Cause of, When sending items to "ACCOUNT". After that, Data of "Sub Agent or Customer" on booking page are changed, But data of items were send to "ACCOUNT" not updating.
Because, The system has to memorize the data were sending the last time only.The method that made updating data is change status of item from "SEND" to "OK" then change status from "OK" to "SEND" and press the button "Send" for sending the items to ACCOUNT again.