fix bug

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

@@ -148,16 +148,19 @@ public class PictureUtil {
 
     public static Color getImagePixel(String  imgFile)  {
         BufferedImage bi = null;
+        Color imagePixel;
         try {
             if(imgFile.contains("http")){
                 bi = ImageIO.read(new URL(imgFile));
             }else{
                 bi = ImageIO.read(new File(imgFile));
             }
+             imagePixel = getImagePixel(bi);
         } catch (Exception e) {
-            e.printStackTrace();
+            imagePixel = Color.CYAN;
+          LOGGER.error("生成图片失败，图片="+imgFile+","+e.getMessage(),e);
         }
-        return getImagePixel(bi);
+        return imagePixel;
     }
 
     public static String toBrowserHexValue(int number) {