diff --git a/src/main/java/im/zhaojun/zfile/home/service/base/AbstractS3BaseFileService.java b/src/main/java/im/zhaojun/zfile/home/service/base/AbstractS3BaseFileService.java
index 8cec66e..fa820fd 100644
--- a/src/main/java/im/zhaojun/zfile/home/service/base/AbstractS3BaseFileService.java
+++ b/src/main/java/im/zhaojun/zfile/home/service/base/AbstractS3BaseFileService.java
@@ -58,7 +58,7 @@ public abstract class AbstractS3BaseFileService<P extends S3BaseParam> extends A
 
         // 如果不是私有空间, 且指定了加速域名, 则直接返回下载地址.
         if (BooleanUtil.isFalse(param.isPrivate()) && StrUtil.isNotEmpty(domain)) {
-            return StringUtils.concat(domain, fullPath);
+            return StringUtils.concat(domain, StringUtils.encodeAllIgnoreSlashes(fullPath));
         }
 
         Integer tokenTime = param.getTokenTime();