修改

src/getMenu.ts

@@ -164,6 +164,22 @@ function parseMenu(arr: Array<any>) {
       }
     }
   })
+  menus.push({
+    path: '/userManagement',
+    component: Layout,
+    name: 'UserManagement',
+    redirect: '/userManagement/permission',
+    //using el svg icon, the elSvgIcon first when at the same time using elSvgIcon and icon
+    meta: { title: '权限管理', elSvgIcon: 'Fold', show_index: 2 },
+    children: [
+      {
+        path: '/userManagement/permission',
+        name: 'Permission',
+        meta: { title: '权限项管理' },
+        component: () => import('@/views/userManagement/permission/index.vue'),
+      },
+    ],
+  })
   const allMenus = menus.length
     ? menus.sort((a, b) => a.meta.show_index - b.meta.show_index)
     : []

src/router/routes/routes-file-two.ts

@@ -24,7 +24,7 @@ const AuthRoutes = {
   name: 'UserManagement',
   redirect: '/userManagement/permission',
   //using el svg icon, the elSvgIcon first when at the same time using elSvgIcon and icon
-  meta: { title: '权限管理', elSvgIcon: 'Fold' },
+  meta: { title: '权限管理', elSvgIcon: 'Fold', show_index: 2 },
   children: [
     {
       path: '/userManagement/permission',

src/utils/validate.ts

@@ -164,19 +164,23 @@ export function translateDataToTreeAll(arr, parentKey, key) {
 }
 
 export function setTree(arr, parentKey, key) {
-  const result: any = []
   const datas: any = []
+  const all: any = []
   for (let i = 0; i < arr.length; i++) {
-    for (let j = 0; j < arr.length - 1; j++) {
+    for (let j = 0; j < arr.length; j++) {
       if (arr[i][key] == arr[j][parentKey]) {
-        const item = arr[i]
         datas.push(arr[j])
-        item.children = datas
-        arr.splice(i, 1)
-      } else {
-        result.push(arr[i])
+        arr[i].children = datas
+        all.push(arr[j])
       }
     }
   }
-  return result
+  const res = [...arr, ...all].filter(
+    (item) =>
+      !(
+        arr.some((p) => item[key] == p[key]) &&
+        all.some((c) => item[key] == c[key])
+      )
+  )
+  return res
 }