ui: fix locale

Signed-off-by: Jianhui Zhao <zhaojh329@gmail.com>

ui/src/element-plus/index.js

@@ -4,9 +4,13 @@ import 'element-plus/theme-chalk/dark/css-vars.css'
 import * as ElementPlusIconsVue from '@element-plus/icons-vue'
 import zhCN from 'element-plus/dist/locale/zh-cn'
 import en from 'element-plus/dist/locale/en'
-import i18n from '../i18n'
+import { useI18n } from 'vue-i18n'
+import { computed } from 'vue'
 
-export const locale = i18n.locale === 'zh-CN' ? zhCN : en
+export const locale = computed(() => {
+  const { locale } = useI18n()
+  return locale.value === 'zh-CN' ? zhCN : en
+})
 
 export default {
   install(app) {