diff --git a/webapp/controller/ShareController.class.php b/webapp/controller/ShareController.class.php
index 617b77c..01f0b3a 100644
--- a/webapp/controller/ShareController.class.php
+++ b/webapp/controller/ShareController.class.php
@@ -293,6 +293,7 @@ class ShareController{
             return;
         }
         $ach_id = $_REQUEST['ach_id'];
+        $double = $_REQUEST['double'];
         $row = $conn->execQueryOne('SELECT status FROM share_achievement WHERE accountid=:accountid AND ach_id=:ach_id;',
                                    array(
                                        ':accountid' => $account_id,
@@ -332,6 +333,12 @@ class ShareController{
         $ach_list = $data['invitee_nums'];
         $peo_num = 0;
         $sh = $this->getShare($ach_id);
+        $num = 0;
+        if ($double != 0) {
+            $num = 2;
+        } else {
+            $num = 1;
+        }
         for ($i = 0; $i < count($ach_list); $i++) {
             $delim = ",";
             $drop_multiply = explode($delim, $string);
@@ -353,7 +360,7 @@ class ShareController{
         }
         $array = $this->getExplode($sh['rewards']);
         $addreward = new classes\AddReward();
-        $addreward->addReward($array[0][0], $array[0][1], $account_id);
+        $addreward->addReward($array[0][0], $array[0][1] * $num, $account_id);
         echo json_encode(array(
             'errcode' => 0,
             'errmsg' => '',