diff --git a/api/@internal/component/ets/styled_string.d.ts b/api/@internal/component/ets/styled_string.d.ts
index a5ddf911e219a663d21a93cfb2666e2e8b78ce63..78895aa8a46502aa794bb901c00d6555f7865d35 100644
--- a/api/@internal/component/ets/styled_string.d.ts
+++ b/api/@internal/component/ets/styled_string.d.ts
@@ -282,26 +282,26 @@ declare interface StyleOptions {
     /**
      * The start position of the StyleOptions.
      *
-     * @type { ?number }
+     * @type { ?int }
      * @syscap SystemCapability.ArkUI.ArkUI.Full
      * @crossplatform
      * @atomicservice
      * @since arkts {'1.1':'12','1.2':'20'}
      * @arkts 1.1&1.2
      */
-    start?: number;
+    start?: int;
 
     /**
      * The length of the modifiedStyledString's characters.
      *
-     * @type { ?number }
+     * @type { ?int }
      * @syscap SystemCapability.ArkUI.ArkUI.Full
      * @crossplatform
      * @atomicservice
      * @since arkts {'1.1':'12','1.2':'20'}
      * @arkts 1.1&1.2
      */
-    length?: number;
+    length?: int;
 
     /**
      * The attribute key of the StyleOptions.
@@ -2277,4 +2277,4 @@ declare abstract class CustomSpan {
  * @since arkts {'1.1':'12','1.2':'20'}
  * @arkts 1.1&1.2
  */
-declare abstract class UserDataSpan {}
\ No newline at end of file
+declare abstract class UserDataSpan {}