diff --git a/src/components/jerobiz/modal/JSelectDepartModal.vue b/src/components/jerobiz/modal/JSelectDepartModal.vue
index 3a02ac05..4a4bec0c 100644
--- a/src/components/jerobiz/modal/JSelectDepartModal.vue
+++ b/src/components/jerobiz/modal/JSelectDepartModal.vue
@@ -13,6 +13,7 @@
     <a-spin tip="Loading..." :spinning="false">
       <a-input-search style="margin-bottom: 1px" :placeholder="$t('selectDepartment.enterDepartmentPressEnter')" @search="onSearch" />
       <a-tree
+        ref="tree"
         :checkable="true"
         :class="treeScreenClass"
         :treeData="treeData"
@@ -310,20 +311,58 @@ export default {
       }
       return rows
     },
+    // 获取currKeys及其子节点
+    getChildrenTreeData (currKeys, treeData) {
+      const childrenKeys = []
+      for (let i = 0; i < treeData.length; i++) {
+        if (currKeys.includes(treeData[i].key)) {
+          childrenKeys.push(treeData[i].key)
+          if (treeData[i].children) {
+            const childrenKeysArr = this.getChildrenKeys(treeData[i].children)
+            childrenKeys.push(...childrenKeysArr)
+          }
+        }
+        if (treeData[i].children) {
+          childrenKeys.push(...this.getChildrenTreeData(currKeys, treeData[i].children))
+        }
+      }
+      return childrenKeys
+    },
+    // 把传入的树结构key值全部存成一个数组
+    getChildrenKeys (treeData) {
+      const arr = []
+      for (const item of treeData) {
+        arr.push(item.key)
+        if (item.children) {
+          arr.push(...this.getChildrenKeys(item.children))
+        }
+      }
+      return arr
+    },
+    // 获取所有子节点全选的父节点
+    getChildAllCheckNode (treeData) {
+      const nodeKeys = []
+      for (const item of treeData) {
+        if (item.children) {
+          if (item.children.every(i => this.checkedKeys.includes(i.key))) {
+            // 子节点每一个都选中了
+            nodeKeys.push(item.key)
+          }
+          nodeKeys.push(...this.getChildAllCheckNode(item.children))
+        }
+      }
+      return nodeKeys
+    },
     switchCheckStrictly (v) {
       if (v === 1) {
         this.checkStrictly = false
+        const allChildrenCheckKeys = this.getChildAllCheckNode(this.treeData)
+        const allChildrenKeys = this.getChildrenTreeData(this.checkedKeys, this.treeData)
+        this.checkedKeys = Array.from([...allChildrenCheckKeys, ...allChildrenKeys])
+        this.checkedRows = this.getCheckedRows(this.checkedKeys)
       } else if (v === 2) {
         this.checkStrictly = true
       }
-      this.$nextTick(() => {
-        const dom = document.getElementsByClassName('ant-tree-checkbox')
-        console.log(dom)
-        dom[0].click()
-        setTimeout(() => {
-          dom[0].click()
-        }, 0)
-      })
     },
     isFullscreen (val) {
       this.fullscreen = val