😀 优化URL方法

Signed-off-by: 逆天的蝈蝈 <632522043@qq.com>

app/functions.php

@@ -84,6 +84,8 @@ if (!function_exists('url')) {
 
         if (!Str::startsWith($url, '/')) {
             $url = DIRECTORY_SEPARATOR . $url;
+        }else{
+            return  $url . $vars;
         }
 
         return $app == 'index' ? $url . $vars : '/' . $app . $url . $vars;