minor

plugins/i18n.js

@@ -7,11 +7,13 @@ Vue.use(VueI18n)
 export default async ({ app, store, res }) => {
   const messages = {}
   if (process.server) {
+    if (res.locals) {
       store.commit('setLocale', res.locals.acceptedLocale)
       if (res.locals.user_locale) {
         store.commit('setUserLocale', res.locals.user_locale)
       }
     }
+  }
 
   messages[store.state.locale] = await import(/* webpackChunkName: "lang-[request]" */`../locales/${store.state.locale}.json`)