polish(pu): polish algo_overview

Author: puyuan1996

README.md

@@ -217,7 +217,8 @@ cd LightZero
 python3 -u zoo/board_games/tictactoe/config/tictactoe_muzero_bot_mode_config.py
 ```
 
-Train a UniZero agent to play [Pong](https://gymnasium.farama.org/environments/atari/pong/):
+Train a UniZero agent to play [Pong](http
+g/):
 
 ```bash
 cd LightZero
@@ -322,10 +323,11 @@ The following are the overview MCTS principle diagrams of the above algorithms:
 
 - [MCTS](https://github.com/opendilab/LightZero/blob/main/assets/algo_overview/mcts_overview.pdf)
 - [AlphaZero](https://github.com/opendilab/LightZero/blob/main/assets/algo_overview/alphazero_overview.pdf)
-- [MuZero](https://github.com/opendilab/LightZero/blob/main/assets/algo_overview/muzero_overview.pdf)
-- [EfficientZero](https://github.com/opendilab/LightZero/blob/main/assets/algo_overview/efficientzero_overview.pdf)
-- [SampledMuZero](https://github.com/opendilab/LightZero/blob/main/assets/algo_overview/sampled_muzero_overview.pdf)
-- [GumbelMuZero](https://github.com/opendilab/LightZero/blob/main/assets/algo_overview/gumbel_muzero_overview.pdf)
+- [MuZero](https://github.com/opendilab/LightZero/blob/main/assets/algo_overview/muzero_overview.png)
+- [EfficientZero](https://github.com/opendilab/LightZero/blob/main/assets/algo_overview/efficientzero_overview.png)
+- [SampledMuZero](https://github.com/opendilab/LightZero/blob/main/assets/algo_overview/sampled_muzero_overview.png)
+- [GumbelMuZero](https://github.com/opendilab/LightZero/blob/main/assets/algo_overview/gumbel_muzero_overview.png)
+- [StochasticMuZero](https://github.com/opendilab/LightZero/blob/main/assets/algo_overview/stochastic_muzero_overview.png)
 
 </details>
 

README.zh.md

@@ -306,17 +306,13 @@ LightZero的文档可以在[这里](https://opendilab.github.io/LightZero/)找
 <details closed>
 <summary>(点击查看)</summary>
 
-[MCTS](https://github.com/opendilab/LightZero/blob/main/assets/algo_overview/mcts_overview.pdf)
-
-[AlphaZero](https://github.com/opendilab/LightZero/blob/main/assets/algo_overview/alphazero_overview.pdf)
-
-[MuZero](https://github.com/opendilab/LightZero/blob/main/assets/algo_overview/muzero_overview.pdf)
-
-[EfficientZero](https://github.com/opendilab/LightZero/blob/main/assets/algo_overview/efficientzero_overview.pdf)
-
-[SampledMuZero](https://github.com/opendilab/LightZero/blob/main/assets/algo_overview/sampled_muzero_overview.pdf)
-
-[GumbelMuZero](https://github.com/opendilab/LightZero/blob/main/assets/algo_overview/gumbel_muzero_overview.pdf)
+- [MCTS](https://github.com/opendilab/LightZero/blob/main/assets/algo_overview/mcts_overview.pdf)
+- [AlphaZero](https://github.com/opendilab/LightZero/blob/main/assets/algo_overview/alphazero_overview.pdf)
+- [MuZero](https://github.com/opendilab/LightZero/blob/main/assets/algo_overview/muzero_overview.png)
+- [EfficientZero](https://github.com/opendilab/LightZero/blob/main/assets/algo_overview/efficientzero_overview.png)
+- [SampledMuZero](https://github.com/opendilab/LightZero/blob/main/assets/algo_overview/sampled_muzero_overview.png)
+- [GumbelMuZero](https://github.com/opendilab/LightZero/blob/main/assets/algo_overview/gumbel_muzero_overview.png)
+- [StochasticMuZero](https://github.com/opendilab/LightZero/blob/main/assets/algo_overview/stochastic_muzero_overview.png)
 
 </details>