1. Go to Developer → Extrinsics
2. Choose your controller account，clickphalaModule → stopMiningIntention() → Submit Transaction

Then you will wait for the next mining period (every 1 hour) to get stopped.

Miner State Verification

1. Go toDeveloper → Chain State
2. phalaModule → workerState → Stash account
3. phalaModule → miningState → Stash account