diff --git a/ruoyi-modules/ruoyi-file/src/main/java/com/ruoyi/file/config/TencentCosConfig.java b/ruoyi-modules/ruoyi-file/src/main/java/com/ruoyi/file/config/TencentCosConfig.java
index 0fe996fb..fd303955 100644
--- a/ruoyi-modules/ruoyi-file/src/main/java/com/ruoyi/file/config/TencentCosConfig.java
+++ b/ruoyi-modules/ruoyi-file/src/main/java/com/ruoyi/file/config/TencentCosConfig.java
@@ -109,7 +109,7 @@ public class TencentCosConfig {
      * 2、公共读
      * 3、公共读写
      */
-    private Long expiryDuration = 32400L;
+    private Long expiryDuration = -1L;
 
     public String getAccessKey() {
         return accessKey;
@@ -152,6 +152,10 @@ public class TencentCosConfig {
     }
 
     public Long getExpiryDuration() {
+        if (expiryDuration != -1 && expiryDuration < 0) {
+            //  最小是1秒
+            expiryDuration = 1L;
+        }
         return expiryDuration;
     }
 
diff --git a/ruoyi-modules/ruoyi-file/src/main/java/com/ruoyi/file/service/TencentCosServiceImpl.java b/ruoyi-modules/ruoyi-file/src/main/java/com/ruoyi/file/service/TencentCosServiceImpl.java
index 3c761166..4ca581e7 100644
--- a/ruoyi-modules/ruoyi-file/src/main/java/com/ruoyi/file/service/TencentCosServiceImpl.java
+++ b/ruoyi-modules/ruoyi-file/src/main/java/com/ruoyi/file/service/TencentCosServiceImpl.java
@@ -162,6 +162,12 @@ public class TencentCosServiceImpl implements IDfsService {
      */
     @Override
     public String presignedUrl(String fileUrl) {
+        if (StringUtils.isBlank(fileUrl)) {
+            return fileUrl;
+        }
+        if (config.getExpiryDuration() == -1) {
+            return fileUrl;
+        }
         // 存储桶的命名格式为 BucketName-APPID，此处填写的存储桶名称必须为此格式
         String bucketName = config.getBucketName();
         if (StringUtils.isBlank(config.getBucketName())) {