Data issue sending hl7 ？

[lxb0425]

Version 5.28 used
The values of the payload field in the task table in the database are shown in the screenshot below

Successfully sent to external hl7 receiver
But the received data is missing ，The following figure

I debugged in the local environment and found that the parsing here lacks data



The characters sent and received are both 8859/1

why ？can help me ？