How to support Siri on a watchOS app with iOS app(play media intent)

Project Info:A music player iOS App with watchOS app embedded.

Project Structure:

  • app target: music
  • intent extenstion: intent (for iOS platform)
  • watchOS app target: watchKit
  • watchOS extension: watchKit Extension

iOS app use intent extension to support SiriKit with play media intent, it works very well. now i want to support Siri on watchOS app, but i don't know how.
i have tried to add new watch extension target, but it doesn't work. i t keeps saying "my app doesn't support *** instruction".

Please share if I have missed to read through some documentation / reference that solves this problem.