diff --git a/yudao-framework/yudao-common/src/main/java/cn/iocoder/yudao/framework/common/util/http/HttpUtils.java b/yudao-framework/yudao-common/src/main/java/cn/iocoder/yudao/framework/common/util/http/HttpUtils.java
index 85a644f1f1..10744d76bc 100644
--- a/yudao-framework/yudao-common/src/main/java/cn/iocoder/yudao/framework/common/util/http/HttpUtils.java
+++ b/yudao-framework/yudao-common/src/main/java/cn/iocoder/yudao/framework/common/util/http/HttpUtils.java
@@ -13,6 +13,7 @@ import org.springframework.web.util.UriComponents;
 import org.springframework.web.util.UriComponentsBuilder;
 
 import java.net.URI;
+import java.net.URLDecoder;
 import java.net.URLEncoder;
 import java.nio.charset.Charset;
 import java.nio.charset.StandardCharsets;
@@ -35,6 +36,16 @@ public class HttpUtils {
         return URLEncoder.encode(value, StandardCharsets.UTF_8);
     }
 
+    /**
+     * 解码 URL 参数
+     *
+     * @param value 参数
+     * @return 解码后的参数
+     */
+    public static String decodeUtf8(String value) {
+        return URLDecoder.decode(value, StandardCharsets.UTF_8);
+    }
+
     @SuppressWarnings("unchecked")
     public static String replaceUrlQuery(String url, String key, String value) {
         UrlBuilder builder = UrlBuilder.of(url, Charset.defaultCharset());
diff --git a/yudao-module-infra/src/main/java/cn/iocoder/yudao/module/infra/framework/file/core/client/s3/S3FileClient.java b/yudao-module-infra/src/main/java/cn/iocoder/yudao/module/infra/framework/file/core/client/s3/S3FileClient.java
index d2213f5328..74a9361f99 100644
--- a/yudao-module-infra/src/main/java/cn/iocoder/yudao/module/infra/framework/file/core/client/s3/S3FileClient.java
+++ b/yudao-module-infra/src/main/java/cn/iocoder/yudao/module/infra/framework/file/core/client/s3/S3FileClient.java
@@ -116,7 +116,7 @@ public class S3FileClient extends AbstractFileClient<S3FileClientConfig> {
     public String presignGetUrl(String url, Integer expirationSeconds) {
         // 1. 将 url 转换为 path
         String path = StrUtil.removePrefix(url, config.getDomain() + "/");
-        path = HttpUtils.removeUrlQuery(path);
+        path = HttpUtils.decodeUtf8(HttpUtils.removeUrlQuery(path));
 
         // 2.1 情况一：公开访问：无需签名
         // 考虑到老版本的兼容，所以必须是 config.getEnablePublicAccess() 为 false 时，才进行签名