If you're seeing facebook issues with short urls created by services like Google - just don't use them. Use the direct link instead or consider testing other services like bit.ly.
Why are you using a short url in the first place?
I tried to use the direct link, and the result is the same.
Yesterday, I found that "&amp;amp" exists in my shopify product's management site, at
"Search engine listing preview Edit website SEO"
But I did edit it, deleted all "&amp;amp" and replace the main description.
I don't no why it changed?
Now we're getting somewhere. If you have the ampersands added literally into the template html or product settings that could account for why those values are showing.
Now facebook will also cache the results so if you've shared it once it will likely use the same values again. You can use the facebook sharing debugger to fetch new content (and just to test what facebook sees):
If you're still having issues you may need to post your url here so the forum members view it on their end.