Index: ssts-sterile/src/main/java/com/forgon/disinfectsystem/sterilizationmanager/sterilizationrecord/action/BioLogicalMonitorPictureAction.java
===================================================================
diff -u -r16715 -r16726
--- ssts-sterile/src/main/java/com/forgon/disinfectsystem/sterilizationmanager/sterilizationrecord/action/BioLogicalMonitorPictureAction.java	(.../BioLogicalMonitorPictureAction.java)	(revision 16715)
+++ ssts-sterile/src/main/java/com/forgon/disinfectsystem/sterilizationmanager/sterilizationrecord/action/BioLogicalMonitorPictureAction.java	(.../BioLogicalMonitorPictureAction.java)	(revision 16726)
@@ -120,8 +120,8 @@
 					+ getObjectId() + " order by serialNum asc";
 		List<ImageFile> imageFiles = imageFileManager.getImageFileBySql(sql);
 		int count = 0;
-		if(CollectionUtils.isNotEmpty(imageFiles) && page < imageFiles.size()){
-			imageFileManager.deleteImageFile(imageFiles.get(page));
+		if(CollectionUtils.isNotEmpty(imageFiles) && page <= imageFiles.size() && page > 0){
+			imageFileManager.deleteImageFile(imageFiles.get(page - 1));
 			count = imageFiles.size();
 			count--;
 		}