diff --git a/examples/vision/facedet/scrfd/cpp/README.md b/examples/vision/facedet/scrfd/cpp/README.md
index 850cf61cd4..b43bcd0296 100644
--- a/examples/vision/facedet/scrfd/cpp/README.md
+++ b/examples/vision/facedet/scrfd/cpp/README.md
@@ -92,4 +92,4 @@ SCRFD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)