diff --git a/src/document/cn/apidoc.json b/src/document/cn/apidoc.json
index 3b3e03351..534f525ad 100644
--- a/src/document/cn/apidoc.json
+++ b/src/document/cn/apidoc.json
@@ -18,6 +18,7 @@
     "WxJSAPIPay",
     "AliJSAPIPay",
     "MobileH5",
+    "microapp",
     "NewMobileH5Pay",
     "MobileH5Pay",
     "RetailPay",
diff --git a/src/document/cn/apis.js b/src/document/cn/apis.js
index 3e6c31dec..d8bf60b1d 100644
--- a/src/document/cn/apis.js
+++ b/src/document/cn/apis.js
@@ -679,7 +679,7 @@
  * @api {PUT}  /api/v1.0/gateway/partners/{partner_code}/microapp_orders/{order_id} 创建小程序订单
  * @apiName microapp
  * @apiDescription
- * 用于小程序中发起支付，创建订单后返回小程序支付所需参数，该接口仅现仅支持微信小程序。
+ * 用于小程序中发起支付，创建订单后返回小程序支付所需参数，该接口现仅支持微信小程序。
  * <br>
  *     <img src="img/microapp_cn.png">
  * @apiVersion 1.0.0
@@ -695,7 +695,7 @@
  * @apiParam (JSON) {String} notify_url 支付通知url，详见支付通知api，不填则不会推送支付通知
  * @apiParam (JSON) {String} operator 操作人员标识
  * @apiParam (JSON) {String} appid 小程序appid
- * @apiParam (JSON) {String} customerId 小程序
+ * @apiParam (JSON) {String} customer_id 小程序openid
  *
  * @apiSuccess {String} return_code 执行结果
  * @apiSuccess {String} result_code SUCCESS表示创建订单成功，EXISTS表示订单已存在
@@ -718,7 +718,7 @@
  * @apiName AlipayOnline
  * @apiDescription
  * 用于PC端支付宝支付，创建订单后跳转到返回的pay_url（需附加签名参数和redirect参数），随后进入支付宝支付页面完成支付
- * 该接口仅现仅支持支付宝。<br>
+ * 该接口现仅支持支付宝。<br>
  *     <img src="img/alipayOnline_cn.png">
  * @apiVersion 1.0.0
  * @apiGroup Alipay_Online_Payment
diff --git a/src/document/en/apidoc.json b/src/document/en/apidoc.json
index 90bfe4aa1..7a0de065f 100644
--- a/src/document/en/apidoc.json
+++ b/src/document/en/apidoc.json
@@ -18,6 +18,7 @@
     "WxJSAPIPay",
     "AliJSAPIPay",
     "MobileH5",
+    "microapp",
     "NewMobileH5Pay",
     "MobileH5Pay",
     "RetailPay",
diff --git a/src/document/en/apis.js b/src/document/en/apis.js
index 727ab66ff..5bd18ce0a 100644
--- a/src/document/en/apis.js
+++ b/src/document/en/apis.js
@@ -712,6 +712,8 @@
  * @apiParam (JSON) {String=AUD,CNY} currency=AUD Currency
  * @apiParam (JSON) {String} notify_url System will call the notify url if provided when the payment succeeds
  * @apiParam (JSON) {String} operator Note for the operator who created this order.
+ * @apiParam (JSON) {String} appid wechat app app_id
+ * @apiParam (JSON) {String} customer_id wechat app open_id
  *
  * @apiSuccess {String} return_code Execution result
  * @apiSuccess {String} result_code SUCCESS means order created successfully, EXISTS means order has already existed.