fix docs

src/document/cn/apis.js

@@ -224,7 +224,7 @@
  * @apiParam (JSON) {String=Alipay,Wechat} channel 支付渠道，大小写敏感
  * @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='system','RYCBSM','METECH'} source='system'
+ * @apiParam (JSON) {String='SYSTEM','RYCBSM','METECH'} source='SYSTEM'
  * 订单来源平台
  * <ul>
  *     <li>R跨境商城:'RYCBSM'</li>
@@ -758,7 +758,7 @@
  * @apiParam (JSON) {String} operator 操作人员标识
  * @apiParam (JSON) {String} appid 小程序appid(接入微信小程序必填，支付宝不需要)
  * @apiParam (JSON) {String} customer_id 小程序获取的用户id(微信为openid，支付宝为userid)
- * @apiParam (JSON) {String='system','RYCBSM','METECH'} source='system'
+ * @apiParam (JSON) {String='SYSTEM','RYCBSM','METECH'} source='SYSTEM'
  * 订单来源平台
  * <ul>
  *     <li>R跨境商城:'RYCBSM'</li>

src/document/en/apis.js

@@ -232,7 +232,7 @@
  * @apiParam (JSON) {String=Alipay,Wechat} channel Payment channel, case sensitive
  * @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='system','RYCBSM','METECH'} source='system'
+ * @apiParam (JSON) {String='SYSTEM','RYCBSM','METECH'} source='SYSTEM'
  * Order source platform
  * <ul>
  *     <li>R跨境商城:'RYCBSM'</li>
@@ -770,7 +770,7 @@
  * @apiParam (JSON) {String} operator Note for the operator who created this order.
  * @apiParam (JSON) {String} appid Wechat channel required, miniprogram app_id
  * @apiParam (JSON) {String} customer_id wechat miniprogram open_id or alipay miniprogram userid
- * @apiParam (JSON) {String='system','RYCBSM','METECH'} source='system'
+ * @apiParam (JSON) {String='SYSTEM','RYCBSM','METECH'} source='SYSTEM'
  * Order source platform
  * <ul>
  *     <li>R跨境商城:'RYCBSM'</li>