diff --git a/api/@internal/component/ets/text.d.ts b/api/@internal/component/ets/text.d.ts
index 2b0b4ee1443d53316ff5a937caff9141bab13775..727e4038763bd51cd25d6dadd5e81eeb29df5240 100644
--- a/api/@internal/component/ets/text.d.ts
+++ b/api/@internal/component/ets/text.d.ts
@@ -958,6 +958,18 @@ declare class TextAttribute extends CommonMethod<TextAttribute> {
    * @arkts 1.1&1.2
    */
   maxLines(value: number): TextAttribute;
+  /**
+   * Called when the minimum number of lines of text is set.
+   *
+   * @param { number } value
+   * @returns { TextAttribute }
+   * @syscap SystemCapability.ArkUI.ArkUI.Full
+   * @crossplatform
+   * @form
+   * @atomicservice
+   * @arkts 21
+   */
+  minLines(value: number): TextAttribute;
 
   /**
    * Called when the text decoration of the text is set.