diff --git a/app/src/main/res/layout/activity_main.xml b/app/src/main/res/layout/activity_main.xml
index 3a05cbd..3872d85 100644
--- a/app/src/main/res/layout/activity_main.xml
+++ b/app/src/main/res/layout/activity_main.xml
@@ -1263,7 +1263,8 @@
                     <ImageView
                         android:layout_width="wrap_content"
                         android:layout_height="wrap_content"
-                        android:src="@mipmap/bg_qr_pay" />
+                        android:adjustViewBounds="true"
+                        android:src="@mipmap/bg_payment_code" />
                 </androidx.cardview.widget.CardView>
 
                 <TextView
diff --git a/app/src/main/res/mipmap-xxhdpi/bg_payment_code.jpg b/app/src/main/res/mipmap-xxhdpi/bg_payment_code.jpg
new file mode 100644
index 0000000..fb2a9bc
Binary files /dev/null and b/app/src/main/res/mipmap-xxhdpi/bg_payment_code.jpg differ
diff --git a/app/src/main/res/mipmap-xxhdpi/bg_qr_pay.png b/app/src/main/res/mipmap-xxhdpi/bg_qr_pay.png
deleted file mode 100755
index 2036bf9..0000000
Binary files a/app/src/main/res/mipmap-xxhdpi/bg_qr_pay.png and /dev/null differ