diff --git a/website/docs/r/cr_chain.html.markdown b/website/docs/r/cr_chain.html.markdown
index 47f51fcf175e..5da9b2a32957 100644
--- a/website/docs/r/cr_chain.html.markdown
+++ b/website/docs/r/cr_chain.html.markdown
@@ -30,18 +30,23 @@ variable "name" {
   default = "tf-example"
 }
 
+resource "random_integer" "default" {
+  min = 100000
+  max = 999999
+}
+
 resource "alicloud_cr_ee_instance" "default" {
   payment_type   = "Subscription"
   period         = 1
   renew_period   = 0
   renewal_status = "ManualRenewal"
   instance_type  = "Advanced"
-  instance_name  = var.name
+  instance_name  = "${var.name}-${random_integer.default.result}"
 }
 
 resource "alicloud_cr_ee_namespace" "default" {
   instance_id        = alicloud_cr_ee_instance.default.id
-  name               = var.name
+  name               = "${var.name}-${random_integer.default.result}"
   auto_create        = false
   default_visibility = "PUBLIC"
 }
@@ -49,14 +54,14 @@ resource "alicloud_cr_ee_namespace" "default" {
 resource "alicloud_cr_ee_repo" "default" {
   instance_id = alicloud_cr_ee_instance.default.id
   namespace   = alicloud_cr_ee_namespace.default.name
-  name        = var.name
+  name        = "${var.name}-${random_integer.default.result}"
   summary     = "this is summary of my new repo"
   repo_type   = "PUBLIC"
   detail      = "this is a public repo"
 }
 
 resource "alicloud_cr_chain" "default" {
-  chain_name          = var.name
+  chain_name          = "${var.name}-${random_integer.default.result}"
   description         = var.name
   instance_id         = alicloud_cr_ee_namespace.default.instance_id
   repo_name           = alicloud_cr_ee_repo.default.name
diff --git a/website/docs/r/cr_chart_repository.html.markdown b/website/docs/r/cr_chart_repository.html.markdown
index 69d218cf05ef..2886e8b3fd06 100644
--- a/website/docs/r/cr_chart_repository.html.markdown
+++ b/website/docs/r/cr_chart_repository.html.markdown
@@ -29,24 +29,30 @@ Basic Usage
 variable "name" {
   default = "tf-example"
 }
+
+resource "random_integer" "default" {
+  min = 100000
+  max = 999999
+}
+
 resource "alicloud_cr_ee_instance" "example" {
   payment_type   = "Subscription"
   period         = 1
   renew_period   = 0
   renewal_status = "ManualRenewal"
   instance_type  = "Advanced"
-  instance_name  = var.name
+  instance_name  = "${var.name}-${random_integer.default.result}"
 }
 
 resource "alicloud_cr_chart_namespace" "example" {
   instance_id    = alicloud_cr_ee_instance.example.id
-  namespace_name = var.name
+  namespace_name = "${var.name}-${random_integer.default.result}"
 }
 
 resource "alicloud_cr_chart_repository" "example" {
   repo_namespace_name = alicloud_cr_chart_namespace.example.namespace_name
   instance_id         = alicloud_cr_chart_namespace.example.instance_id
-  repo_name           = var.name
+  repo_name           = "${var.name}-${random_integer.default.result}"
 }
 ```
 
diff --git a/website/docs/r/cr_repo.html.markdown b/website/docs/r/cr_repo.html.markdown
index 050a7680a25e..e76e6d92a2cb 100644
--- a/website/docs/r/cr_repo.html.markdown
+++ b/website/docs/r/cr_repo.html.markdown
@@ -39,8 +39,8 @@ resource "alicloud_cr_repo" "example" {
   namespace = alicloud_cr_namespace.example.name
   name      = var.name
   summary   = "this is summary of my new repo"
-  repo_type = "PUBLIC"
-  detail    = "this is a public repo"
+  repo_type = "PRIVATE"
+  detail    = "this is a private repo"
 }
 ```
 
@@ -53,16 +53,16 @@ The following arguments are supported:
 * `summary` - (Required) The repository general information. It can contain 1 to 80 characters.
 * `repo_type` - (Required) `PUBLIC` or `PRIVATE`, repo's visibility.
 * `detail` - (Optional) The repository specific information. MarkDown format is supported, and the length limit is 2000.
-* `domain_list` - (Optional) The repository domain list.
-  * `public` - Domain of public endpoint.
-  * `internal` - Domain of internal endpoint, only in some regions.
-  * `vpc` - Domain of vpc endpoint.
 
 ## Attributes Reference
 
 The following attributes are exported:
 
 * `id` - The id of Container Registry repository. The value is in format `namespace/repository`.
+* `domain_list` - (Optional) The repository domain list.
+  * `public` - Domain of public endpoint.
+  * `internal` - Domain of internal endpoint, only in some regions.
+  * `vpc` - Domain of vpc endpoint.
 
 ## Import
 
diff --git a/website/docs/r/cr_vpc_endpoint_linked_vpc.html.markdown b/website/docs/r/cr_vpc_endpoint_linked_vpc.html.markdown
index 4a929cff71b4..214d8a21153d 100644
--- a/website/docs/r/cr_vpc_endpoint_linked_vpc.html.markdown
+++ b/website/docs/r/cr_vpc_endpoint_linked_vpc.html.markdown
@@ -29,16 +29,22 @@ Basic Usage
 variable "name" {
   default = "tf-example"
 }
+
+resource "random_integer" "default" {
+  min = 100000
+  max = 999999
+}
+
 data "alicloud_zones" "default" {
   available_resource_creation = "VSwitch"
 }
 resource "alicloud_vpc" "default" {
-  vpc_name   = var.name
+  vpc_name   = "${var.name}-${random_integer.default.result}"
   cidr_block = "10.4.0.0/16"
 }
 
 resource "alicloud_vswitch" "default" {
-  vswitch_name = var.name
+  vswitch_name = "${var.name}-${random_integer.default.result}"
   cidr_block   = "10.4.0.0/24"
   vpc_id       = alicloud_vpc.default.id
   zone_id      = data.alicloud_zones.default.zones.0.id
@@ -50,7 +56,7 @@ resource "alicloud_cr_ee_instance" "default" {
   renew_period   = 0
   renewal_status = "ManualRenewal"
   instance_type  = "Advanced"
-  instance_name  = var.name
+  instance_name  = "${var.name}-${random_integer.default.result}"
 }
 
 resource "alicloud_cr_vpc_endpoint_linked_vpc" "default" {