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 12efa1a8..bc38a511 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
@@ -1,9 +1,9 @@
 package com.jero.common.util;
 
 import com.jero.common.util.filter.FileTypeFilter;
+import com.jero.common.util.filter.StrAttackFilter;
 import io.minio.*;
 import lombok.extern.slf4j.Slf4j;
-import com.jero.common.util.filter.StrAttackFilter;
 import org.springframework.web.multipart.MultipartFile;
 
 import java.io.InputStream;
@@ -14,6 +14,9 @@ import java.net.URLDecoder;
  */
 @Slf4j
 public class MinioUtil {
+    private MinioUtil(){
+
+    }
     private static String minioUrl;
     private static String minioName;
     private static String minioPass;