diff --git a/docs/assets/ts/artplayer.d.ts b/docs/assets/ts/artplayer.d.ts
index 206b9477c..7a7dd71f4 100644
--- a/docs/assets/ts/artplayer.d.ts
+++ b/docs/assets/ts/artplayer.d.ts
@@ -238,7 +238,7 @@ type Option = {
     /**
      * Player language
      */
-    lang?: 'en' | 'zh-cn' | 'zh-tw';
+    lang?: 'en' | 'zh-cn' | 'zh-tw' | 'cs' | 'pl';
 
     /**
      * Player default volume
diff --git a/packages/artplayer/types/artplayer.d.ts b/packages/artplayer/types/artplayer.d.ts
index 206b9477c..7a7dd71f4 100644
--- a/packages/artplayer/types/artplayer.d.ts
+++ b/packages/artplayer/types/artplayer.d.ts
@@ -238,7 +238,7 @@ type Option = {
     /**
      * Player language
      */
-    lang?: 'en' | 'zh-cn' | 'zh-tw';
+    lang?: 'en' | 'zh-cn' | 'zh-tw' | 'cs' | 'pl';
 
     /**
      * Player default volume