diff --git a/webapp/controller/ShopController.class.php b/webapp/controller/ShopController.class.php
index 8a7cfd2f..87304b57 100644
--- a/webapp/controller/ShopController.class.php
+++ b/webapp/controller/ShopController.class.php
@@ -52,7 +52,7 @@ class ShopController extends BaseAuthedController {
     {
         $shopId = getReqVal('shop_id', 0);
         $goodsList = ShopService::getGoodsList($shopId);
-        $this->_rspData(
+        myself()->_rspData(
             array(
                 'goods_list' => $goodsList,
             )
@@ -66,34 +66,34 @@ class ShopController extends BaseAuthedController {
         $goodsNum = getReqVal('goods_num', 0);
 
         if ($goodsNum < 1) {
-            $this->_rspErr(1, "goods_num parameter error, goods_num: {$goodsNum}");
+            myself()->_rspErr(1, "goods_num parameter error, goods_num: {$goodsNum}");
             return;
         }
 
         $goodsMeta = mt\ShopGoods::getByGoodsUuid($goodsUuid);
         if (!$goodsMeta) {
-            $this->_rspErr(1, 'goods not found');
+            myself()->_rspErr(1, 'goods not found');
             return;
         }
         if ($goodsNum > $goodsMeta['max_amount']) {
-            $this->_rspErr(1, "goods_num parameter error, max_amount: {$goodsMeta['max_amount']}");
+            myself()->_rspErr(1, "goods_num parameter error, max_amount: {$goodsMeta['max_amount']}");
             return;
         }
         $itemMeta = mt\Item::get($goodsMeta['item_id']);
         if (!$itemMeta) {
-            $this->_rspErr(1, 'goods not found, goods_id: ' . $goodsMeta['goods_id']);
+            myself()->_rspErr(1, 'goods not found, goods_id: ' . $goodsMeta['goods_id']);
             return;
         }
         $errCode = 0;
         $errMsg = '';
         if ($itemMeta['type'] == mt\Item::HERO_SKIN_TYPE) {
             if (!$this->canBuy($itemMeta, $errCode, $errMsg)) {
-                $this->_rspErr($errCode, $errMsg);
+                myself()->_rspErr($errCode, $errMsg);
                 return;
             }
         }
         if (!ShopService::buyLimitCheck($goodsMeta, $errCode, $errMsg)) {
-            $this->_rspErr($errCode, $errMsg);
+            myself()->_rspErr($errCode, $errMsg);
             return;
         }
 
@@ -111,7 +111,7 @@ class ShopController extends BaseAuthedController {
         $awardService = new services\AwardService();
         if ($isFreeBuy) {
             $awardService->addItem($itemMeta['id'], $goodsNum);
-            $this->_rspData(
+            myself()->_rspData(
                 array(
                     'award' => $awardService->toDto(),
                     'property_chg' => $propertyChgService->toDto(),
@@ -121,7 +121,7 @@ class ShopController extends BaseAuthedController {
             return;
         } else {
             if (!in_array($tokenType, $checkTokenType)) {
-                $this->_rspErr(1, "token_type parameter error, desired_token_type: {$desiredTokenType}");
+                myself()->_rspErr(1, "token_type parameter error, desired_token_type: {$desiredTokenType}");
                 return;
             }
         }
@@ -134,13 +134,13 @@ class ShopController extends BaseAuthedController {
 
         $discountBegin = strtotime($goodsMeta['discount_begin']);
         $discountEnd = strtotime($goodsMeta['discount_end']);
-        $nowTime = $this->_getNowTime();
+        $nowTime = myself()->_getNowTime();
 
         if ($nowTime >= $discountBegin && $nowTime < $discountEnd) {
             $needPrice = ceil($needPrice * ($discount / 100.0));
         }
 
-        $costItemId = $this->getCostItemIdByTokenType($tokenType);
+        $costItemId = myself()->getCostItemIdByTokenType($tokenType);
         $costItems = array(
             'item_id' => $costItemId,
             'item_num' => $goodsNum * $needPrice
@@ -152,16 +152,16 @@ class ShopController extends BaseAuthedController {
                 mt\Shop::TOKEN_TYPE_DIAMOND
             )
         )) {
-            $this->_rspErr(1, "token_type is unsupport, {$tokenType}");
+            myself()->_rspErr(1, "token_type is unsupport, {$tokenType}");
             return;
         }
         $lackItem = null;
-        if (!$this->_hasEnoughItems($costItems, $lackItem)) {
-            $this->_rspErr(2, $this->_getLackItemErrMsg($lackItem));
+        if (!myself()->_hasEnoughItems($costItems, $lackItem)) {
+            myself()->_rspErr(2, myself()->_getLackItemErrMsg($lackItem));
             return;
         }
         ShopBuyRecord::add($id, $goodsNum);
-        $this->_decItems($costItems);
+        myself()->_decItems($costItems);
         for ($i = 0; $i < $goodsNum; $i++) {
             $this->internalAddItem($awardService,
                                    $propertyChgService,