diff --git a/ruoyi-common/ruoyi-common-oss/src/main/java/org/dromara/common/oss/core/OssClient.java b/ruoyi-common/ruoyi-common-oss/src/main/java/org/dromara/common/oss/core/OssClient.java
index 5e300da..8a26270 100644
--- a/ruoyi-common/ruoyi-common-oss/src/main/java/org/dromara/common/oss/core/OssClient.java
+++ b/ruoyi-common/ruoyi-common-oss/src/main/java/org/dromara/common/oss/core/OssClient.java
@@ -317,12 +317,12 @@ public class OssClient {
      * 获取私有URL链接
      *
      * @param objectKey 对象KEY
-     * @param second    授权时间
+     * @param day    授权时间
      */
-    public String getPrivateUrl(String objectKey, Integer second) {
+    public String getPrivateUrl(String objectKey, Integer day) {
         // 使用 AWS S3 预签名 URL 的生成器 获取对象的预签名 URL
         URL url = presigner.presignGetObject(
-                x -> x.signatureDuration(Duration.ofSeconds(second))
+                x -> x.signatureDuration(Duration.ofDays(day))
                     .getObjectRequest(
                         y -> y.bucket(properties.getBucketName())
                             .key(objectKey)
diff --git a/ruoyi-modules/ruoyi-system/src/main/java/org/dromara/system/service/impl/SysOssServiceImpl.java b/ruoyi-modules/ruoyi-system/src/main/java/org/dromara/system/service/impl/SysOssServiceImpl.java
index 0f6c3be..072333e 100644
--- a/ruoyi-modules/ruoyi-system/src/main/java/org/dromara/system/service/impl/SysOssServiceImpl.java
+++ b/ruoyi-modules/ruoyi-system/src/main/java/org/dromara/system/service/impl/SysOssServiceImpl.java
@@ -304,9 +304,9 @@ public class SysOssServiceImpl implements ISysOssService, OssService {
      */
     private SysOssVo matchingUrl(SysOssVo oss) {
         OssClient storage = OssFactory.instance(oss.getService());
-        // 仅修改桶类型为 private 的URL，临时URL时长为120s
+        // 仅修改桶类型为 private 的URL，临时URL时长为1天，可自行配置
         if (AccessPolicyType.PRIVATE == storage.getAccessPolicy()) {
-            oss.setUrl(storage.getPrivateUrl(oss.getFileName(), 120));
+            oss.setUrl(storage.getPrivateUrl(oss.getFileName(), 1));
         }
         return oss;
     }