diff --git a/src/main/java/com/ycwl/basic/service/printer/impl/PrinterServiceImpl.java b/src/main/java/com/ycwl/basic/service/printer/impl/PrinterServiceImpl.java
index 627efc2b..9cebb8fd 100644
--- a/src/main/java/com/ycwl/basic/service/printer/impl/PrinterServiceImpl.java
+++ b/src/main/java/com/ycwl/basic/service/printer/impl/PrinterServiceImpl.java
@@ -67,6 +67,7 @@ import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
 import java.util.Objects;
+import java.util.UUID;
 import java.util.concurrent.TimeUnit;
 import java.util.stream.Collectors;
 
@@ -464,9 +465,11 @@ public class PrinterServiceImpl implements PrinterService {
                         // 准备水印处理器
                         IOperator operator = ImageWatermarkFactory.get(watermarkType);
 
+                        // 生成唯一的处理标识符，避免多线程环境下的文件冲突
+                        String processId = item.getId() + "_" + UUID.randomUUID().toString();
                         // 下载原图
-                        File originalFile = new File("print_" + item.getId() + ".jpg");
-                        File watermarkedFile = new File("print_" + item.getId() + "_" + watermarkType.getType() + "." + watermarkType.getPreferFileType());
+                        File originalFile = new File("print_" + processId + ".jpg");
+                        File watermarkedFile = new File("print_" + processId + "_" + watermarkType.getType() + "." + watermarkType.getPreferFileType());
                         File rotatedOriginalFile = null;
                         File rotatedWatermarkedFile = null;
                         boolean needRotation = false;
@@ -481,7 +484,7 @@ public class PrinterServiceImpl implements PrinterService {
                             if (!isLandscape) {
                                 // 竖图需要旋转为横图
                                 needRotation = true;
-                                rotatedOriginalFile = new File("print_" + item.getId() + "_rotated.jpg");
+                                rotatedOriginalFile = new File("print_" + processId + "_rotated.jpg");
                                 ImageUtils.rotateImage90(originalFile, rotatedOriginalFile);
                                 log.info("竖图已旋转为横图，照片ID: {}", item.getId());
                             }
@@ -495,7 +498,7 @@ public class PrinterServiceImpl implements PrinterService {
 
                             // 如果之前旋转了,需要将水印图片旋转回去
                             if (needRotation) {
-                                rotatedWatermarkedFile = new File("print_" + item.getId() + "_final_" + watermarkType.getType() + "." + watermarkType.getPreferFileType());
+                                rotatedWatermarkedFile = new File("print_" + processId + "_final_" + watermarkType.getType() + "." + watermarkType.getPreferFileType());
                                 ImageUtils.rotateImage270(watermarkedFile, rotatedWatermarkedFile);
                                 log.info("水印图片已旋转回竖图，照片ID: {}", item.getId());
                                 // 删除中间的横图水印文件