更新 'README.md'

修改撮合生成结算单返回的结果

README.md

@@ -1910,7 +1910,7 @@ https://openapi.wlhy.pre.kuaihuoyun.com/order/create_order?access_token=fe12047e
 ```json
 {
     "code": 200,
-    "data": true,
+    "data": ["CJ2103231054442628"],
     "message": null
 }
 ```