diff --git a/securitycontrol-api/securitycontrol-api-system/src/main/java/com/securitycontrol/system/api/domain/background/FileExportVo.java b/securitycontrol-api/securitycontrol-api-system/src/main/java/com/securitycontrol/system/api/domain/background/FileExportVo.java
deleted file mode 100644
index 05240e3..0000000
--- a/securitycontrol-api/securitycontrol-api-system/src/main/java/com/securitycontrol/system/api/domain/background/FileExportVo.java
+++ /dev/null
@@ -1,39 +0,0 @@
-package com.securitycontrol.system.api.domain.background;
-
-import cn.hutool.core.bean.BeanUtil;
-import com.fasterxml.jackson.annotation.JsonIgnore;
-import lombok.Data;
-
-import java.util.Objects;
-
-/**
- * @author lit@epsoft.com.cn
- * @version 1.0
- * @Description 统一文件下载vo
- * @date Apr 8, 2022
- */
-@Data
-public class FileExportVo {
-
-    private String fileId;
-
-    private String fileName;
-
-    private String contentType;
-
-    private String suffix;
-
-    private long fileSize;
-
-    @JsonIgnore
-    private byte[] data;
-
-    public FileExportVo(MongoFile mongoFile) {
-        BeanUtil.copyProperties(mongoFile, this);
-        if (Objects.nonNull(mongoFile.getContent())) {
-            this.data = mongoFile.getContent().getData();
-        }
-        this.fileId = mongoFile.getId();
-    }
-
-}
diff --git a/securitycontrol-api/securitycontrol-api-system/src/main/java/com/securitycontrol/system/api/domain/background/MongoFile.java b/securitycontrol-api/securitycontrol-api-system/src/main/java/com/securitycontrol/system/api/domain/background/MongoFile.java
deleted file mode 100644
index 1c5ea69..0000000
--- a/securitycontrol-api/securitycontrol-api-system/src/main/java/com/securitycontrol/system/api/domain/background/MongoFile.java
+++ /dev/null
@@ -1,71 +0,0 @@
-package com.securitycontrol.system.api.domain.background;
-
-import lombok.Builder;
-import lombok.Data;
-import org.bson.types.Binary;
-import org.springframework.data.annotation.Id;
-import org.springframework.data.mongodb.core.mapping.Document;
-
-/**
- * @author coisini
- * @version 1.0
- * @Description MongoDB文件实体
- * @date Apr 17, 2022
- */
-@Document
-@Builder
-@Data
-public class MongoFile {
-
-    /**
-     * 主键
-     */
-    @Id
-    public String id;
-
-    /**
-     * 文件名称
-     */
-    public String fileName;
-
-    /**
-     * 文件大小
-     */
-    public long fileSize;
-
-    /**
-     * 上传时间
-     */
-    public String uploadDate;
-
-    /**
-     * MD5值
-     */
-    public String md5;
-
-    /**
-     * 文件内容
-     */
-    private Binary content;
-
-    /**
-     * 文件类型
-     */
-    public String contentType;
-
-    /**
-     * 文件后缀名
-     */
-    public String suffix;
-
-    /**
-     * 文件描述
-     */
-    public String description;
-
-    /**
-     * 大文件管理GridFS的ID
-     */
-    private String gridFsId;
-
-}