why cant paste screenshots from the browser

Axure RP 11
1

version: axure rp11
browser: chrome / safari
os : mac

my steps:
1、i browser the web page in browser, then take a screenshot of the page
2、switch to axure and paste(ctrl+v) the screenshot, the result is nothing, no hint, no error report

if take screenshot from office app, its successful

2

Hello @hooke,

Thank you for writing in! We have our recommended steps for adding images to an Axure RP Project in our Documentation here: https://docs.axure.com/axure-rp/reference/images/#adding-images-to-your-designs