diff --git a/src/views/research/login.vue b/src/views/research/login.vue
index 79f09d2f..77936052 100644
--- a/src/views/research/login.vue
+++ b/src/views/research/login.vue
@@ -210,9 +210,9 @@ export default {
     let lang = this.$route.query.lang
     if (!lang) {
       const language = navigator.language
-      lang = 'zh'
-      if (language.includes("en-")) {
-        lang = 'en'
+      lang = 'en'
+      if (language.includes("zh")) {
+        lang = 'zh'
       }
     }
     this.$i18n.locale = lang