Update Tiller version

避免出现 incompatible versions

README.md

@@ -197,7 +197,7 @@ kubectl delete -f https://raw.githubusercontent.com/kubernetes/ingress-nginx/mas
 brew install kubernetes-helm
 
 # Install Tiller into your Kubernetes cluster
-helm init --upgrade -i registry.cn-hangzhou.aliyuncs.com/google_containers/tiller:v2.11.0 --skip-refresh
+helm init --upgrade -i registry.cn-hangzhou.aliyuncs.com/google_containers/tiller:v2.12.2 --skip-refresh
 
 # update charts repo (Optional)
 helm repo update
@@ -211,7 +211,7 @@ helm repo update
 choco install kubernetes-helm
 
 # Install Tiller into your Kubernetes cluster
-helm init --upgrade -i registry.cn-hangzhou.aliyuncs.com/google_containers/tiller:v2.11.0 --skip-refresh
+helm init --upgrade -i registry.cn-hangzhou.aliyuncs.com/google_containers/tiller:v2.12.2 --skip-refresh
 
 # update charts repo (Optional)
 helm repo update