diff --git a/packages/artplayer/src/index.js b/packages/artplayer/src/index.js
index 8636d7500..1911da607 100644
--- a/packages/artplayer/src/index.js
+++ b/packages/artplayer/src/index.js
@@ -189,7 +189,7 @@ export default class Artplayer extends Emitter {
             icons: {},
             cssVar: {},
             customType: {},
-            lang: navigator.language.toLowerCase(),
+            lang: navigator?.language.toLowerCase(),
         };
     }