During the test, it was found that the emergency stop information and location information could not be uploaded correctly sometimes, and there were some problems such as failure location not displayed or failure cancellation not recovered on the emergency stop details page. In view of the problem that the information of emergency stop position is not displayed, it is found that the reliability of fault judgment program is low after inspection, and the problem is solved after appropriately increasing the delay. In view of the problem that the fault is not displayed or cancelled, it is found that there is a problem in the logic judgment of the upper computer program after inspection, and the modified fault information is displayed accurately.