add

application/Admin/Controller/WelfareController.class.php

@@ -42,9 +42,8 @@ class WelfareController extends AdminbaseController
                 if (empty($check)) {
                     M("welfare_rate")->add($p);
                 } else {
-                    $a = M("welfare_rate")->where("id=1");
-                    $b = $a->save(['price' => $price]);
-                    var_dump($b);
+                    $a = M("welfare_rate")->where(array('id' => 1))->save(['price' => $price]);
+                    var_dump($a);
                     die;
                 }
             }