diff --git a/i18n/index.ts b/i18n/index.ts
index 02374a2..2f047c4 100644
--- a/i18n/index.ts
+++ b/i18n/index.ts
@@ -2,6 +2,21 @@ import i18n from 'i18next';
 import LanguageDetector from 'i18next-browser-languagedetector';
 import { initReactI18next } from 'react-i18next';
 import { Platform } from 'react-native';
+
+// Conditionally import expo-secure-store only on native platforms
+let customStorage: any;
+if (Platform.OS !== 'web') {
+  try {
+    const SecureStore = require('expo-secure-store');
+    customStorage = {
+      getItem: (key: string) => SecureStore.getItemAsync(key),
+      setItem: (key: string, value: string) => SecureStore.setItemAsync(key, value),
+    };
+  } catch (e) {
+    console.error('Failed to load expo-secure-store', e);
+  }
+}
+
 // 自动生成的导入
 import translations from './translations-generated';
 
@@ -29,30 +44,11 @@ i18n
       escapeValue: false, // 不需要转义，React已经处理了
     },
 
-    detection: Platform.OS === 'web' ? {
-      // Web 环境使用 localStorage
-      order: ['localStorage', 'navigator'],
-      caches: ['localStorage'],
+    detection: {
+      order: Platform.OS === 'web' ? ['localStorage', 'navigator'] : ['customStorage', 'device'],
+      caches: Platform.OS === 'web' ? ['localStorage'] : ['customStorage'],
       lookupLocalStorage: 'i18nextLng',
-      lookupFromPathIndex: 0,
-      lookupFromSubdomainIndex: 0
-    } : {
-      // 原生环境使用自定义存储
-      order: ['customStorage', 'device'],
-      caches: ['customStorage'],
-      // 使用类型断言解决类型问题
-      ...({
-        lookupCustomStorage: {
-          getItem: async (key: string) => {
-            const { getItemAsync } = await import('expo-secure-store');
-            return getItemAsync(key);
-          },
-          setItem: async (key: string, value: string) => {
-            const { setItemAsync } = await import('expo-secure-store');
-            await setItemAsync(key, value);
-          }
-        }
-      } as any) // 使用类型断言绕过类型检查
+      ...(customStorage && { lookupCustomStorage: customStorage }),
     }
   });