diff --git a/packages/mana-l10n/src/l10n/index.ts b/packages/mana-l10n/src/l10n/index.ts
index de681db..bc578f8 100644
--- a/packages/mana-l10n/src/l10n/index.ts
+++ b/packages/mana-l10n/src/l10n/index.ts
@@ -36,7 +36,10 @@ export enum L10nLang {
 }
 
 function getDefaultlang() {
-  const localeValue = localStorage?.getItem('locale') || locale;
+  let localeValue = locale;
+  if (typeof navigator === 'object') {
+    localeValue = localStorage?.getItem('locale') || locale;
+  }
   const localeStr = localeValue.toLowerCase();
   if (localeStr === 'zh' || localeStr.startsWith('zh-')) {
     return L10nLang.zhCN;