add js-apis-document.md

Signed-off-by: Nzhouzhichao <zhouzhichao3@huawei.com>

en/application-dev/reference/apis/js-apis-document.md

@@ -11,7 +11,7 @@ import document from '@ohos.document';
 
 ## Guidelines
 
-Using this function module will throw an error code.
+Calling the following interface throws an exception. It is not recommended to use the following interface in OpenHarmony.
 
 ## document.choose
 
@@ -23,7 +23,7 @@ Selects a file using the file manager and returns the file URI asynchronously us
 
 - **Parameters**
 
-| Name  | Type                       | Mandatory| Description                        |
+  | Name  | Type                       | Mandatory| Description                        |
   | ------ | ------ | ---- | ---------------------------- |
   | type   | string[] | No   | Type of the file selected.  |