diff --git a/logic/a_logic.go b/logic/a_logic.go
index a31e9c9..a85dfc6 100644
--- a/logic/a_logic.go
+++ b/logic/a_logic.go
@@ -364,3 +364,23 @@ func InitCron() {
 	}
 	c.Start()
 }
+
+func GroupListToTree(rootId string, groupList []*model.Group) *model.Group {
+	// 创建空根节点
+	rootGroup := &model.Group{SourceDeptId: rootId}
+	rootGroup.Children = groupListToTree(rootGroup, groupList)
+	return rootGroup
+}
+
+func groupListToTree(rootGroup *model.Group, list []*model.Group) []*model.Group {
+	children := make([]*model.Group, 0)
+	for _, group := range list {
+		if group.SourceDeptParentId == rootGroup.SourceDeptId {
+			children = append(children, group)
+		}
+	}
+	for _, group := range children {
+		group.Children = groupListToTree(group, list)
+	}
+	return children
+}
diff --git a/logic/dingtalk_logic.go b/logic/dingtalk_logic.go
index 9bb4f7f..6903cf4 100644
--- a/logic/dingtalk_logic.go
+++ b/logic/dingtalk_logic.go
@@ -26,32 +26,31 @@ func (d *DingTalkLogic) SyncDingTalkDepts(c *gin.Context, req interface{}) (data
 	if err != nil {
 		return nil, tools.NewOperationError(fmt.Errorf("转换钉钉部门数据失败：%s", err.Error()))
 	}
-	// 2.将部门这个数组进行拆分，一组是父ID为1的，一组是父ID不为1的
-	var firstDepts []*model.Group
-	var otherDepts []*model.Group
+
+	// 2.将远程数据转换成树
+	deptTree := GroupListToTree(fmt.Sprintf("%s_1", config.Conf.DingTalk.Flag), depts)
+
+	// 3.根据树进行创建
+	err = d.addDepts(deptTree.Children)
+
+	return nil, err
+}
+
+// 添加部门
+func (d DingTalkLogic) addDepts(depts []*model.Group) error {
 	for _, dept := range depts {
-		if dept.SourceDeptParentId == fmt.Sprintf("%s_1", config.Conf.DingTalk.Flag) {
-			firstDepts = append(firstDepts, dept)
-		} else {
-			otherDepts = append(otherDepts, dept)
-		}
-	}
-
-	// 3.先写父ID为1的，再写父ID不为1的，因为数据库中需要获取父部门的ID，从远程过来的数据并没有这个ID，而父ID为1的则是固定根部门下的一级部门
-	for _, dept := range firstDepts {
 		err := d.AddDepts(dept)
 		if err != nil {
-			return nil, tools.NewOperationError(fmt.Errorf("DsyncDingTalkDepts添加根部门失败：%s", err.Error()))
+			return tools.NewOperationError(fmt.Errorf("DsyncDingTalkDepts添加部门失败: %s", err.Error()))
+		}
+		if len(dept.Children) != 0 {
+			err = d.addDepts(dept.Children)
+			if err != nil {
+				return tools.NewOperationError(fmt.Errorf("DsyncDingTalkDepts添加部门失败: %s", err.Error()))
+			}
 		}
 	}
-	for _, dept := range otherDepts {
-		err := d.AddDepts(dept)
-		if err != nil {
-			return nil, tools.NewOperationError(fmt.Errorf("DsyncDingTalkDepts添加其他部门失败：%s", err.Error()))
-		}
-	}
-
-	return nil, nil
+	return nil
 }
 
 // AddGroup 添加部门数据