diff --git a/src/document/openapi/cn/document.yml b/src/document/openapi/cn/document.yml
index d220d0ef1..fccc8a66a 100644
--- a/src/document/openapi/cn/document.yml
+++ b/src/document/openapi/cn/document.yml
@@ -1310,6 +1310,7 @@ paths:
                 $ref: 'components_order.yml#/customInfo'
     get:
       summary: 查询报关单
+      description: 对于2020-10-22后的订单新增了channel_request和channel_response以应对海关对原始下单参数和返回值的要求
       tags:
         - Custom
       parameters:
@@ -1325,7 +1326,16 @@ paths:
           content:
             application/json:
               schema:
-                $ref: 'components_order.yml#/customInfo'
+                allOf:
+                  - $ref: 'components_order.yml#/customInfo'
+                  - type: object
+                    properties:
+                      channel_request:
+                        type: string
+                        description: 订单原始下单请求
+                      channel_response:
+                        type: string
+                        description: 订单原始下单请求返回值
   /customs/partners/{partner_code}/redeclare/report/{client_report_id}:
     put:
       summary: 重新提交报关单