add

application/Admin/Controller/WelfareController.class.php

@@ -43,8 +43,9 @@ class WelfareController extends AdminbaseController
                     M("welfare_rate")->add($p);
                 } else {
                     $a = M("welfare_rate")->where("id=1");
-
-                    var_dump($a);
+                    $a->price = $price;
+                    $b = $a->save();
+                    var_dump($b);
                     die;
                 }
             }