diff --git a/README.md b/README.md
index 18d59e5..a3252de 100644
--- a/README.md
+++ b/README.md
@@ -76,10 +76,16 @@ Training script path configuration
 - Robot DOF configuration
 - Training hyperparameters
 
+Download the Flow/FAST pretrained model and run:
 ```bash
 bash ./workspace/lerobot_example/run.sh
 ```
 
+To fine-tune using the FAST tokenizer, please download the repository and update the `action_tokenizer_path`. Make sure to set `use_fast_tokenizer` to `true`:
+```bash
+git clone https://huggingface.co/physical-intelligence/fast
+```
+
 ## Inference
 
 For model inference, please refer to:
diff --git a/workspace/lerobot_example/config_qact.yml b/workspace/lerobot_example/config_qact.yml
index fa683ae..b4d2fea 100644
--- a/workspace/lerobot_example/config_qact.yml
+++ b/workspace/lerobot_example/config_qact.yml
@@ -6,6 +6,8 @@ log_name: "robotic_training"
 log_project: "vla_training"
 model_type: qwen2_5
 pretrained_qwen_vl_path: "/path/to/qwen_vl_model/"
+# whether to enable fast tokenizer
+use_fast_tokenizer: false
 action_tokenizer_path: "/path/to/fast/"
 save_path: "/path/to/workspace/"