diff --git a/.changelog/3204.txt b/.changelog/3204.txt
new file mode 100644
index 0000000000..d1a28ac963
--- /dev/null
+++ b/.changelog/3204.txt
@@ -0,0 +1,3 @@
+```release-note:enhancement
+resource/tencentcloud_kubernetes_addon: update doc
+```
\ No newline at end of file
diff --git a/tencentcloud/services/tke/resource_tc_kubernetes_addon.md b/tencentcloud/services/tke/resource_tc_kubernetes_addon.md
index 8450fb0180..f85b3594f9 100644
--- a/tencentcloud/services/tke/resource_tc_kubernetes_addon.md
+++ b/tencentcloud/services/tke/resource_tc_kubernetes_addon.md
@@ -2,35 +2,33 @@ Provide a resource to configure kubernetes cluster app addons.
 
 Example Usage
 
-Install cos addon
+Install tcr addon
 
 ```hcl
-
-resource "tencentcloud_kubernetes_cluster" "example" {
-  vpc_id                  = "vpc-xxxxxxxx"
-  cluster_cidr            = "10.31.0.0/16"
-  cluster_max_pod_num     = 32
-  cluster_name            = "tf_example_cluster"
-  cluster_desc            = "example for tke cluster"
-  cluster_max_service_num = 32
-  cluster_internet        = false # (can be ignored) open it after the nodes added
-  cluster_version         = "1.22.5"
-  cluster_deploy_type     = "MANAGED_CLUSTER"
-  # without any worker config
-}
-
-resource "tencentcloud_kubernetes_addon" "kubernetes_addon" {
-  cluster_id = tencentcloud_kubernetes_cluster.example.id
-  addon_name    = "cos"
-  addon_version = "2018-05-25"
-  raw_values    = "e30="
+resource "tencentcloud_kubernetes_addon" "example" {
+  cluster_id = "cls-k2o1ws9g"
+  addon_name = "tcr"
+  raw_values = jsonencode({
+    global = {
+      imagePullSecretsCrs = [
+        {
+          name            = "tcr-h3ff76s9"
+          namespaces      = "*"
+          serviceAccounts = "*"
+          type            = "docker"
+          dockerUsername  = "100038911322"
+          dockerPassword  = "eyJhbGciOiJSUzI1NiIsImtpZCI6************"
+          dockerServer    = "testcd.tencentcloudcr.com"
+        }
+      ]
+    }
+  })
 }
-
 ```
 
 Import
 
-Addon can be imported by using cluster_id#addon_name
+kubernetes cluster app addons can be imported using the id, e.g.
 ```
-$ terraform import tencentcloud_kubernetes_addon.addon_cos cls-xxx#addon_name
+$ terraform import tencentcloud_kubernetes_addon.example cls-k2o1ws9g#tcr
 ```
\ No newline at end of file
diff --git a/website/docs/r/kubernetes_addon.html.markdown b/website/docs/r/kubernetes_addon.html.markdown
index 676b32c7ba..6ee59e87db 100644
--- a/website/docs/r/kubernetes_addon.html.markdown
+++ b/website/docs/r/kubernetes_addon.html.markdown
@@ -13,27 +13,27 @@ Provide a resource to configure kubernetes cluster app addons.
 
 ## Example Usage
 
-### Install cos addon
+### Install tcr addon
 
 ```hcl
-resource "tencentcloud_kubernetes_cluster" "example" {
-  vpc_id                  = "vpc-xxxxxxxx"
-  cluster_cidr            = "10.31.0.0/16"
-  cluster_max_pod_num     = 32
-  cluster_name            = "tf_example_cluster"
-  cluster_desc            = "example for tke cluster"
-  cluster_max_service_num = 32
-  cluster_internet        = false # (can be ignored) open it after the nodes added
-  cluster_version         = "1.22.5"
-  cluster_deploy_type     = "MANAGED_CLUSTER"
-  # without any worker config
-}
-
-resource "tencentcloud_kubernetes_addon" "kubernetes_addon" {
-  cluster_id    = tencentcloud_kubernetes_cluster.example.id
-  addon_name    = "cos"
-  addon_version = "2018-05-25"
-  raw_values    = "e30="
+resource "tencentcloud_kubernetes_addon" "example" {
+  cluster_id = "cls-k2o1ws9g"
+  addon_name = "tcr"
+  raw_values = jsonencode({
+    global = {
+      imagePullSecretsCrs = [
+        {
+          name            = "tcr-h3ff76s9"
+          namespaces      = "*"
+          serviceAccounts = "*"
+          type            = "docker"
+          dockerUsername  = "100038911322"
+          dockerPassword  = "eyJhbGciOiJSUzI1NiIsImtpZCI6************"
+          dockerServer    = "testcd.tencentcloudcr.com"
+        }
+      ]
+    }
+  })
 }
 ```
 
@@ -57,8 +57,8 @@ In addition to all arguments above, the following attributes are exported:
 
 ## Import
 
-Addon can be imported by using cluster_id#addon_name
+kubernetes cluster app addons can be imported using the id, e.g.
 ```
-$ terraform import tencentcloud_kubernetes_addon.addon_cos cls-xxx#addon_name
+$ terraform import tencentcloud_kubernetes_addon.example cls-k2o1ws9g#tcr
 ```