fix ctx

@@ -61,7 +61,7 @@ const convertCoupons = (req, res, next) => {
 
 // 获取礼品卡列表
 const getGiftCards = (req, res, next) => {
-    req.ctx(oeModel)..getGiftCards(req.user.uid).then(data => {
+    req.ctx(oeModel).getGiftCards(req.user.uid).then(data => {
         if (data.data) {
             data.data.userMobile = req.user.mobile;
         }