diff --git a/api/@internal/component/ets/text_area.d.ts b/api/@internal/component/ets/text_area.d.ts
index 90fefc9c455cec56d33fbc3dd410d2e399c6a06e..36419c03c0b4f069a77a5cbd9f9cf733ddb847ba 100644
--- a/api/@internal/component/ets/text_area.d.ts
+++ b/api/@internal/component/ets/text_area.d.ts
@@ -1505,14 +1505,14 @@ declare class TextAreaAttribute extends CommonMethod<TextAreaAttribute> {
    * Define max lines of the text area, behavior can be displayed as the scrolling capability.
    *
    * @param { number } lines - Max lines of the node
-   * @param { MaxLinesOptions } options - max lines of setting options.
+   * @param { MaxLinesOptions } [options] - max lines of setting options.
    * @returns { TextAreaAttribute } returns the instance of the TextAreaAttribute.
    * @syscap SystemCapability.ArkUI.ArkUI.Full
    * @crossplatform
    * @atomicservice
    * @since 20
    */
-  maxLines(lines: number, options: MaxLinesOptions): TextAreaAttribute;
+  maxLines(lines: number, options?: MaxLinesOptions): TextAreaAttribute;
 
   /**
    * Define min lines of the text area.