From 38ee383033db8739521d580efeff1a36b761114b Mon Sep 17 00:00:00 2001
From: JianGuo <jianguo.li@outlook.com>
Date: Tue, 16 Jul 2024 16:19:41 +0800
Subject: [PATCH] 1111

---
 src/main/java/org/aohe/core/sane/utils/SaneSessionUtils.java | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/main/java/org/aohe/core/sane/utils/SaneSessionUtils.java b/src/main/java/org/aohe/core/sane/utils/SaneSessionUtils.java
index 652d3f0..ba80436 100644
--- a/src/main/java/org/aohe/core/sane/utils/SaneSessionUtils.java
+++ b/src/main/java/org/aohe/core/sane/utils/SaneSessionUtils.java
@@ -142,13 +142,13 @@ public class SaneSessionUtils {
         try {
             saneDevice.open();
             BufferedImage bufferedImage =  saneDevice.acquireImage();
-            File file = FileUtil.createTempFile("sane","png",true);
+            File file = FileUtil.createTempFile("sane-",".png",true);
             ImageIO.write(bufferedImage, "png", file);
             return file;
         } catch (IOException | SaneException e) {
             throw new RuntimeException(e);
         }finally {
-            if(saneDevice != null){
+            if(saneDevice != null && saneDevice.isOpen()){
                 saneDevice.close();
             }
         }