diff --git a/library/think/Url.php b/library/think/Url.php
index 6c938c04..cd763e32 100644
--- a/library/think/Url.php
+++ b/library/think/Url.php
@@ -241,8 +241,11 @@ class Url
                 }
                 $match = true;
             }
-            if (empty($pattern) && empty($param)) {
+            if (empty($pattern)) {
                 // 没有任何变量
+                if ($param) {
+                    $vars = array_diff_key($array, $param);
+                }
                 return $url;
             } elseif ($match && (empty($param) || array_intersect_assoc($param, $array) == $param)) {
                 // 存在变量定义