修复学生价不显示的问题

@@ -1524,7 +1524,10 @@ let getNewProductAsyncData = (data) => {
     }
 
     params.is_student = data.isStudent ? 1 : 0;
-    params.current_vip_level = data.vipLevel;
+
+    if (!params.is_student) {
+        params.current_vip_level = data.vipLevel;
+    }
 
     return api.get('', params, {
         code: 200,
@@ -1658,6 +1661,10 @@ let _detailDataPkgAsync = (origin, uid, vipLevel, ua) => {
         goodsPrice.previousPrice = origin.format_market_price;
     }
 
+    if (origin.student_price) {
+        goodsPrice.studentPrice = origin.student_price;
+    }
+
     dest.goodsPrice = goodsPrice;
 
     if (origin.is_secKill) {
@@ -1746,7 +1753,7 @@ let _detailDataPkgAsync = (origin, uid, vipLevel, ua) => {
                     };
 
                     allSizeList[sizeName] = (allSizeList[sizeName] === null ||
-                        typeof allSizeList[sizeName] === 'undefined') ? build : allSizeList[sizeName];
+                    typeof allSizeList[sizeName] === 'undefined') ? build : allSizeList[sizeName];
                     colorStorageNum += parseInt(size.storage_number, 10);
                     colorStorageGroup[value.product_skc][sizeName] = parseInt(size.storage_number, 10);
                 });

@@ -4,8 +4,8 @@ const cookie = global.yoho.cookie;
 module.exports = () => {
     return (req, res, next) => {
         // 从 SESSION 中获取到当前登录用户的 UID
-        if (req.session && _.isNumber(req.session._LOGIN_UID)) {
-            req.user.uid = req.session._LOGIN_UID;
+        if (req.session && _.isNumber(req.session.LOGIN_UID)) {
+            req.user.uid = req.session.LOGIN_UID;
         }
 
         // session 没有读取到的时候，从 cookie 读取 UID