Scratch Response Data Scrambling Problem

  node.js, question

What is the format of these random codes in the response body obtained by the package grabbing tool and how can they be converted into normal characters?

The of the response header of the response returned under the check
If there may be the following
application/json; charset=GBK, then the encoding format of the content is GBK;; You must decode the returned content to meet the data encoding requirements of your code.