diff --git a/examples/vision/detection/yolor/cpp/README.md b/examples/vision/detection/yolor/cpp/README.md
index 20195aba8..c7a17c859 100644
--- a/examples/vision/detection/yolor/cpp/README.md
+++ b/examples/vision/detection/yolor/cpp/README.md
@@ -88,4 +88,4 @@ YOLOR模型加载和初始化，其中model_file为导出的ONNX模型格式。
 - [模型介绍](../../)
 - [Python部署](../python)
 - [视觉模型预测结果](../../../../../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)