当不使用mongodb时，启动报错注入错误。[ERROR] DI Reflection Manager collecting class reflections failed.

当只是使用golang的异步任务功能，没有安装mongodb包时，会出现错误：
[ERROR] DI Reflection Manager collecting class reflections failed.
File: /home/vagrant/code/robot-processes/vendor/hyperf/gotask/src/MongoClient/Type/BulkWriteResult.php.
Exception: Interface "MongoDB\BSON\Unserializable" not found
[ERROR] DI Reflection Manager collecting class reflections failed.
File: /home/vagrant/code/robot-processes/vendor/hyperf/gotask/src/MongoClient/Type/DeleteResult.php.
Exception: Interface "MongoDB\BSON\Unserializable" not found
[ERROR] DI Reflection Manager collecting class reflections failed.
File: /home/vagrant/code/robot-processes/vendor/hyperf/gotask/src/MongoClient/Type/IndexInfo.php.
Exception: Interface "MongoDB\BSON\Unserializable" not found
[ERROR] DI Reflection Manager collecting class reflections failed.
File: /home/vagrant/code/robot-processes/vendor/hyperf/gotask/src/MongoClient/Type/InsertManyResult.php.
Exception: Interface "MongoDB\BSON\Unserializable" not found
[ERROR] DI Reflection Manager collecting class reflections failed.
File: /home/vagrant/code/robot-processes/vendor/hyperf/gotask/src/MongoClient/Type/InsertOneResult.php.
Exception: Interface "MongoDB\BSON\Unserializable" not found
[ERROR] DI Reflection Manager collecting class reflections failed.
File: /home/vagrant/code/robot-processes/vendor/hyperf/gotask/src/MongoClient/Type/UpdateResult.php.
Exception: Interface "MongoDB\BSON\Unserializable" not found

请问如何解决或者屏蔽？