helm --set polaris.replicaCount=3 not work

[dyrnq]

Describe the bug
use helm install polaris always replicas: 1 even pass --set global.mode=cluster --set polaris.replicaCount=3 but polaris-limiter`s replicas work well

To Reproduce

curl -O https://github.com/polarismesh/polaris/releases/download/v1.12.1/polaris-helm-release_v1.12.1.kubernetes.zip
unzip -q polaris-helm-release_v1.12.1.kubernetes.zip
cd polaris-helm-release_v1.12.1.kubernetes
helm  install  --set global.mode=cluster --set polaris.replicaCount=3  

Expected behavior
pass --set global.mode=cluster --set polaris.replicaCount=3 will create polaris sts 3 replicas

Environment

• Version: 1.12.1
• OS: linux kubernetes

Additional context
None