Update exchange.md

@@ -136,6 +136,24 @@
       "name": "快递延迟"
     }
   ],
+  "special_exchange_reason": [
+    {
+      "id": 4,
+      "name": "质量瑕疵"
+    },
+    {
+      "id": 8,
+      "name": "图片与实物不符"
+    },
+    {
+      "id": 6,
+      "name": "发错货"
+    },
+  ],
+  "special_notice":{
+            "title":"该商品暂不支持7天无理由退换",
+            "remark":"1.考虑到个人卫生，例如内衣、内裤、袜子等贴身塑身类商品，不支持无理由退换货   2.香水、香薰、化妆品等特殊商品，无质量问题，不支持无理由退换货"
+    },
   "goods_list": [
     {
       "changeNum": 3,
@@ -161,7 +179,8 @@
       "product_skn": "51134695",
       "product_sku": "834063",
       "sales_price": 139,
-      "size_name": "M"
+      "size_name": "M",
+      "is_limit_skn":1  //1表示没有限制,0表示是特殊商品有限制
     }
   ]
 }