diff --git a/packages/artplayer-plugin-danmuku/types/artplayer-plugin-danmuku.d.ts b/packages/artplayer-plugin-danmuku/types/artplayer-plugin-danmuku.d.ts
index 9422968e7..954eda445 100644
--- a/packages/artplayer-plugin-danmuku/types/artplayer-plugin-danmuku.d.ts
+++ b/packages/artplayer-plugin-danmuku/types/artplayer-plugin-danmuku.d.ts
@@ -9,8 +9,8 @@ type Slider = {
     min: number;
     max: number;
     steps: {
-        name: string;
-        value: any;
+        name?: string;
+        value?: any;
         show?: boolean;
     }[];
 };