloud/unicloud-db.md
index 918a37d17f6a76b296f08f0e6511e53b8288ddcb..5c4aed833e2392be3b74fd76b88c712291d5f7e4 100644
--- a/docs/uniCloud/unicloud-db.md
+++ b/docs/uniCloud/unicloud-db.md
@@ -419,6 +419,14 @@ this.$refs.udb.clear() //udb为unicloud-db组件的ref属性值
 this.$refs.udb.reset() //udb为unicloud-db组件的ref属性值
 ```
 
+### refresh
+
+清空并重新加载当前页面数据
+
+```js
+this.$refs.udb.refresh() //udb为unicloud-db组件的ref属性值
+```
+
 
 ### remove