diff --git a/app/src/main/cpp/PhoneDevice.cpp b/app/src/main/cpp/PhoneDevice.cpp
index 14e2e971..d0f03c7d 100644
--- a/app/src/main/cpp/PhoneDevice.cpp
+++ b/app/src/main/cpp/PhoneDevice.cpp
@@ -1569,7 +1569,7 @@ bool CPhoneDevice::OnImageReady(cv::Mat& mat)
     int fs = fontSize * 2 / 3;
     textSize = ft2->getTextSize(str, fs, -1, &baseline);
     cv::Point lt(0, mat.rows - fs - 20 * ratio);
-    cv::Point lt2(0, lt.y - 4);
+    cv::Point lt2(0, lt.y - 2 * ratio);
     cv::Point rb(0 + textSize.width, lt2.y + textSize.height + 8 * ratio);
     cv::rectangle(mat, lt2, rb,cv::Scalar(255, 255, 255), -1);
     ft2->putText(mat, str, lt, fs, scalarRed, -1, cv::LINE_AA, false);