diff --git a/src/Http/Request.php b/src/Http/Request.php
index 5ddf48d..2a771aa 100755
--- a/src/Http/Request.php
+++ b/src/Http/Request.php
@@ -774,11 +774,10 @@ public function browser($type = null)
             'Safari'=>'Safari',
             'Netscape'=>'Netscape'
         ];
-        $browsers = config('browerser');
+        $browsers =  array_merge($browsers, (array) config('browerser', []));
         foreach($browsers as $tag => $browser){
             if (stripos($userAgent, $tag)) return $browser;
         }
-        return null;
     }