diff --git a/jero-boot/jero-boot-base/jero-boot-base-core/src/main/java/com/jero/common/util/oss/OssBootUtil.java b/jero-boot/jero-boot-base/jero-boot-base-core/src/main/java/com/jero/common/util/oss/OssBootUtil.java
index e78e8314..605a16d3 100644
--- a/jero-boot/jero-boot-base/jero-boot-base-core/src/main/java/com/jero/common/util/oss/OssBootUtil.java
+++ b/jero-boot/jero-boot-base/jero-boot-base-core/src/main/java/com/jero/common/util/oss/OssBootUtil.java
@@ -29,6 +29,10 @@ import java.util.UUID;
 @Slf4j
 public class OssBootUtil {
 
+    private OssBootUtil(){
+
+    }
+
     private static String endPoint;
     private static String accessKeyId;
     private static String accessKeySecret;
@@ -84,6 +88,10 @@ public class OssBootUtil {
      */
     private static OSSClient ossClient = null;
 
+    private static final String HTTPS_CONSTANT = "https://";
+    private static final String OSS_UPLOAD_CONSTANT = "------OSS文件上传成功------";
+
+
     /**
      * 上传文件至阿里云 OSS
      * 文件上传成功,返回文件完整访问路径
@@ -108,7 +116,7 @@ public class OssBootUtil {
             }
             // 获取文件名
             String orgName = file.getOriginalFilename();
-            if("" == orgName){
+            if("".equals(orgName)){
               orgName=file.getName();
             }
             //update-begin-author:liusq date:20210809 for: 过滤上传文件类型
@@ -129,13 +137,13 @@ public class OssBootUtil {
             if (oConvertUtils.isNotEmpty(staticDomain) && staticDomain.toLowerCase().startsWith("http")) {
                 FILE_URL = staticDomain + "/" + fileUrl;
             } else {
-                FILE_URL = "https://" + newBucket + "." + endPoint + "/" + fileUrl;
+                FILE_URL = HTTPS_CONSTANT + newBucket + "." + endPoint + "/" + fileUrl;
             }
             PutObjectResult result = ossClient.putObject(newBucket, fileUrl.toString(), file.getInputStream());
             // 设置权限(公开读)
 //            ossClient.setBucketAcl(newBucket, CannedAccessControlList.PublicRead);
             if (result != null) {
-                log.info("------OSS文件上传成功------" + fileUrl);
+                log.info(OSS_UPLOAD_CONSTANT + fileUrl);
             }
         } catch (IOException e) {
             e.printStackTrace();
@@ -153,7 +161,7 @@ public class OssBootUtil {
     * @Return: java.lang.String
     */
     public static String getOriginalUrl(String url) {
-        String originalDomain = "https://" + bucketName + "." + endPoint;
+        String originalDomain = HTTPS_CONSTANT + bucketName + "." + endPoint;
         if(oConvertUtils.isNotEmpty(staticDomain) && url.indexOf(staticDomain)!=-1){
             url = url.replace(staticDomain,originalDomain);
         }
@@ -194,13 +202,13 @@ public class OssBootUtil {
             if (oConvertUtils.isNotEmpty(staticDomain) && staticDomain.toLowerCase().startsWith("http")) {
                 FILE_URL = staticDomain + "/" + fileUrl;
             } else {
-                FILE_URL = "https://" + bucketName + "." + endPoint + "/" + fileUrl;
+                FILE_URL = HTTPS_CONSTANT + bucketName + "." + endPoint + "/" + fileUrl;
             }
             PutObjectResult result = ossClient.putObject(bucketName, fileUrl.toString(), file.openStream());
             // 设置权限(公开读)
             ossClient.setBucketAcl(bucketName, CannedAccessControlList.PublicRead);
             if (result != null) {
-                log.info("------OSS文件上传成功------" + fileUrl);
+                log.info(OSS_UPLOAD_CONSTANT + fileUrl);
             }
         } catch (IOException e) {
             e.printStackTrace();
@@ -230,7 +238,7 @@ public class OssBootUtil {
         if (oConvertUtils.isNotEmpty(staticDomain) && staticDomain.toLowerCase().startsWith("http")) {
             bucketUrl = staticDomain + "/" ;
         } else {
-            bucketUrl = "https://" + newBucket + "." + endPoint + "/";
+            bucketUrl = HTTPS_CONSTANT + newBucket + "." + endPoint + "/";
         }
         url = url.replace(bucketUrl,"");
         ossClient.deleteObject(newBucket, url);
@@ -323,16 +331,16 @@ public class OssBootUtil {
         if (oConvertUtils.isNotEmpty(staticDomain) && staticDomain.toLowerCase().startsWith("http")) {
             FILE_URL = staticDomain + "/" + relativePath;
         } else {
-            FILE_URL = "https://" + bucketName + "." + endPoint + "/" + fileUrl;
+            FILE_URL = HTTPS_CONSTANT + bucketName + "." + endPoint + "/" + fileUrl;
         }
         PutObjectResult result = ossClient.putObject(bucketName, fileUrl.toString(),stream);
         // 设置权限(公开读)
         ossClient.setBucketAcl(bucketName, CannedAccessControlList.PublicRead);
         if (result != null) {
-            log.info("------OSS文件上传成功------" + fileUrl);
+            log.info(OSS_UPLOAD_CONSTANT + fileUrl);
         }
         return FILE_URL;
     }
 
 
-}
\ No newline at end of file
+}