after successfully uploading a piece (aaa.pdf), delete the currently uploaded file. When you select the same file (aaa.pdf) for the second time, there is no response, and all hook functions are not executed. If the selection (bbb.pdf) is different from the first file, there is no BUG, in IE11, chrome and FF, but not IE10. I do not know if there is a god who has encountered the same problem. If you are lucky enough to be seen by you, Then please leave the solution! Wait on the line!
Hello, how did you solve it in the end?
find a solution, brother
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