diff --git a/docs/assets/ts/artplayer.d.ts b/docs/assets/ts/artplayer.d.ts
index 8894db103..516878efe 100644
--- a/docs/assets/ts/artplayer.d.ts
+++ b/docs/assets/ts/artplayer.d.ts
@@ -216,7 +216,10 @@ export interface Setting {
    */
   onClick?: (this: Artplayer, item: SettingOption, element: HTMLDivElement, event: Event) => void
 
-  [key: string]: unknown
+  /**
+   * Allow custom properties
+   */
+  [key: string]: any
 }
 
 export interface Quality {
@@ -994,6 +997,11 @@ export interface Selector {
    * Html string of selector
    */
   html: string | HTMLElement
+
+  /**
+   * Allow custom properties
+   */
+  [key: string]: any
 }
 
 export interface Component {
diff --git a/packages/artplayer/types/setting.d.ts b/packages/artplayer/types/setting.d.ts
index 0ee4054a0..d605a604f 100644
--- a/packages/artplayer/types/setting.d.ts
+++ b/packages/artplayer/types/setting.d.ts
@@ -90,5 +90,8 @@ export interface Setting {
    */
   onClick?: (this: Artplayer, item: SettingOption, element: HTMLDivElement, event: Event) => void
 
-  [key: string]: unknown
+  /**
+   * Allow custom properties
+   */
+  [key: string]: any
 }