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 7488925..1ec36c3 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
@@ -24,7 +24,7 @@ public class QiniuStorageService implements StorageService {
     private Client qiniuClient;
     private Auth auth;
     private String bucket;
-    private String ioHost;
+    private String downloadDomain;
 
     private synchronized void ensureInit() {
         if (bucket != null) return;
@@ -32,6 +32,7 @@ public class QiniuStorageService implements StorageService {
         String sk = env("QINIU_SK");
         String regionStr = env("QINIU_REGION", "z2");
         this.bucket = env("QINIU_BUCKET", "par-configs");
+        this.downloadDomain = env("QINIU_DOWNLOAD_DOMAIN");
         this.auth = Auth.create(ak, sk);
         Region region = switch (regionStr) {
             case "z0" -> Region.region0();
@@ -42,18 +43,10 @@ public class QiniuStorageService implements StorageService {
             default -> Region.autoRegion();
         };
         Configuration cfg = new Configuration(region);
-        this.ioHost = switch (regionStr) {
-            case "z0" -> "iovip-z0.qiniuio.com";
-            case "z1" -> "iovip-z1.qiniuio.com";
-            case "z2" -> "iovip-z2.qiniuio.com";
-            case "na0" -> "iovip-na0.qiniuio.com";
-            case "as0" -> "iovip-as0.qiniuio.com";
-            default -> "iovip-z2.qiniuio.com";
-        };
         this.uploadManager = new UploadManager(cfg);
         this.bucketManager = new BucketManager(auth, cfg);
         this.qiniuClient = new Client(cfg);
-        log.info("Qiniu 存储就绪: bucket={}, ioHost={}", bucket, ioHost);
+        log.info("Qiniu 存储就绪: bucket={}, downloadDomain={}", bucket, downloadDomain);
     }
 
     @Override
@@ -71,13 +64,17 @@ public class QiniuStorageService implements StorageService {
     @Override
     public String read(String path) {
         ensureInit();
-        // 通过 SDK Client + 区域 ioHost 私密下载
-        String baseUrl = "http://" + ioHost + "/" + path;
+        // 通过 SDK Client + downloadDomain 私密下载
+        if (downloadDomain == null) {
+            log.warn("Qiniu 读取失败: QINIU_DOWNLOAD_DOMAIN 未配置");
+            return null;
+        }
+        String baseUrl = downloadDomain + "/" + path;
         String signedUrl = auth.privateDownloadUrl(baseUrl, 3600);
         try {
             Response resp = qiniuClient.get(signedUrl);
             if (resp.isOK()) return resp.bodyString();
-            log.warn("Qiniu 读取失败 {}: HTTP {}", path, resp.statusCode);
+            log.warn("Qiniu 读取失败 {}: HTTP {} (domain={})", path, resp.statusCode, downloadDomain);
         } catch (QiniuException e) {
             log.warn("Qiniu 读取失败 {}: {}", path, e.response != null ? e.response.error : e.getMessage());
         }