diff --git a/ruoyi-ui/src/api/system/dept.js b/ruoyi-ui/src/api/system/dept.js
index 2debf5a..0535e8a 100644
--- a/ruoyi-ui/src/api/system/dept.js
+++ b/ruoyi-ui/src/api/system/dept.js
@@ -9,6 +9,14 @@ export function listDept(query) {
   })
 }
 
+// 查询部门列表（排除节点）
+export function listDeptExcludeChild(deptId) {
+  return request({
+    url: '/system/dept/list/exclude/' + deptId,
+    method: 'get'
+  })
+}
+
 // 查询部门详细
 export function getDept(deptId) {
   return request({
diff --git a/ruoyi-ui/src/views/system/dept/index.vue b/ruoyi-ui/src/views/system/dept/index.vue
index ad6b971..ac6d663 100644
--- a/ruoyi-ui/src/views/system/dept/index.vue
+++ b/ruoyi-ui/src/views/system/dept/index.vue
@@ -138,7 +138,7 @@
 </template>
 
 <script>
-import { listDept, getDept, delDept, addDept, updateDept } from "@/api/system/dept";
+import { listDept, getDept, delDept, addDept, updateDept, listDeptExcludeChild } from "@/api/system/dept";
 import Treeselect from "@riophae/vue-treeselect";
 import "@riophae/vue-treeselect/dist/vue-treeselect.css";
 
@@ -220,12 +220,6 @@ export default {
         children: node.children
       };
     },
-    /** 查询部门下拉树结构 */
-    getTreeselect() {
-      listDept().then(response => {
-        this.deptOptions = this.handleTree(response.data, "deptId");
-      });
-    },
     // 字典状态字典翻译
     statusFormat(row, column) {
       return this.selectDictLabel(this.statusOptions, row.status);
@@ -256,22 +250,26 @@ export default {
     /** 新增按钮操作 */
     handleAdd(row) {
       this.reset();
-      this.getTreeselect();
       if (row != undefined) {
         this.form.parentId = row.deptId;
       }
       this.open = true;
       this.title = "添加部门";
+      listDept().then(response => {
+	        this.deptOptions = this.handleTree(response.data, "deptId");
+      });
     },
     /** 修改按钮操作 */
     handleUpdate(row) {
       this.reset();
-      this.getTreeselect();
       getDept(row.deptId).then(response => {
         this.form = response.data;
         this.open = true;
         this.title = "修改部门";
       });
+      listDeptExcludeChild(row.deptId).then(response => {
+	        this.deptOptions = this.handleTree(response.data, "deptId");
+      });
     },
     /** 提交按钮 */
     submitForm: function() {
diff --git a/ruoyi/src/main/java/com/ruoyi/project/system/controller/SysDeptController.java b/ruoyi/src/main/java/com/ruoyi/project/system/controller/SysDeptController.java
index 21b0576..e549a43 100644
--- a/ruoyi/src/main/java/com/ruoyi/project/system/controller/SysDeptController.java
+++ b/ruoyi/src/main/java/com/ruoyi/project/system/controller/SysDeptController.java
@@ -1,6 +1,8 @@
 package com.ruoyi.project.system.controller;
 
+import java.util.Iterator;
 import java.util.List;
+import org.apache.commons.lang3.ArrayUtils;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.security.access.prepost.PreAuthorize;
 import org.springframework.validation.annotation.Validated;
@@ -45,6 +47,27 @@ public class SysDeptController extends BaseController
         return AjaxResult.success(depts);
     }
 
+    /**
+     * 查询部门列表（排除节点）
+     */
+    @PreAuthorize("@ss.hasPermi('system:dept:list')")
+    @GetMapping("/list/exclude/{deptId}")
+    public AjaxResult excludeChild(@PathVariable(value = "deptId", required = false) Long deptId)
+    {
+        List<SysDept> depts = deptService.selectDeptList(new SysDept());
+        Iterator<SysDept> it = depts.iterator();
+        while (it.hasNext())
+        {
+            SysDept d = (SysDept) it.next();
+            if (d.getDeptId().intValue() == deptId
+                    || ArrayUtils.contains(StringUtils.split(d.getAncestors(), ","), deptId + ""))
+            {
+                it.remove();
+            }
+        }
+        return AjaxResult.success(depts);
+    }
+
     /**
      * 根据部门编号获取详细信息
      */