diff --git a/ACL_PyTorch/contrib/cv/classfication/OSNet/README.md b/ACL_PyTorch/contrib/cv/classfication/OSNet/README.md
index 2373008b8a055d792549c5d7ed4620af01316b27..9a6fd05923930f9b78372ddea72b1b3e9f1df9ae 100644
--- a/ACL_PyTorch/contrib/cv/classfication/OSNet/README.md
+++ b/ACL_PyTorch/contrib/cv/classfication/OSNet/README.md
@@ -105,7 +105,7 @@ python3.7 -m onnxsim osnet_x1_0.onnx osnet_x1_0_bs16_sim.onnx --input-shape 16,3
 
 1.设置环境变量
 ```
-source env.sh
+source /usr/local/Ascend/ascend-toolkit/set_env.sh
 ```
 2.使用atc将onnx模型转换为om模型文件，工具使用方法可以参考[CANN V100R020C10 开发辅助工具指南 (推理) 01](https://support.huawei.com/enterprise/zh/doc/EDOC1100164868?idPath=23710424%7C251366513%7C22892968%7C251168373)
 ```