优化代码

-如果使用的是RuoYi-Vue3前端，那么需要覆盖一下此目录的模板index.vue.vm、index-tree.vue.vm文件到上级vue目录。
\ No newline at end of file

@@ -168,7 +168,7 @@ export default {
     // 删除图片
     handleDelete(file) {
       const findex = this.fileList.map(f => f.name).indexOf(file.name);
-      if(findex > -1) {
+      if (findex > -1) {
         this.fileList.splice(findex, 1);
         this.$emit("input", this.listToString(this.fileList));
       }

 /**
-* v-dialogDragWidth 可拖动弹窗高度（右下角）
-* Copyright (c) 2019 ruoyi
-*/
+ * v-dialogDragWidth 可拖动弹窗高度（右下角）
+ * Copyright (c) 2019 ruoyi
+ */
 
 export default {
   bind(el) {

 /**
-* v-dialogDragWidth 可拖动弹窗宽度（右侧边）
-* Copyright (c) 2019 ruoyi
-*/
+ * v-dialogDragWidth 可拖动弹窗宽度（右侧边）
+ * Copyright (c) 2019 ruoyi
+ */
 
 export default {
   bind(el) {

@@ -13,8 +13,8 @@
         <item v-if="item.meta" :icon="item.meta && item.meta.icon" :title="item.meta.title" />
       </template>
       <sidebar-item
-        v-for="child in item.children"
-        :key="child.path"
+        v-for="(child, index) in item.children"
+        :key="child.path + index"
         :is-nest="true"
         :item="child"
         :base-path="resolvePath(child.path)"

@@ -60,7 +60,7 @@ export default {
   },
   // 添加tab页签
   openPage(title, url, params) {
-    var obj = { path: url, meta: { title: title } }
+    const obj = { path: url, meta: { title: title } }
     store.dispatch('tagsView/addView', obj);
     return router.push({ path: url, query: params });
   },

@@ -15,10 +15,8 @@ export function checkPermi(value) {
       return all_permission === permission || permissionDatas.includes(permission)
     })
 
-    if (!hasPermission) {
-      return false
-    }
-    return true
+    return hasPermission;
+
   } else {
     console.error(`need roles! Like checkPermi="['system:user:add','system:user:edit']"`)
     return false
@@ -40,10 +38,8 @@ export function checkRole(value) {
       return super_admin === role || permissionRoles.includes(role)
     })
 
-    if (!hasRole) {
-      return false
-    }
-    return true
+    return hasRole;
+
   } else {
     console.error(`need roles! Like checkRole="['admin','editor']"`)
     return false

@@ -65,10 +65,7 @@ export function validEmail(email) {
  * @returns {Boolean}
  */
 export function isString(str) {
-  if (typeof str === 'string' || str instanceof String) {
-    return true
-  }
-  return false
+  return typeof str === 'string' || str instanceof String;
 }
 
 /**