terraform alicloud not support tags

[harverywxu]

在terrafrom官网上看到是支持tags打标签的，但是实际上确并不支持，
Error: Unsupported argument

on ../modules/es/main.tf line 20, in resource "alicloud_elasticsearch_instance" "instance":
20: tags = var.tags

An argument named "tags" is not expected here.