add docs

docs/已有协议分析/order.md

@@ -219,7 +219,21 @@ params:
 
 returns
 ```json
-
+{
+  "status": 200,
+  "msg": "ok",
+  "data": {
+    "status": "NONE",
+    "result": {
+      "total_price": "78.21",
+      "pay_price": 79.21,
+      "pay_postage": "1.00",
+      "coupon_price": 0,
+      "deduction_price": 0,
+      "SurplusIntegral": 0
+    }
+  }
+}
 ```
 
 ## /order/create/:key 创建订单