diff --git a/en/application-dev/reference/apis/js-apis-data-rdb.md b/en/application-dev/reference/apis/js-apis-data-rdb.md
index ffef95aa4dd23ea3c02fcdd5ddf30ae4e46e517f..f8aa9aa6ee35656ef11f47a17889fded61aaede5 100644
--- a/en/application-dev/reference/apis/js-apis-data-rdb.md
+++ b/en/application-dev/reference/apis/js-apis-data-rdb.md
@@ -2557,57 +2557,6 @@ Runs the SQL statement that contains the specified parameters but does not retur
```
-### changeEncryptKey8+
-
-changeEncryptKey\(newEncryptKey:Uint8Array, callback: AsyncCallback\):void
-
-Changes the encryption key of the RDB store. This method uses a callback to return the result.
-
-- Parameters
-
-
-
Name
-
-
Type
-
-
Mandatory
-
-
Description
-
-
-
-
newEncryptKey
-
-
Uint8Array
-
-
Yes
-
-
New encryption key. This parameter cannot be empty.
-
-
-
callback
-
-
AsyncCallback<number>
-
-
Yes
-
-
Callback invoked to return the result.
-
-
-
-
-
-
-- Example
-
- ```
- var newKey = new Uint8Array([1, 2])
- rdbStore.changeEncryptKey(newKey, function (ret) {
- console.info(TAG + "result is " + ret)})
- ```
-
-
-
## StoreConfig
Manages the configuration of an RDB store.