Merge remote-tracking branch 'origin/master'

picc-common/src/main/java/com/jpsoft/picc/modules/common/utils/Watermark.java

@@ -59,12 +59,12 @@ public class Watermark extends PdfPageEventHelper {
           //  image.setRotation(45);
             image.scaleToFit(pageRect.getWidth()/5,pageRect.getHeight()/5);
 
-            image.setAbsolutePosition(pageRect.getWidth()/2,pageRect.getHeight()/5);
+            image.setAbsolutePosition(pageRect.getWidth()/2,pageRect.getHeight()/4);
             under.addImage(image);
 
 
 
-            for (int i = 4; i <= n; i++) {
+            for (int i = 3; i <= n; i++) {
                 // 获得PDF最顶层
                 under = stamper.getOverContent(i);
                 under.setGState(gs1);