diff --git a/camCalib/sourceCode/MonoLaserCalibrate.cpp b/camCalib/sourceCode/MonoLaserCalibrate.cpp
index 0827e0d..71d4e21 100644
--- a/camCalib/sourceCode/MonoLaserCalibrate.cpp
+++ b/camCalib/sourceCode/MonoLaserCalibrate.cpp
@@ -83,7 +83,7 @@ void monocularCalibration(
     flags |= cv::fisheye::CALIB_FIX_SKEW;
     cv::fisheye::calibrate(objectPoints, imagePoints, imageSize, cameraMatrix, distCoeffs, rvecs, tvecs);// , flags, cv::TermCriteria(3, 20, 1e-6));
 #else
-     cv::calibrateCamera(objectPoints, imagePoints, imageSize, cameraMatrix, distCoeffs, rvecs, tvecs);
+     cv::calibrateCamera(objectPoints, imagePoints, imageSize, cameraMatrix, distCoeffs, rvecs, tvecs, cv::CALIB_FIX_ASPECT_RATIO);
 #endif
     // 重投影三维点到二维图像点
     // 计算重投影误差