diff --git a/lib_qrcode/src/main/res/layout/qr_activity_qr_scan.xml b/lib_qrcode/src/main/res/layout/qr_activity_qr_scan.xml
index 9ab7869..6f795b9 100644
--- a/lib_qrcode/src/main/res/layout/qr_activity_qr_scan.xml
+++ b/lib_qrcode/src/main/res/layout/qr_activity_qr_scan.xml
@@ -21,6 +21,7 @@
         app:backIcon="@drawable/widget_ic_back_white"
         app:showLine="false"
         app:showStatusBarHeight="true"
+        android:background="#00000000"
         app:title="@string/qr_scan"
         app:titleColor="#FFFFFF" />
 
diff --git a/lib_widget/src/main/java/com/mirkowu/lib_widget/Toolbar.java b/lib_widget/src/main/java/com/mirkowu/lib_widget/Toolbar.java
index c54783b..c2916de 100644
--- a/lib_widget/src/main/java/com/mirkowu/lib_widget/Toolbar.java
+++ b/lib_widget/src/main/java/com/mirkowu/lib_widget/Toolbar.java
@@ -79,7 +79,9 @@ private void init(Context context, AttributeSet attrs) {
         ivRight = view.findViewById(R.id.iv_right);
         vLine = view.findViewById(R.id.v_line);
 
-        setBackgroundColor(Color.WHITE);
+        if (getBackground() == null) {
+            setBackgroundColor(Color.WHITE);
+        }
         setTitle(title);
         setTitleColor(mTitleColorId);
         setTitleTextSize(TypedValue.COMPLEX_UNIT_PX, mTitleTextSize);