@Sorawee 

I am just double checking, but did you deploy this workflow change and start a new workflow instance?

Does a new workflow instance running on the newly deployed version experience this issue?

Yes,i'm deploy this workflow and start the newly deployed version but happen issue

@Sorawee

Hmm…I am not able to reproduce this behavior.

I would check another thing as parameters are configured per Task.  So if you have a ‘Receiver Request’ task and a ‘Manager Approval’ task (for example), and they use the same Custom form type, then it could be that you are looking at a ‘Manager Approval’ task URL instead of a ‘Receiver Request’ task URL.  For example:

• ‘Receiver Request’
  • Parameter:
    • Serial Number
    • request_id
    • is_pre
  • A task that was assigned by the Receiver Request step will have all 3 parameters
• ‘Manager Approval’
  • Parameter:
    • Serial Number
    • request_id
  • A task that was assigned by the Manager Approval step will only have the 2 parameters configured

If this is also not the case, then I would consider logging a support ticket.