fix: install vue-demi

Author: wangdan-fit2cloud

ui/package.json

@@ -48,7 +48,8 @@
     "vue-codemirror": "^6.1.1",
     "vue-i18n": "^9.13.1",
     "vue-router": "^4.2.4",
-    "vue3-menus": "^1.1.2"
+    "vue3-menus": "^1.1.2",
+    "vue-demi": "latest"
   },
   "devDependencies": {
     "@rushstack/eslint-patch": "^1.3.2",