bug fix
diff --git a/dubbo-admin-backend/src/main/java/org/apache/dubbo/admin/controller/TagRoutesController.java b/dubbo-admin-backend/src/main/java/org/apache/dubbo/admin/controller/TagRoutesController.java
index 88a918a..3d23f4f 100644
--- a/dubbo-admin-backend/src/main/java/org/apache/dubbo/admin/controller/TagRoutesController.java
+++ b/dubbo-admin-backend/src/main/java/org/apache/dubbo/admin/controller/TagRoutesController.java
@@ -39,7 +39,7 @@
     }
 
     @RequestMapping(value = "/{id}", method = RequestMethod.PUT)
-    public boolean updateRule(@PathVariable String id, @RequestBody TagRouteDTO routeDTO, @PathVariable String dev) {
+    public boolean updateRule(@PathVariable String id, @RequestBody TagRouteDTO routeDTO, @PathVariable String env) {
         if (routeService.findConditionRoute(id) == null) {
             //throw exception
         }