diff --git a/kernel-d-file/file-sdk-aliyun/src/main/java/cn/stylefeng/roses/kernel/file/aliyun/AliyunFileOperator.java b/kernel-d-file/file-sdk-aliyun/src/main/java/cn/stylefeng/roses/kernel/file/aliyun/AliyunFileOperator.java
index 5d0b37fe1..ba33d5472 100644
--- a/kernel-d-file/file-sdk-aliyun/src/main/java/cn/stylefeng/roses/kernel/file/aliyun/AliyunFileOperator.java
+++ b/kernel-d-file/file-sdk-aliyun/src/main/java/cn/stylefeng/roses/kernel/file/aliyun/AliyunFileOperator.java
@@ -25,12 +25,12 @@
 package cn.stylefeng.roses.kernel.file.aliyun;
 
 import cn.hutool.core.io.IoUtil;
-import cn.hutool.core.util.StrUtil;
 import cn.stylefeng.roses.kernel.file.api.FileOperatorApi;
 import cn.stylefeng.roses.kernel.file.api.enums.BucketAuthEnum;
 import cn.stylefeng.roses.kernel.file.api.enums.FileLocationEnum;
 import cn.stylefeng.roses.kernel.file.api.exception.FileException;
 import cn.stylefeng.roses.kernel.file.api.exception.enums.FileExceptionEnum;
+import cn.stylefeng.roses.kernel.file.api.expander.FileConfigExpander;
 import cn.stylefeng.roses.kernel.file.api.pojo.props.AliyunOssProperties;
 import com.aliyun.oss.ClientException;
 import com.aliyun.oss.OSS;
@@ -201,8 +201,7 @@ public class AliyunFileOperator implements FileOperatorApi {
 
     @Override
     public String getFileUnAuthUrl(String bucketName, String key) {
-        String template = "https://{}.oss-cn-beijing.aliyuncs.com/{}";
-        return StrUtil.format(template,bucketName,key);
+        return this.getFileAuthUrl(bucketName, key, FileConfigExpander.getDefaultFileTimeoutSeconds() * 1000);
     }
 
     @Override