diff --git a/tencentcloud/services/mqtt/resource_tc_mqtt_device_certificate.go b/tencentcloud/services/mqtt/resource_tc_mqtt_device_certificate.go
index b6820595a5..470e5d1b6a 100644
--- a/tencentcloud/services/mqtt/resource_tc_mqtt_device_certificate.go
+++ b/tencentcloud/services/mqtt/resource_tc_mqtt_device_certificate.go
@@ -27,36 +27,44 @@ func ResourceTencentCloudMqttDeviceCertificate() *schema.Resource {
 			"instance_id": {
 				Type:        schema.TypeString,
 				Required:    true,
+				ForceNew:    true,
 				Description: "Instance ID.",
 			},
 
 			"device_certificate": {
 				Type:        schema.TypeString,
 				Required:    true,
+				ForceNew:    true,
 				Description: "Device certificate.",
 			},
 
 			"ca_sn": {
 				Type:        schema.TypeString,
 				Required:    true,
+				ForceNew:    true,
 				Description: "Associated CA certificate SN.",
 			},
 
 			"client_id": {
 				Type:        schema.TypeString,
 				Optional:    true,
+				Computed:    true,
+				ForceNew:    true,
 				Description: "Client ID.",
 			},
 
 			"format": {
 				Type:        schema.TypeString,
 				Optional:    true,
+				Computed:    true,
+				ForceNew:    true,
 				Description: "Certificate format, Default is PEM.",
 			},
 
 			"status": {
 				Type:         schema.TypeString,
 				Optional:     true,
+				Computed:     true,
 				ValidateFunc: tccommon.ValidateAllowedStringValue([]string{"ACTIVE", "INACTIVE"}),
 				Description:  "Certificate status, Default is ACTIVE.\\n  ACTIVE activation;\\n  INACTIVE not active.",
 			},
diff --git a/website/docs/r/mqtt_device_certificate.html.markdown b/website/docs/r/mqtt_device_certificate.html.markdown
index e925d64487..ce1ca81351 100644
--- a/website/docs/r/mqtt_device_certificate.html.markdown
+++ b/website/docs/r/mqtt_device_certificate.html.markdown
@@ -50,11 +50,11 @@ EOF
 
 The following arguments are supported:
 
-* `ca_sn` - (Required, String) Associated CA certificate SN.
-* `device_certificate` - (Required, String) Device certificate.
-* `instance_id` - (Required, String) Instance ID.
-* `client_id` - (Optional, String) Client ID.
-* `format` - (Optional, String) Certificate format, Default is PEM.
+* `ca_sn` - (Required, String, ForceNew) Associated CA certificate SN.
+* `device_certificate` - (Required, String, ForceNew) Device certificate.
+* `instance_id` - (Required, String, ForceNew) Instance ID.
+* `client_id` - (Optional, String, ForceNew) Client ID.
+* `format` - (Optional, String, ForceNew) Certificate format, Default is PEM.
 * `status` - (Optional, String) Certificate status, Default is ACTIVE.\n  ACTIVE activation;\n  INACTIVE not active.
 
 ## Attributes Reference