diff --git a/samples/demo/color_line_detect.cpp b/samples/demo/color_line_detect.cpp
index 2679518..cd3fa0c 100644
--- a/samples/demo/color_line_detect.cpp
+++ b/samples/demo/color_line_detect.cpp
@@ -11,7 +11,7 @@ int main(int argc, char *argv[])
   // 实例化 color line detection 检测器类
   sv::ColorLineDetector cld;
   // 手动导入相机参数，如果使用Amov的G1等吊舱或相机，则可以忽略该步骤，将自动下载相机参数文件
-  cld.loadCameraParams(sv::get_home() + "/SpireCV/params/c-params/calib_webcam_640x480.yaml");
+  cld.loadCameraParams(sv::get_home() + "/SpireCV/calib_webcam_640x480.yaml");
 
   // 打开摄像头
   sv::Camera cap;