fix bug

pcloud-common/src/main/java/com/pcloud/common/utils/PictureUtil.java

@@ -37,6 +37,10 @@ public class PictureUtil {
 
 
     public static Color getImagePixel(BufferedImage bi)  {
+        if(bi.getWidth()*bi.getHeight()>10000) {
+            BufferedImage pic1 = new BufferedImage(60, 60, BufferedImage.TYPE_3BYTE_BGR);
+            bi = pic1;
+        }
         int width = bi.getWidth();
         int height = bi.getHeight();
         int sum=width*height;
@@ -45,7 +49,7 @@ public class PictureUtil {
         int R = 0;
         int G = 0;
         int B = 0;
-        List<String> list=new ArrayList<String>();
+        List<String> list=new ArrayList<>();
         for (int i = minx; i < width; i++) {
             for (int j = miny; j < height; j++) {
                 int pixel = bi.getRGB(i, j);