diff --git a/src/views/question/editor.vue b/src/views/question/editor.vue
index cff8a86..fa54f99 100644
--- a/src/views/question/editor.vue
+++ b/src/views/question/editor.vue
@@ -283,7 +283,7 @@ export default class extends Vue {
     document.title = `${title} - ${this.postForm._id}`
   }
 
-  private typeChange(_: string[]) {
+  private typeChange() {
     this.postForm.tag = this.typeSelect[0]
     this.postForm.sub_tag = this.typeSelect[1]
   }
diff --git a/src/views/shop/list.vue b/src/views/shop/list.vue
index a7c919f..f43dde1 100644
--- a/src/views/shop/list.vue
+++ b/src/views/shop/list.vue
@@ -104,7 +104,6 @@ import { IShopData } from '@/api/types'
 import Pagination from '@/components/Pagination/index.vue'
 import { deleteShop, getShops } from '@/api/shop'
 import { parseTime } from '@/utils'
-import { Form } from 'element-ui'
 
 @Component({
   name: 'ShopList',
diff --git a/src/views/system/permission.vue b/src/views/system/permission.vue
index 41671f7..90f36d1 100644
--- a/src/views/system/permission.vue
+++ b/src/views/system/permission.vue
@@ -137,7 +137,7 @@ export interface ITreeData{
   id: string
   label: string
   actions: string[]
-  level: number
+  level?: number
   children: ITreeData[]
 }
 
@@ -157,7 +157,7 @@ export default class extends Vue {
   private loading = true
   private dialogType = 'new'
   private dialogVisible = false
-  private record: ITreeData = {}
+  private record: ITreeData = this.initData()
   private actions = [
     'read', 'edit', 'delete'
   ]
@@ -329,7 +329,7 @@ export default class extends Vue {
   }
 
   // begin of tree drag
-  private allowDrop(draggingNode, dropNode, type) {
+  private allowDrop(draggingNode: TreeNode<any, any>, dropNode: TreeNode<any, any>, type: string) {
     if (type === 'inner') {
       return dropNode.level === 1
     } else {
@@ -337,7 +337,7 @@ export default class extends Vue {
     }
   }
 
-  private allowDrag(draggingNode) {
+  private allowDrag(draggingNode: TreeNode<any, any>) {
     return draggingNode.level === 2
   }
   // end of tree drag
diff --git a/src/views/system/role.vue b/src/views/system/role.vue
index ea22338..32bd142 100644
--- a/src/views/system/role.vue
+++ b/src/views/system/role.vue
@@ -216,6 +216,10 @@ export default class extends Vue {
 
   }
 
+  $refs!: {
+    modalForm: HTMLFormElement
+  }
+
   async created() {
     await this.getRoles()
     await this.getRemotePermissions()