diff --git a/gallery/build.properties b/gallery/build.properties
index ee55efa..0f6099e 100644
--- a/gallery/build.properties
+++ b/gallery/build.properties
@@ -1,8 +1,8 @@
 #Created by .winboll/winboll_app_build.gradle
-#Tue Apr 28 09:10:54 CST 2026
+#Tue Apr 28 09:22:58 CST 2026
 stageCount=7
 libraryProject=
 baseVersion=15.0
 publishVersion=15.0.6
-buildCount=22
+buildCount=23
 baseBetaVersion=15.0.7
diff --git a/gallery/src/main/java/cc/winboll/studio/gallery/CropCanvasView.java b/gallery/src/main/java/cc/winboll/studio/gallery/CropCanvasView.java
index 8aff841..652d22c 100644
--- a/gallery/src/main/java/cc/winboll/studio/gallery/CropCanvasView.java
+++ b/gallery/src/main/java/cc/winboll/studio/gallery/CropCanvasView.java
@@ -42,7 +42,7 @@ public class CropCanvasView extends View {
     private Bitmap displayBitmap;
     private RectF initialSpanRect;
     private float initialSpan;
-    private int backgroundColor = Color.GREEN;
+    private int backgroundColor = Color.BLUE;
     private boolean colorPickMode = false;
     private float pickX, pickY;
     
diff --git a/gallery/src/main/java/cc/winboll/studio/gallery/ZoomContainerView.java b/gallery/src/main/java/cc/winboll/studio/gallery/ZoomContainerView.java
index ca56fe4..0a04cac 100644
--- a/gallery/src/main/java/cc/winboll/studio/gallery/ZoomContainerView.java
+++ b/gallery/src/main/java/cc/winboll/studio/gallery/ZoomContainerView.java
@@ -38,6 +38,7 @@ public class ZoomContainerView extends FrameLayout {
     
     private void init() {
         setWillNotDraw(false);
+        setBackgroundColor(Color.YELLOW);
         
         borderPaint = new Paint();
         borderPaint.setColor(Color.parseColor("#333333"));