diff --git a/platform-operate-api/src/main/java/com/lyms/platform/operate/web/controller/RegionController.java b/platform-operate-api/src/main/java/com/lyms/platform/operate/web/controller/RegionController.java
index ed4a0ba..cd3cfe9 100644
--- a/platform-operate-api/src/main/java/com/lyms/platform/operate/web/controller/RegionController.java
+++ b/platform-operate-api/src/main/java/com/lyms/platform/operate/web/controller/RegionController.java
@@ -27,7 +27,7 @@ public class RegionController extends BaseController {
     @Autowired
     private RegionsService regionsService;
     @RequestMapping(value = "/regions",method = RequestMethod.GET)
-    public void getRegions(@RequestParam("parentId") int parentId,
+    public void getRegions(@RequestParam(value = "parentId", required = false) Integer parentId,
                            HttpServletResponse httpServletResponse){
         RegionsQuery regionsQuery= new RegionsQuery();
         regionsQuery.setParentId(parentId);