edit

vip/src/Buy.php

@@ -56,6 +56,8 @@ class Buy extends Base
                 } else {
                     $data[$k]['active'] = '';
                 }
+
+                $data[$k]['cash_str'] = number_format($v['cash'], 2);
                 
                 $data[$k]['pay_url'] = $this->url('buy.pay', array('buy_id' => $v['id']), 'vip');
 

vip/template/mobile/pay.php

@@ -21,7 +21,7 @@ $view
         'self' => array
         (
             'class' => 'time-option <{$v.active}>',
-            'data-price' => '$v.cash',
+            'data-price' => '$v.cash_str',
             'data-package' => '$v.id',
             'data-url' => '$v.pay_url',
         ),