update

src/Widgets/Dropdown.php

@@ -27,7 +27,7 @@ class Dropdown extends Widget
      */
     protected $button = [
         'text'  => null,
-        'class' => 'btn btn-sm btn-white ',
+        'class' => 'btn btn-sm btn-white  waves-effect',
         'style' => null,
     ];
 

src/Widgets/Radio.php

@@ -166,7 +166,7 @@ class Radio extends Widget
     /**
      * 设置样式.
      *
-     * "info", "primary", "inverse", "danger", "success", "purple".
+     * 支持 "info", "primary", "danger", "success".
      *
      * @param string $style
      *