diff --git a/update-service/src/main/java/com/xuqm/update/service/StoreSubmissionService.java b/update-service/src/main/java/com/xuqm/update/service/StoreSubmissionService.java
index ccf4405..05bc113 100644
--- a/update-service/src/main/java/com/xuqm/update/service/StoreSubmissionService.java
+++ b/update-service/src/main/java/com/xuqm/update/service/StoreSubmissionService.java
@@ -292,13 +292,23 @@ public class StoreSubmissionService {
         String hwAppId = huaweiGetAppId(clientId, token, packageName);
 
         // 3. Request upload URL
+        // Huawei returns either urlList (list) or urlInfo (single object)
         Map<String, Object> uploadUrlResp = huaweiGetUploadUrl(clientId, token, hwAppId, file);
+        Map<String, Object> urlInfo;
         List<Map<String, Object>> urlList = asMapList(uploadUrlResp.get("urlList"));
-        if (urlList.isEmpty()) urlList = asMapList(uploadUrlResp.get("data"));
-        if (urlList.isEmpty()) {
-            throw new RuntimeException("Huawei: upload url response missing urlList, response=" + summarizeMap(uploadUrlResp));
+        if (!urlList.isEmpty()) {
+            urlInfo = urlList.get(0);
+        } else if (uploadUrlResp.containsKey("urlInfo") && uploadUrlResp.get("urlInfo") instanceof Map) {
+            @SuppressWarnings("unchecked")
+            Map<String, Object> single = (Map<String, Object>) uploadUrlResp.get("urlInfo");
+            urlInfo = single;
+        } else {
+            urlList = asMapList(uploadUrlResp.get("data"));
+            if (urlList.isEmpty()) {
+                throw new RuntimeException("Huawei: upload url response missing urlList/urlInfo, response=" + summarizeMap(uploadUrlResp));
+            }
+            urlInfo = urlList.get(0);
         }
-        Map<String, Object> urlInfo = urlList.get(0);
         String uploadUrl = (String) urlInfo.get("url");
         @SuppressWarnings("unchecked")
         Map<String, String> uploadHeaders = (Map<String, String>) urlInfo.get("headers");