In IE11 , click upload button, click operation is always no return,at last report error

Open a webpage in IE11 , click upload button, click operation is always no return in log, at last report error.
but upload file windows dialog is opened.



This upload button web source is following


Web element xpath is following
pic6

Anybody know the reason?

This web element seems relavant to flash. Currently can Kalalon support flash element click well?

This cannot be treated as a bug while there are user errors as noted here:

Hello Thomas, my upload screenshot for element xpath is another upload button element xpath.
Actual this element xpath is following.

So could you please help check this problem?
Currrently can Katalon support flash image click well in IE11