add

application/Admin/Controller/WelfareController.class.php

@@ -29,6 +29,7 @@ class WelfareController extends AdminbaseController
     function savePrice()
     {
         $price=I('price');
+        echo $price;die;
         if ($price > 0) {
             $jackpot=M("welfare_rate");
             $check = $jackpot->where("id=1")->find();