diff --git a/index.js b/index.js
index 6694602..62e1bb2 100644
--- a/index.js
+++ b/index.js
@@ -54,6 +54,7 @@ export default {
   setBarTitles ({ windowTitle, pageTitle } = {}) {
     const pageNow = getCurrentPages()[getCurrentPages().length - 1]
     const mylang = getApp().$store.state.i18n.mylang
+    const pagesJson = getApp().$pagesJson
 
     // #ifdef H5
     document.title = windowTitle || pagesJson?.appInfo?.i18nText?.[mylang] // 必须放在 setNavigationBarTitle 之后，否则会被其覆盖掉。