修改

src/store/system/menus.js

@@ -3,7 +3,7 @@ import Vuex from 'vuex';
 import _ from 'lodash';
 Vue.use(Vuex);
 const api = {
-  test: `/menu`,
+  test: `/menus`,
 };
 const state = () => ({});
 const mutations = {};