diff --git a/app/src/main/cpp/PhoneDevice.cpp b/app/src/main/cpp/PhoneDevice.cpp
index ab25e480..169a1017 100644
--- a/app/src/main/cpp/PhoneDevice.cpp
+++ b/app/src/main/cpp/PhoneDevice.cpp
@@ -1074,11 +1074,11 @@ bool CPhoneDevice::OnImageReady(cv::Mat& mat)
     double width = mat.size().width;
     // double ratio = std::min(height / 1024, width / 1920);
     double ratio = height / 1024.0;
-    int thickness = round(1.2 * ratio);
+    int thickness = round(1.4 * ratio);
     if (thickness < 1) thickness = 1;
-    else if (thickness > 4) thickness = 4;
+    else if (thickness > 5) thickness = 5;
     cv::Scalar scalar(255, 255, 255);  // white
-    int fontSize = (int)(24.0 * ratio);
+    int fontSize = (int)(28.0 * ratio);
     cv::Point pt;
 
     std::string fontPath;
@@ -1230,6 +1230,8 @@ bool CPhoneDevice::OnImageReady(cv::Mat& mat)
         }
 #endif
 
+
+
         textSize = ft2->getTextSize(it->text, fontSize, thickness, &baseline);
         XYLOG(XYLOG_SEVERITY_DEBUG, "%s font Size=%d height: %d baseline=%d", it->text.c_str(), fontSize, textSize.height, baseline);