diff --git a/library/think/Route.php b/library/think/Route.php
index 5553a0fb..29116167 100644
--- a/library/think/Route.php
+++ b/library/think/Route.php
@@ -150,6 +150,7 @@ class Route
         } elseif (!is_null($value)) {
             self::$rules['name'][$name][] = $value;
         } else {
+            $name = strtolower($name);
             return isset(self::$rules['name'][$name]) ? self::$rules['name'][$name] : null;
         }
     }