diff --git a/par-core/src/main/java/com/par/core/storage/QiniuStorageService.java b/par-core/src/main/java/com/par/core/storage/QiniuStorageService.java
index cd9fa8f..ad1d852 100644
--- a/par-core/src/main/java/com/par/core/storage/QiniuStorageService.java
+++ b/par-core/src/main/java/com/par/core/storage/QiniuStorageService.java
@@ -39,15 +39,9 @@ public class QiniuStorageService implements StorageService {
         this.bucket = env("QINIU_BUCKET", "par-configs");
         this.auth = Auth.create(ak, sk);
         // 七牛分配或自定义的下载域名
-        this.downloadDomain = env("QINIU_DOWNLOAD_DOMAIN",
-                switch (regionStr) {
-                    case "z0" -> bucket + ".s3-cn-east-1.qiniucs.com";
-                    case "z1" -> bucket + ".s3-cn-north-1.qiniucs.com";
-                    case "z2" -> bucket + ".s3-cn-south-1.qiniucs.com";
-                    case "na0" -> bucket + ".s3-us-north-1.qiniucs.com";
-                    case "as0" -> bucket + ".s3-ap-southeast-1.qiniucs.com";
-                    default -> bucket + ".s3-cn-south-1.qiniucs.com";
-                });
+        // 下载域名：优先环境变量，否则用七牛分配的默认域名
+        // 可在七牛控制台 → 空间管理 → 域名管理 查看
+        this.downloadDomain = env("QINIU_DOWNLOAD_DOMAIN", "theeyq4hx.hn-bkt.clouddn.com");
         this.useHttps = "true".equalsIgnoreCase(env("QINIU_DOWNLOAD_HTTPS", "false"));
         Region region = switch (regionStr) {
             case "z0" -> Region.region0();