diff --git a/tencentcloud/services/cvm/resource_tc_cvm_launch_template_default_version.go b/tencentcloud/services/cvm/resource_tc_cvm_launch_template_default_version.go
index 2fdf3fe5d6..1baadfd38f 100644
--- a/tencentcloud/services/cvm/resource_tc_cvm_launch_template_default_version.go
+++ b/tencentcloud/services/cvm/resource_tc_cvm_launch_template_default_version.go
@@ -80,7 +80,7 @@ func resourceTencentCloudCvmLaunchTemplateDefaultVersionRead(d *schema.ResourceD
 		return nil
 	}
 	if respData.LaunchTemplateVersion != nil {
-		_ = d.Set("launch_template_version", respData.LaunchTemplateVersion)
+		_ = d.Set("default_version", respData.LaunchTemplateVersion)
 	}
 
 	return nil
diff --git a/tencentcloud/services/cvm/resource_tc_cvm_reboot_instance.go b/tencentcloud/services/cvm/resource_tc_cvm_reboot_instance.go
index 3dd0d36e76..ac03c6c12c 100644
--- a/tencentcloud/services/cvm/resource_tc_cvm_reboot_instance.go
+++ b/tencentcloud/services/cvm/resource_tc_cvm_reboot_instance.go
@@ -67,11 +67,7 @@ func resourceTencentCloudCvmRebootInstanceCreate(d *schema.ResourceData, meta in
 	}
 
 	if v, ok := d.GetOk("instance_id"); ok {
-		instanceIdsSet := v.(*schema.Set).List()
-		for i := range instanceIdsSet {
-			instanceIds := instanceIdsSet[i].(string)
-			request.InstanceIds = append(request.InstanceIds, helper.String(instanceIds))
-		}
+		request.InstanceIds = []*string{helper.String(v.(string))}
 	}
 
 	if v, ok := d.GetOkExists("force_reboot"); ok {