diff --git a/dao/task_dao.go b/dao/task_dao.go
index 9adb27a..818e9f9 100644
--- a/dao/task_dao.go
+++ b/dao/task_dao.go
@@ -30,6 +30,19 @@ func (d *taskDao) Insert(ctx context.Context, req *entity.AsynchTask) (id int64,
 	return r.LastInsertId()
 }
 
+// Update 更新
+func (d *taskDao) Update(ctx context.Context, req *entity.AsynchTask) (rows int64, err error) {
+	r, err := gfdb.DB(ctx, public.DbNameModelGateway).Model(ctx, public.TableNameTask).
+		OmitEmpty().
+		Data(&req).
+		Where(entity.AsynchTaskCol.Id, req.Id).
+		Update()
+	if err != nil {
+		return
+	}
+	return r.RowsAffected()
+}
+
 // Get 获取
 func (d *taskDao) Get(ctx context.Context, req *entity.AsynchTask, fields ...string) (m *entity.AsynchTask, err error) {
 	r, err := gfdb.DB(ctx, public.DbNameModelGateway).Model(ctx, public.TableNameTask).