diff --git a/bonus-admin/src/main/java/com/bonus/web/domain/vo/DaKyProFilesContentsVo.java b/bonus-admin/src/main/java/com/bonus/web/domain/vo/DaKyProFilesContentsVo.java
index c6b39a5..7444527 100644
--- a/bonus-admin/src/main/java/com/bonus/web/domain/vo/DaKyProFilesContentsVo.java
+++ b/bonus-admin/src/main/java/com/bonus/web/domain/vo/DaKyProFilesContentsVo.java
@@ -5,6 +5,7 @@ import org.hibernate.validator.constraints.Length;
 
 import javax.validation.constraints.NotBlank;
 import javax.validation.constraints.NotNull;
+import java.math.BigDecimal;
 import java.util.ArrayList;
 import java.util.List;
 
@@ -130,7 +131,7 @@ public class DaKyProFilesContentsVo {
     /**
      * 文件大小
      */
-    private String fileSize;
+    private BigDecimal fileSize;
 
     /**
      * 文件后缀名
diff --git a/bonus-admin/src/main/resources/mapper/FileManageMapper.xml b/bonus-admin/src/main/resources/mapper/FileManageMapper.xml
index a115f7c..8f79cfc 100644
--- a/bonus-admin/src/main/resources/mapper/FileManageMapper.xml
+++ b/bonus-admin/src/main/resources/mapper/FileManageMapper.xml
@@ -55,6 +55,7 @@ PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
 			<if test="sourceFileName != null and sourceFileName != ''">source_file_name,</if>
 			<if test="fileName != null and fileName != ''">file_name,</if>
 			<if test="fileType != null and fileType != ''">file_type,</if>
+			<if test="fileSize != null and fileSize != ''">file_size,</if>
 			<if test="sourceType != null and sourceType != ''">source_type,</if>
 			<if test="createUserId != null">create_user_id,</if>
 			<if test="createUserName != null and createUserName != ''">create_user_name,</if>
@@ -67,6 +68,7 @@ PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
 			<if test="sourceFileName != null and sourceFileName != ''">#{sourceFileName},</if>
 			<if test="fileName != null and fileName != ''">#{fileName},</if>
 			<if test="fileType != null and fileType != ''">#{fileType},</if>
+			<if test="fileSize != null and fileSize != ''">#{fileSize},</if>
 			<if test="sourceType != null and sourceType != ''">#{sourceType},</if>
 			<if test="createUserId != null">#{createUserId},</if>
 			<if test="createUserName != null and createUserName != ''">#{createUserName},</if>
diff --git a/bonus-common/src/main/java/com/bonus/common/utils/bean/FileDto.java b/bonus-common/src/main/java/com/bonus/common/utils/bean/FileDto.java
index beb59fd..5eefc3b 100644
--- a/bonus-common/src/main/java/com/bonus/common/utils/bean/FileDto.java
+++ b/bonus-common/src/main/java/com/bonus/common/utils/bean/FileDto.java
@@ -2,6 +2,8 @@ package com.bonus.common.utils.bean;
 
 import lombok.Data;
 
+import java.math.BigDecimal;
+
 /**
  * @Author：liang.chao
  * @Date：2025/9/17 - 13:56
@@ -13,7 +15,7 @@ public class FileDto {
     // 文件路径
     private String filePath;
     // 文件大小
-    private String fileSize;
+    private BigDecimal fileSize;
     // 文件类型 1.图片  2.文件
     private String fileType;
     // 文件后缀名
diff --git a/bonus-common/src/main/java/com/bonus/common/utils/file/FileUtils.java b/bonus-common/src/main/java/com/bonus/common/utils/file/FileUtils.java
index cbb564d..1e40836 100644
--- a/bonus-common/src/main/java/com/bonus/common/utils/file/FileUtils.java
+++ b/bonus-common/src/main/java/com/bonus/common/utils/file/FileUtils.java
@@ -7,6 +7,7 @@ import java.io.FileOutputStream;
 import java.io.IOException;
 import java.io.OutputStream;
 import java.io.UnsupportedEncodingException;
+import java.math.BigDecimal;
 import java.net.URLEncoder;
 import java.nio.charset.StandardCharsets;
 import java.util.Collections;
@@ -309,7 +310,7 @@ public class FileUtils {
             String pathName = targetFile.getAbsolutePath();
             bean.setFilePath(pathName);
             bean.setFileName(fileName);
-            bean.setFileSize(file.getSize() + "");
+            bean.setFileSize(new BigDecimal(file.getSize()));
             bean.setSuffixName(fileExtension);
             return bean;
         } else {