diff --git a/library/think/Route.php b/library/think/Route.php
index ccadee80..7c6d18ce 100644
--- a/library/think/Route.php
+++ b/library/think/Route.php
@@ -1400,7 +1400,6 @@ class Route
             foreach ($matches as $key => $val) {
                 if (false !== strpos($route, ':' . $key)) {
                     $route = str_replace(':' . $key, $val, $route);
-                    unset($matches[$key]);
                 }
             }
         }