diff --git a/PyTorch/built-in/rl/OpenRLHF_v0.6.2_for_PyTorch/README.osc.md b/PyTorch/built-in/rl/OpenRLHF_v0.6.2_for_PyTorch/README.osc.md
index 6dd1923d8bc7fe00fd184500be5db4ef538f4aac..3cf955f829f6ca409289b78b2ef87d7c6a2ca6ab 100644
--- a/PyTorch/built-in/rl/OpenRLHF_v0.6.2_for_PyTorch/README.osc.md
+++ b/PyTorch/built-in/rl/OpenRLHF_v0.6.2_for_PyTorch/README.osc.md
@@ -53,15 +53,20 @@ OpenRLHF是一个基于Ray、DeepSpeed和HF Transformers构建的高性能RLHF
 * 安装vLLM和vLLM Ascend
 
   ```shell
+  source /usr/local/Ascend/ascend-toolkit/set_env.sh
+  source /usr/local/Ascend/nnal/atb/set_env.sh
+  
   git clone -b v0.7.3 https://github.com/vllm-project/vllm.git
   cd vllm
   pip install -r requirements-build.txt
   VLLM_TARGET_DEVICE=empty pip install .
-
+  cd ..
+  
   git clone -b v0.7.3 https://github.com/vllm-project/vllm-ascend.git
   cd vllm-ascend
   sed -i '14,15s/^/#/' pyproject.toml # 已经在前面步骤安装torch和torch-npu，将其注释
   pip install -e .
+  cd ..
   ```
 
 * 安装OpenRLHF