diff --git a/src/main/java/com/youlai/boot/mini/service/impl/StrayAnimalServiceImpl.java b/src/main/java/com/youlai/boot/mini/service/impl/StrayAnimalServiceImpl.java
index 877c31b..a4404d8 100644
--- a/src/main/java/com/youlai/boot/mini/service/impl/StrayAnimalServiceImpl.java
+++ b/src/main/java/com/youlai/boot/mini/service/impl/StrayAnimalServiceImpl.java
@@ -67,6 +67,10 @@ public class StrayAnimalServiceImpl extends ServiceImpl<MiniStrayAnimalMapper, M
     @Value("${oss.aliyun.bucket-name}")
     private String bucketName;
 
+    private final static String OSS_THUMBNAIL_DIR = "animal_note/thumbnail/";
+    private final static String OSS_IMAGE_DIR = "animal_note/image/";
+    private final static String OSS_VIDEO_DIR = "animal_note/video/";
+
 
     private final AliyunFileService aliyunFileService;
     private final MiniPointRecordService pointRecordService;
@@ -91,7 +95,7 @@ public class StrayAnimalServiceImpl extends ServiceImpl<MiniStrayAnimalMapper, M
         if (images != null) {
             for (MultipartFile image : images) {
                 try {
-                    String objectName = "animal_note/image/"
+                    String objectName = OSS_IMAGE_DIR
                         + currentTimestamp + RandomNumberUtils.createRandomLowerLetterAndNumber(8)
                         + "."
                         + FilenameUtils.getExtension(image.getOriginalFilename());
@@ -125,7 +129,7 @@ public class StrayAnimalServiceImpl extends ServiceImpl<MiniStrayAnimalMapper, M
             for (MultipartFile video : videos) {
                 try {
                     String fileName = currentTimestamp + RandomNumberUtils.createRandomLowerLetterAndNumber(8);
-                    String objectName = "animal_note/video/"
+                    String objectName = OSS_VIDEO_DIR
                         + fileName
                         + "."
                         + FilenameUtils.getExtension(video.getOriginalFilename());
@@ -146,7 +150,7 @@ public class StrayAnimalServiceImpl extends ServiceImpl<MiniStrayAnimalMapper, M
                     //缩略图
                     BufferedImage thumbnail = JavaVCUtils.getVideoThumbnail(videoPath, 1);
                     String thumbnailFileName = currentTimestamp + RandomNumberUtils.createRandomLowerLetterAndNumber(8);
-                    String thumbnailObjectName = "animal_note/thumbnail/"
+                    String thumbnailObjectName = OSS_THUMBNAIL_DIR
                         + thumbnailFileName
                         + ".png";
                     String thumbnailUrl = aliyunFileService.uploadFile(thumbnailObjectName,
@@ -209,8 +213,7 @@ public class StrayAnimalServiceImpl extends ServiceImpl<MiniStrayAnimalMapper, M
         if (images != null) {
             for (MultipartFile image : images) {
                 try {
-                    String objectName = "animal_note/"
-                        + note.getId() + "/"
+                    String objectName = OSS_IMAGE_DIR
                         + currentTimestamp + RandomNumberUtils.createRandomLowerLetterAndNumber(8)
                         + "."
                         + FilenameUtils.getExtension(image.getOriginalFilename());
@@ -241,8 +244,7 @@ public class StrayAnimalServiceImpl extends ServiceImpl<MiniStrayAnimalMapper, M
             for (MultipartFile video : videos) {
                 try {
                     String fileName = currentTimestamp + RandomNumberUtils.createRandomLowerLetterAndNumber(8);
-                    String objectName = "animal_note/"
-                        + note.getId() + "/"
+                    String objectName = OSS_VIDEO_DIR
                         + fileName
                         + "."
                         + FilenameUtils.getExtension(video.getOriginalFilename());
@@ -264,8 +266,7 @@ public class StrayAnimalServiceImpl extends ServiceImpl<MiniStrayAnimalMapper, M
                     //缩略图
                     BufferedImage thumbnail = JavaVCUtils.getVideoThumbnail(videoPath, 1);
                     String thumbnailFileName = currentTimestamp + RandomNumberUtils.createRandomLowerLetterAndNumber(8);
-                    String thumbnailObjectName = "animal_note/"
-                        + note.getId() + "/"
+                    String thumbnailObjectName = OSS_THUMBNAIL_DIR
                         + thumbnailFileName
                         + ".png";
                     String thumbnailUrl = aliyunFileService.uploadFile(thumbnailObjectName,