+```
+
+```css
/*xxx.css */
.container {
flex-direction: column;
- align-items: center;
+ margin-left: 20px;
}
.row {
flex-direction: row;
@@ -89,4 +98,4 @@ Not supported
}
```
-
\ No newline at end of file
+
diff --git a/en/application-dev/reference/arkui-js/js-components-basic-piece.md b/en/application-dev/reference/arkui-js/js-components-basic-piece.md
index 11666b49f84e4ed29cb4ca9c9f325d8efe2348ea..4503782492802ed5be1a757a0acaa50eb81d791f 100644
--- a/en/application-dev/reference/arkui-js/js-components-basic-piece.md
+++ b/en/application-dev/reference/arkui-js/js-components-basic-piece.md
@@ -1,51 +1,60 @@
# piece
-An entrance piece that can contain images and text. It is usually used to display receivers, for example, email recipients or message recipients.
+> **NOTE**
+>
+> This component is supported since API version 5. Updates will be marked with a superscript to indicate their earliest API version.
+
+The **\