diff --git a/webapp/controller/AdditemController.class.php b/webapp/controller/AdditemController.class.php
index b1f6d8f..9cc2fa4 100644
--- a/webapp/controller/AdditemController.class.php
+++ b/webapp/controller/AdditemController.class.php
@@ -227,8 +227,6 @@ class AdditemController{
             die();
             return;
         }
-        error_log($addnum + $row['coin_num']);
-        error_log($row['diamond_num'] - $num);
         echo json_encode(array(
             'errcode' => 0,
             'errmsg' => '',
diff --git a/webapp/controller/ShopController.class.php b/webapp/controller/ShopController.class.php
index c35566d..241c355 100644
--- a/webapp/controller/ShopController.class.php
+++ b/webapp/controller/ShopController.class.php
@@ -402,7 +402,7 @@ class ShopController{
                                          ));
             $price = $i['price'] * $num;
             if ($row_c) {
-                $price = round($i['price'] * $row_c['coin_discount'] / 10);
+                $price = round($i['price'] * $num * $row_c['coin_discount'] / 10);
             }
             $this->SubCoin($price, $account_id, 1);
         } else if ($i['shop_type'] == 2) {
@@ -413,7 +413,7 @@ class ShopController{
                                              ':id' => $id
                                          ));
             if ($row_d) {
-                $price = round($i['dprice'] * $row_d['diamond_discount'] / 10);
+                $price = round($i['dprice'] * $num * $row_d['diamond_discount'] / 10);
             }
             $this->SubCoin($price, $account_id, 2);
         } else if ($i['shop_type'] == 3) {
@@ -425,7 +425,7 @@ class ShopController{
                                              ));
                 $price = $i['price'] * $num;
                 if ($row_c) {
-                    $price = round($price * $row_c['coin_discount'] / 10);
+                    $price = round($i['price'] * $num * $row_c['coin_discount'] / 10);
                 }
                 $this->SubCoin($price, $account_id, 1);
             } else if ($type == 1) {
@@ -436,7 +436,7 @@ class ShopController{
                                                  ':id' => $id
                                              ));
                 if ($row_d) {
-                    $price = round($dprice * $row_d['diamond_discount'] / 10);
+                    $price = round($i['dprice'] * $num * $row_d['diamond_discount'] / 10);
                 }
                 $this->SubCoin($price, $account_id, 2);
             }