add

Author: SevenEarth

tencentcloud/services/cdb/resource_tc_mysql_instance.go

@@ -182,6 +182,7 @@ func TencentMsyqlBasicInfo() map[string]*schema.Schema {
 		"cluster_topology": {
 			Type:        schema.TypeList,
 			Optional:    true,
+			Computed:    true,
 			MaxItems:    1,
 			Description: "Cluster Edition node topology configuration. Note: If you purchased a cluster edition instance, this parameter is required. You need to set the RW and RO node topology of the cluster edition instance. The RO node range is 1-5. Please set at least 1 RO node.",
 			Elem: &schema.Resource{

tencentcloud/services/cdb/resource_tc_mysql_readonly_instance.go

@@ -64,8 +64,9 @@ func ResourceTencentCloudMysqlReadonlyInstance() *schema.Resource {
 
 		Importer: &schema.ResourceImporter{
 			State: helper.ImportWithDefaultValue(map[string]interface{}{
-				"prepaid_period": 1,
-				"force_delete":   false,
+				"prepaid_period":    1,
+				"force_delete":      false,
+				"slave_deploy_mode": 0,
 			}),
 		},
 		Schema: readonlyInstanceInfo,
@@ -410,6 +411,9 @@ func resourceTencentCloudMysqlReadonlyInstanceRead(d *schema.ResourceData, meta
 		_ = d.Set("ro_group_id", *roGroup.RoGroupId)
 	}
 
+	// set no used fields to default value to fix diff
+	_ = d.Set("slave_deploy_mode", 0)
+
 	return nil
 }