diff --git a/IRaCIS.Core.API/appsettings.US_IRC.json b/IRaCIS.Core.API/appsettings.US_IRC.json
index 9c44ee6cf..a3f10ceef 100644
--- a/IRaCIS.Core.API/appsettings.US_IRC.json
+++ b/IRaCIS.Core.API/appsettings.US_IRC.json
@@ -13,7 +13,7 @@
 
   "ObjectStoreService": {
 
-    "ObjectStoreUse": "AliyunOSS",
+    "ObjectStoreUse": "AWS",
 
     "AliyunOSS": {
       "regionId": "cn-shanghai",