diff --git a/api/@ohos.arkui.UIContext.static.d.ets b/api/@ohos.arkui.UIContext.static.d.ets
index 848cc3fee53d42ab098d956a02ffd7b1c0dc88dd..6fcd369b5ada6ea65ab7514344ac260226280dec 100755
--- a/api/@ohos.arkui.UIContext.static.d.ets
+++ b/api/@ohos.arkui.UIContext.static.d.ets
@@ -3085,11 +3085,11 @@ export declare class UIContext {
   /**
    * Get the max font scale.
    *
-   * @returns { number } The max font scale.
+   * @returns { double } The max font scale.
    * @syscap SystemCapability.ArkUI.ArkUI.Full
    * @since 20
    */
-  getMaxFontScale(): number;
+  getMaxFontScale(): double;
 
   /**
    * Bind tabs to scrollable container component to automatically hide tab bar.