增加erp创建退货单失败处理信息

@@ -181,17 +181,37 @@ code==200表示成功,其它都为失败
 | exchanges | amq.topic |
 | route key | erp.createRefundOrder |
 
+
+成功
+
 ```json
-{   "order_returned_id":1,      //order_returned_id为前台退货id唯一主键
-    "returned_id":1,            //returned_id为erp退货id唯一主键
-    "returned_status":10,
-    "real_returned_amount":100,
-    "is_return_coupon":"N",
-    "return_yoho_coin":11111
+{
+    "code": 200, 
+    "message": "ok", 
+    "data": {   
+        "order_returned_id":1,      //order_returned_id为前台退货id唯一主键
+        "returned_id":1,            //returned_id为erp退货id唯一主键
+        "returned_status":10,
+        "real_returned_amount":100,
+        "is_return_coupon":"N",
+        "return_yoho_coin":11111
+    }
 }
+```
 
+失败
+
+```json
+{
+    "code":500,
+    "message":"error",
+    "data":{ 
+        "order_returned_id": 1     //order_returned_id为前台退货id唯一主键
+    }
+}
 ```
 
+
 ### 前台更新退货快递信息
 | | |
 | :-- | :-- |