diff --git a/.changelog/3129.txt b/.changelog/3129.txt
new file mode 100644
index 0000000000..fcb4b0e21d
--- /dev/null
+++ b/.changelog/3129.txt
@@ -0,0 +1,3 @@
+```release-note:enhancement
+resource/tencentcloud_cbs_disk_backup: update resource creation error message
+```
diff --git a/tencentcloud/services/cbs/resource_tc_cbs_disk_backup.go b/tencentcloud/services/cbs/resource_tc_cbs_disk_backup.go
index d0107eb32e..1a8215c11a 100644
--- a/tencentcloud/services/cbs/resource_tc_cbs_disk_backup.go
+++ b/tencentcloud/services/cbs/resource_tc_cbs_disk_backup.go
@@ -60,7 +60,7 @@ func resourceTencentCloudCbsDiskBackupCreate(d *schema.ResourceData, meta interf
 	service := CbsService{client: meta.(tccommon.ProviderMeta).GetAPIV3Conn()}
 	diskBackupId, err := service.CreateDiskBackup(ctx, diskId, diskBackupName)
 	if err != nil {
-		return nil
+		return err
 	}
 	d.SetId(diskBackupId)
 	err = resource.Retry(tccommon.WriteRetryTimeout, func() *resource.RetryError {
diff --git a/tencentcloud/services/cbs/resource_tc_cbs_disk_backup.md b/tencentcloud/services/cbs/resource_tc_cbs_disk_backup.md
index 25d7b76c60..1500b153fe 100644
--- a/tencentcloud/services/cbs/resource_tc_cbs_disk_backup.md
+++ b/tencentcloud/services/cbs/resource_tc_cbs_disk_backup.md
@@ -1,22 +1,34 @@
-Provides a resource to create a cbs disk_backup.
+Provides a resource to create a CBS disk backup.
 
-~> **NOTE:** Backup quota must greater than 1.
+~> **NOTE:** The parameter `disk_backup_quota` in the resource `tencentcloud_cbs_storage` must be greater than 1.
 
 Example Usage
 
 ```hcl
-
-	resource "tencentcloud_cbs_disk_backup" "disk_backup" {
-	  disk_id = "disk-xxx"
-	  disk_backup_name = "xxx"
-	}
-
+resource "tencentcloud_cbs_storage" "example" {
+  storage_name      = "tf-example"
+  storage_type      = "CLOUD_SSD"
+  storage_size      = 100
+  availability_zone = "ap-guangzhou-6"
+  project_id        = 0
+  encrypt           = false
+  disk_backup_quota = 3
+
+  tags = {
+    createBy = "Terraform"
+  }
+}
+
+resource "tencentcloud_cbs_disk_backup" "example" {
+  disk_id          = tencentcloud_cbs_storage.example.id
+  disk_backup_name = "tf-example"
+}
 ```
 
 Import
 
-cbs disk_backup can be imported using the id, e.g.
+CBS disk backup can be imported using the id, e.g.
 
 ```
-terraform import tencentcloud_cbs_disk_backup.disk_backup disk_backup_id
+terraform import tencentcloud_cbs_disk_backup.example dbp-qax6zwvr
 ```
\ No newline at end of file
diff --git a/website/docs/r/cbs_disk_backup.html.markdown b/website/docs/r/cbs_disk_backup.html.markdown
index f2ad9395d3..a7a7516cba 100644
--- a/website/docs/r/cbs_disk_backup.html.markdown
+++ b/website/docs/r/cbs_disk_backup.html.markdown
@@ -4,21 +4,35 @@ layout: "tencentcloud"
 page_title: "TencentCloud: tencentcloud_cbs_disk_backup"
 sidebar_current: "docs-tencentcloud-resource-cbs_disk_backup"
 description: |-
-  Provides a resource to create a cbs disk_backup.
+  Provides a resource to create a CBS disk backup.
 ---
 
 # tencentcloud_cbs_disk_backup
 
-Provides a resource to create a cbs disk_backup.
+Provides a resource to create a CBS disk backup.
 
-~> **NOTE:** Backup quota must greater than 1.
+~> **NOTE:** The parameter `disk_backup_quota` in the resource `tencentcloud_cbs_storage` must be greater than 1.
 
 ## Example Usage
 
 ```hcl
-resource "tencentcloud_cbs_disk_backup" "disk_backup" {
-  disk_id          = "disk-xxx"
-  disk_backup_name = "xxx"
+resource "tencentcloud_cbs_storage" "example" {
+  storage_name      = "tf-example"
+  storage_type      = "CLOUD_SSD"
+  storage_size      = 100
+  availability_zone = "ap-guangzhou-6"
+  project_id        = 0
+  encrypt           = false
+  disk_backup_quota = 3
+
+  tags = {
+    createBy = "Terraform"
+  }
+}
+
+resource "tencentcloud_cbs_disk_backup" "example" {
+  disk_id          = tencentcloud_cbs_storage.example.id
+  disk_backup_name = "tf-example"
 }
 ```
 
@@ -39,9 +53,9 @@ In addition to all arguments above, the following attributes are exported:
 
 ## Import
 
-cbs disk_backup can be imported using the id, e.g.
+CBS disk backup can be imported using the id, e.g.
 
 ```
-terraform import tencentcloud_cbs_disk_backup.disk_backup disk_backup_id
+terraform import tencentcloud_cbs_disk_backup.example dbp-qax6zwvr
 ```