Marco-Zheng opened a new issue #4318: URL: https://github.com/apache/apisix/issues/4318
### Issue description I see that in the traffic-split of the official case of Apisix, ctx.var is the value from the request header, but when I put the parameter in the header when I requested it, I didn't get the value ?   ### Environment * apisix version (cmd: `apisix version`): 2.4 -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. For queries about this service, please contact Infrastructure at: [email protected]
