diff --git a/src/think/Request.php b/src/think/Request.php
index 4cb208fcfd..192c55c785 100644
--- a/src/think/Request.php
+++ b/src/think/Request.php
@@ -858,8 +858,7 @@ public function param($name = '', $default = null, $filter = '')
             }
 
             // 当前请求参数和URL地址中的参数合并
-            $this->param = array_merge($this->param, $this->get(false), $vars, $this->route(false));
-
+            $this->param = array_merge($this->param, $this->route(false), $this->get(false), $vars);
             $this->mergeParam = true;
         }