diff --git a/ruoyi-modules/ruoyi-system/src/main/java/org/dromara/system/domain/bo/MultipartBo.java b/ruoyi-modules/ruoyi-system/src/main/java/org/dromara/system/domain/bo/MultipartBo.java
index 1ba06a940..400cdf0de 100644
--- a/ruoyi-modules/ruoyi-system/src/main/java/org/dromara/system/domain/bo/MultipartBo.java
+++ b/ruoyi-modules/ruoyi-system/src/main/java/org/dromara/system/domain/bo/MultipartBo.java
@@ -52,11 +52,9 @@ public class MultipartBo implements Serializable {
 
     /**
      * 内容的 MD5 摘要
-     * （initiate初始化、合并complete的时候，需要第一片的md5值用来判断断点续传）
-     * upload状态时，非必需（如果有值会校验）
+     * initiate初始化需要第一片的md5值用来判断断点续传，upload状态时，非必需（如果有值会校验）
      */
-    @NotBlank(message = "第一片的md5值不能为空", groups = EditGroup.class)
-    @Size(max = 255, message = "内容的 MD5 摘要，如果有的话不能超过255", groups = {AddGroup.class, EditGroup.class})
+    @Size(max = 255, message = "内容的 MD5 摘要，如果有的话不能超过255", groups = AddGroup.class)
     private String md5Digest;
 
     /**
diff --git a/ruoyi-modules/ruoyi-system/src/main/java/org/dromara/system/domain/vo/MultipartVo.java b/ruoyi-modules/ruoyi-system/src/main/java/org/dromara/system/domain/vo/MultipartVo.java
index d7609ae6b..8889f4d76 100644
--- a/ruoyi-modules/ruoyi-system/src/main/java/org/dromara/system/domain/vo/MultipartVo.java
+++ b/ruoyi-modules/ruoyi-system/src/main/java/org/dromara/system/domain/vo/MultipartVo.java
@@ -31,6 +31,11 @@ public class MultipartVo implements Serializable {
      */
     private String originalName;
 
+    /**
+     * 分片第一片的md5值
+     */
+    private String md5Digest;
+
     /**
      * 用于分片上传任务的 Upload ID
      * 在初始化分片上传时获取，并在后续的分片上传和完成上传过程中使用
diff --git a/ruoyi-modules/ruoyi-system/src/main/java/org/dromara/system/service/impl/SysOssServiceImpl.java b/ruoyi-modules/ruoyi-system/src/main/java/org/dromara/system/service/impl/SysOssServiceImpl.java
index 3892bba65..c59592ee8 100644
--- a/ruoyi-modules/ruoyi-system/src/main/java/org/dromara/system/service/impl/SysOssServiceImpl.java
+++ b/ruoyi-modules/ruoyi-system/src/main/java/org/dromara/system/service/impl/SysOssServiceImpl.java
@@ -347,7 +347,7 @@ public class SysOssServiceImpl implements ISysOssService, OssService {
         // 保存文件信息
         SysOssVo sysOssVo = buildResultEntity(multipartVo.getOriginalName(), multipartVo.getSuffix(), storage.getConfigKey(), uploadResult);
         RedisUtils.deleteObject(uploadIdKey);
-        RedisUtils.deleteObject(GlobalConstants.OSS_CONTINUATION + LoginHelper.getUserId() + multipartBo.getMd5Digest());
+        RedisUtils.deleteObject(GlobalConstants.OSS_CONTINUATION + LoginHelper.getUserId() + multipartVo.getMd5Digest());
         return sysOssVo;
     }