refactor: 区分联系我们banner的pc与mobile数据

app/index/controller/ContactUs.php

@@ -34,6 +34,7 @@ class ContactUs extends Common
                     ->where('status', '=', 1)
                     ->order(['sort' => 'asc', 'id' => 'desc']);
             }])
+            ->atPlatform(request()->from)
             ->uniqueLabel(['BANNER_6805e3d32dcc2', 'BANNER_6806090c1838f'])
             ->language($this->lang_id)
             ->enabled(true)