....

examcloud-core-basic-api-provider/src/main/java/cn/com/qmth/examcloud/core/basic/api/controller/OrgController.java

@@ -663,7 +663,7 @@ public class OrgController extends ControllerSupport {
 
 			req.setFormFilePartList(formFilePartList);
 
-			req.setFileSuffix(".json");
+			req.setFileSuffix(fileSuffix);
 			req.setRootOrgId(orgEntity.getId());
 			req.setRootOrgDomain(orgEntity.getDomainName());
 			req.setExt1(propertyGroupId);