WooCommerce防止格式化数字链接

Question

On WooCommerce when I add a digital link to a product, after saving the page the link format is broken. (erasing the %)

Example is the original link (i need to keep)
https://duckduckgo.com/l/?kh=-1&uddg=http%3A%2F%2Fgoo.gl%2Fq6gdgL

And after recording it becomes.
https://duckduckgo.com/l/?kh=-1&uddg=httpgoo.glq6gdgL

How to keep the formatting of %?
Is there a possibility to change the php source code?

Answer 1

Just try to add the link like this:

https://duckduckgo.com/l/?kh=-1&uddg=http://goo.gl/q6gdgL

You have tried to add your URL encode.
Have a look at HTML URL Encoding Reference to understand what I mean.