diff --git a/bin/SigShare.jar b/bin/SigShare.jar
index 0b4d0ef..d7f7275 100644
Binary files a/bin/SigShare.jar and b/bin/SigShare.jar differ
diff --git a/bin/screenshot.jpg b/bin/screenshot.jpg
deleted file mode 100644
index 1bbe7d1..0000000
Binary files a/bin/screenshot.jpg and /dev/null differ
diff --git a/bin/screenshot_out.jpg b/bin/screenshot_out.jpg
deleted file mode 100644
index e69de29..0000000
diff --git a/bin/screenshot_part.jpg b/bin/screenshot_part.jpg
deleted file mode 100644
index ee3b0b7..0000000
Binary files a/bin/screenshot_part.jpg and /dev/null differ
diff --git a/src/sig/SigShare.java b/src/sig/SigShare.java
index 64702da..f698cea 100644
--- a/src/sig/SigShare.java
+++ b/src/sig/SigShare.java
@@ -314,7 +314,9 @@ public class SigShare {
 												for (int y=(regionInfo/REGION_X_COUNT)*REGION_HEIGHT;y<(regionInfo/REGION_X_COUNT)*REGION_HEIGHT+REGION_HEIGHT;y++) {
 													int xx=0;
 													for (int x=(regionInfo%REGION_X_COUNT)*REGION_WIDTH;x<(regionInfo%REGION_X_COUNT)*REGION_WIDTH+REGION_WIDTH;x++) {
-														Panel.pixel[y*SCREEN_WIDTH+x]=i.getRGB(xx,yy);
+														if (xx<i.getWidth()&&yy<i.getHeight()) {
+															Panel.pixel[y*SCREEN_WIDTH+x]=i.getRGB(xx,yy);
+														}
 														xx++;
 													}
 													yy++;