Instance Creation requires a vSwitch ID after using RunInstances about terraform-provider-alicloud HOT 2 OPEN

provider "alicloud" {
}

data "alicloud_zones" "zones_ds" {
  "available_instance_type" = "${var.instance_type}"
}

resource "alicloud_vpc" "vpc" {
  name       = "tf_test_foo"
  cidr_block = "172.16.0.0/12"
}

resource "alicloud_vswitch" "vsw" {
  vpc_id            = "${alicloud_vpc.vpc.id}"
  cidr_block        = "172.16.0.0/21"
  availability_zone = "${data.alicloud_zones.zones_ds.zones.0.id}"
}

resource "alicloud_security_group" "default" {
  name   = "default"
  description = "default"
  vpc_id = "${alicloud_vpc.vpc.id}"
}

resource "alicloud_instance" "test" {
  count           = 2
  image_id        = "${var.image_id}"
  instance_type   = "${var.instance_type}"
  security_groups = ["${alicloud_security_group.default.id}"]
  tags            = "${var.tag}"
  vswitch_id      = "${alicloud_vswitch.vsw.id}"
}