diff --git a/src/i18n/i18n.js b/src/i18n/i18n.js
index 61e1fb9be..05612ad34 100644
--- a/src/i18n/i18n.js
+++ b/src/i18n/i18n.js
@@ -7,11 +7,12 @@ import date from './date'
 import VueCookie from 'vue-cookie'
 
 Vue.use(VueI18n)
-
-const cookieLang = VueCookie.get('django_language') || 'en'
-const defaultLang = cookieLang.slice(0, 2)
+const cookieLang = VueCookie.get('django_language')
+const browserLang = navigator.systemLanguage || navigator.language
+let lang = cookieLang || browserLang || 'zh'
+lang = lang.slice(0, 2)
 const i18n = new VueI18n({
-  locale: defaultLang,
+  locale: lang,
   fallbackLocale: 'en',
   silentFallbackWarn: true,
   silentTranslationWarn: true,