...

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

@@ -172,6 +172,11 @@ public class ResourceController extends ControllerSupport {
 				throw new StatusException("100004", "无效的请求");
 			}
 		}
+		Long parentId = domain.getParentId();
+		if (-1 == parentId) {
+			domain.setParentId(null);
+		}
+
 		ResourceInfo info = new ResourceInfo();
 		BeanUtils.copyProperties(domain, info);
 		resourceService.addDir(info);