diff --git a/doc/团购修改的数据结构.java b/doc/团购修改的数据结构.java
new file mode 100644
index 0000000..0314fb2
--- /dev/null
+++ b/doc/团购修改的数据结构.java
@@ -0,0 +1,33 @@
+{
+        "团购活动id":"Long"
+        "商品ID":"Long",
+        "活动名称":"String",
+        "活动简介":"String",
+        "商品图片":"String",
+        "商品单位":"String",
+        "商品的轮播图":[
+        "String","String"
+        ],
+        "活动时间":"date",
+        "策略类型":"String",
+        "策略ID":"Long",
+        "商品规格":{
+            "商品规格List":[
+                {
+                "规格id":"Long",
+                "拼团价格":"BigDecimal",
+                "拼团库存":"Long"
+                }
+            ],
+            "删除商品规格idList":["Long","Long"],
+            "添加商品规格List":[
+                    "规格SKU": "String", // activity_team_product_sku_info.product_sku
+                    "拼团价格": "BigDecimal",
+                    "商品价格":"BigDecimal",
+                    "拼团库存": "Long"
+                    ]
+        },
+        "排序":"Integer",
+        "详情":"String",
+        "状态":"String"
+}
\ No newline at end of file