diff --git a/README.md b/README.md
index 5037a78..30084ff 100644
--- a/README.md
+++ b/README.md
@@ -280,7 +280,7 @@ If you find Tianshou useful, please cite it in your publications.
 
 ```latex
 @misc{tianshou,
-  author = {Jiayi Weng, Minghao Zhang, Alexis Duburcq, Kaichao You, Dong Yan, Hang Su, Jun Zhu},
+  author = {Jiayi Weng, Huayu Chen, Alexis Duburcq, Kaichao You, Minghao Zhang, Dong Yan, Hang Su, Jun Zhu},
   title = {Tianshou},
   year = {2020},
   publisher = {GitHub},
diff --git a/docs/tutorials/dqn.rst b/docs/tutorials/dqn.rst
index 5c5d547..412051e 100644
--- a/docs/tutorials/dqn.rst
+++ b/docs/tutorials/dqn.rst
@@ -129,8 +129,7 @@ Tianshou provides :func:`~tianshou.trainer.onpolicy_trainer`, :func:`~tianshou.t
         update_per_step=0.1, episode_per_test=100, batch_size=64,
         train_fn=lambda epoch, env_step: policy.set_eps(0.1),
         test_fn=lambda epoch, env_step: policy.set_eps(0.05),
-        stop_fn=lambda mean_rewards: mean_rewards >= env.spec.reward_threshold,
-        logger=None)
+        stop_fn=lambda mean_rewards: mean_rewards >= env.spec.reward_threshold)
     print(f'Finished training! Use {result["duration"]}')
 
 The meaning of each parameter is as follows (full description can be found at :func:`~tianshou.trainer.offpolicy_trainer`):