I have updated former partly wrong description info(web element xpath pic info).
Following is updated description for the problem I encounter.
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
This web element is relavant to flash. Currently can Kalalon support flash element click well?
Any unclear, please tell me.