perf[treeTable]: set treeTable to keep-alive

src/router/index.js

@@ -154,8 +154,8 @@ export const asyncRouterMap = [
           { path: 'dynamic-table', component: _import('example/table/dynamicTable/index'), name: 'dynamicTable', meta: { title: 'dynamicTable' }},
           { path: 'drag-table', component: _import('example/table/dragTable'), name: 'dragTable', meta: { title: 'dragTable' }},
           { path: 'inline-edit-table', component: _import('example/table/inlineEditTable'), name: 'inlineEditTable', meta: { title: 'inlineEditTable' }},
-          { path: 'tree-table', component: _import('example/table/treeTable/treeTable'), name: 'treeTable', meta: { title: 'treeTable' }},
-          { path: 'custom-tree-table', component: _import('example/table/treeTable/customTreeTable'), name: 'customTreeTable', meta: { title: 'customTreeTable' }},
+          { path: 'tree-table', component: _import('example/table/treeTable/treeTable'), name: 'treeTableDemo', meta: { title: 'treeTable' }},
+          { path: 'custom-tree-table', component: _import('example/table/treeTable/customTreeTable'), name: 'customTreeTableDemo', meta: { title: 'customTreeTable' }},
           { path: 'complex-table', component: _import('example/table/complexTable'), name: 'complexTable', meta: { title: 'complexTable' }}
         ]
       },

src/views/example/table/treeTable/customTreeTable.vue

@@ -43,7 +43,7 @@ import treeTable from '@/components/TreeTable'
 import treeToArray from './customEval'
 
 export default {
-  name: 'tree',
+  name: 'customTreeTableDemo',
   components: { treeTable },
   data() {
     return {

src/views/example/table/treeTable/treeTable.vue

@@ -18,7 +18,7 @@
 import treeTable from '@/components/TreeTable'
 
 export default {
-  name: 'tree',
+  name: 'treeTableDemo',
   components: { treeTable },
   data() {
     return {