recommend a fiddler extension FreeHttp.
the FreeHttp extension make it easier to tamper HTTP.
it can change or replace the request and response with simple rules.
It has more features than the AutoResponder, and more convenient than FiddlerScript .
github : https://github.com/lulianqi/FreeHttp/
doc : https://www.cnblogs.com/lulianqi/p/10428551.html