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 are memorize the data were sending the last time only.
The method that made the data updating is change status of item on booking page from "SEND" to "OK" then change status from "OK" to "SEND" and press the button "Send" for sending the items to ACCOUNT again.