diff --git a/examples/vision/detection/yolox/python/README.md b/examples/vision/detection/yolox/python/README.md
index 59316356e..b9963aeee 100644
--- a/examples/vision/detection/yolox/python/README.md
+++ b/examples/vision/detection/yolox/python/README.md
@@ -76,4 +76,4 @@ YOLOX模型加载和初始化，其中model_file为导出的ONNX模型格式
 - [YOLOX 模型介绍](..)
 - [YOLOX C++部署](../cpp)
 - [模型预测结果说明](../../../../../docs/api/vision_results/)
-- [如何切换模型推理后端引擎](../../../../how_to_change_backend.md)
+- [如何切换模型推理后端引擎](../../../../../docs/runtime/how_to_change_backend.md)