fix UserTag bug

显示不在顶层问题

Author: =

src/components/user/UserTag.vue

@@ -1,6 +1,6 @@
 <template>
  <div>
- <Select v-model="roleCode" style="width: 200px" @on-change="changeRole">
+ <Select v-model="roleCode" style="width: 200px" @on-change="changeRole" transfer>
  <Option v-for="item in _roles" :value="item.roleCode" :key="item.roleCode">{{ item.nickName }}</Option>
  </Select>
  </div>