Update app.py

app.py

@@ -14,8 +14,8 @@ def generate_qr_image(url, image_size):
     qr = qrcode.QRCode(
         version=1,
         error_correction=qrcode.constants.ERROR_CORRECT_L,
-        box_size=50,  # Set a default box size
-        border=4,  # Set a default border size
+        box_size=60,  # Set a default box size
+        border=1,  # Set a default border size
     )
     qr.add_data(url)
     qr.make(fit=True)