diff --git a/README.md b/README.md
index c8485c0..a948c3c 100644
--- a/README.md
+++ b/README.md
@@ -120,7 +120,7 @@ cv2.waitKey(0)
 + 仅需要的依赖OpenCV 3.3 (需要DNN框架)
 
 ```bash
-cd cpp_implementation
+cd Prj-Linux
 mkdir build 
 cd build
 cmake ../