diff --git a/CHANGELOG.md b/CHANGELOG.md
index 194424a8..13e99a88 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,27 @@
+## v1.38.7 (2024-03-08)
+
+FEATURES:
+
+* `resource/ucloud_disk_attachment`: add `device_name` attribute.
+
+## v1.38.6 (2024-02-26)
+
+BUG FIXES:
+
+* `resource/ucloud_instance`: ignore min_cpu_platform change from null to Intel/Auto
+
+## v1.38.5 (2024-02-26)
+
+BUG FIXES:
+
+* `resource/ucloud_instance`: add a default value of min_cpu_platform
+
+## v1.38.4 (2024-02-01)
+
+BUG FIXES:
+
+* `resource/ucloud_instance`: fix panic issue while detaching disk in a host
+
 ## 1.38.3 (2023-11-22)
 
 BUG FIXES:
diff --git a/ucloud/resource_ucloud_disk_attachment.go b/ucloud/resource_ucloud_disk_attachment.go
index c7c39990..eb38c08b 100644
--- a/ucloud/resource_ucloud_disk_attachment.go
+++ b/ucloud/resource_ucloud_disk_attachment.go
@@ -43,6 +43,11 @@ func resourceUCloudDiskAttachment() *schema.Resource {
 				Type:     schema.TypeBool,
 				Optional: true,
 			},
+
+			"device_name": {
+				Type:     schema.TypeString,
+				Computed: true,
+			},
 		},
 	}
 }
@@ -100,6 +105,7 @@ func resourceUCloudDiskAttachmentRead(d *schema.ResourceData, meta interface{})
 	d.Set("availability_zone", d.Get("availability_zone").(string))
 	d.Set("instance_id", resourceSet.UHostId)
 	d.Set("disk_id", resourceSet.UDiskId)
+	d.Set("device_name", resourceSet.DeviceName)
 
 	return nil
 }
diff --git a/website/docs/r/disk_attachment.html.markdown b/website/docs/r/disk_attachment.html.markdown
index 7e200a41..ab2be69c 100644
--- a/website/docs/r/disk_attachment.html.markdown
+++ b/website/docs/r/disk_attachment.html.markdown
@@ -59,4 +59,10 @@ The following arguments are supported:
 * `instance_id` - (Required, ForceNew) The ID of instance.
 * `disk_id` - (Required, ForceNew) The ID of disk that needs to be attached
 * `stop_instance_before_detaching` - (Optional, Boolean) Set this to true to ensure that the target instance is stopped
-  before trying to detach the volume.
\ No newline at end of file
+  before trying to detach the volume.
+
+## Attributes Reference
+
+In addition to all arguments above, the following attributes are exported:
+
+* `device_name` - The device name to expose to the instance, for example `vdb`.
\ No newline at end of file