diff --git a/jero-boot/jero-boot-base/jero-boot-base-core/src/main/java/com/jero/common/util/MinioUtil.java b/jero-boot/jero-boot-base/jero-boot-base-core/src/main/java/com/jero/common/util/MinioUtil.java
index 45720d93..175ebf15 100644
--- a/jero-boot/jero-boot-base/jero-boot-base-core/src/main/java/com/jero/common/util/MinioUtil.java
+++ b/jero-boot/jero-boot-base/jero-boot-base-core/src/main/java/com/jero/common/util/MinioUtil.java
@@ -7,6 +7,7 @@ import io.minio.errors.*;
 import lombok.extern.slf4j.Slf4j;
 import org.springframework.web.multipart.MultipartFile;
 
+import java.io.File;
 import java.io.IOException;
 import java.io.InputStream;
 import java.net.URLDecoder;
@@ -58,7 +59,7 @@ public class MinioUtil {
      * @return
      */
     public static String upload(MultipartFile file, String bizPath, String customBucket) {
-        String file_url = "";
+        String fileUrl = "";
         //update-begin-author:wangshuai date:20201012 for: 过滤上传文件夹名特殊字符，防止攻击
         bizPath=StrAttackFilter.filter(bizPath);
         //update-end-author:wangshuai date:20201012 for: 过滤上传文件夹名特殊字符，防止攻击
@@ -86,8 +87,8 @@ public class MinioUtil {
                 orgName=file.getName();
             }
             orgName = CommonUtils.getFileName(orgName);
-            String objectName = bizPath+"/"
-                    +( orgName.indexOf(".")==-1
+            String objectName = bizPath+File.separator
+                    +(!orgName.contains(".")
                     ?orgName + "_" + System.currentTimeMillis()
                     :orgName.substring(0, orgName.lastIndexOf(".")) + "_" + System.currentTimeMillis() + orgName.substring(orgName.lastIndexOf("."))
             );
@@ -101,11 +102,11 @@ public class MinioUtil {
                     .stream(stream,stream.available(),-1).build();
             minioClient.putObject(objectArgs);
             stream.close();
-            file_url = minioUrl+newBucket+"/"+objectName;
+            fileUrl = minioUrl+newBucket+ File.separator +objectName;
         }catch (Exception e){
             log.error(e.getMessage(), e);
         }
-        return file_url;
+        return fileUrl;
     }
 
     /**