Vue-admin-template 添加、跳转子页面问题

{
  path: 'role/permission/:id(\\d+)',
  name: 'PermissionConfig',
  component: () => import('@/views/system/role/permission/index'),
  meta: { title: 'permissionConfig', icon: 'table' },
  hidden: true
}

<el-button size="mini" type="success" @click="handlePermission(scope.row)">{{ $t('role.permission') }}</el-button>

handlePermission(row) {
  
  this.$router.push({ path: `/system/role/permission/${row.id}` })
}

<router-link :to="'/system/role/permission/'+scope.row.id">
  <el-button type="primary" size="small" icon="el-icon-edit">Edit</el-button>
</router-link>

<template>
  <div>
    {{ this.$route.params }}
    {{ this.$route.params.id }}
  </div>
</template>

<script>
export default {
  name: 'PermissionConfig',
  data() {
    return {
      id: '',
      list: []
    }
  },
  created() {
    this.id = this.$route.params.id
    this.a()
  },
  methods: {
    a() {
      console.log(this.id)
    }
  }
}
</script>

<style scoped>

</style>