[zh]Update concepts pages(part-3) for links with '/zh/' prefix, using new prefix '/zh-cn/'

content/zh-cn/docs/concepts/scheduling-eviction/scheduler-perf-tuning.md

@@ -23,7 +23,7 @@ is the Kubernetes default scheduler. It is responsible for placement of Pods
 on Nodes in a cluster.
 -->
 作为 kubernetes 集群的默认调度器，
-[kube-scheduler](/zh/docs/concepts/scheduling-eviction/kube-scheduler/#kube-scheduler)
+[kube-scheduler](/zh-cn/docs/concepts/scheduling-eviction/kube-scheduler/#kube-scheduler)
 主要负责将 Pod 调度到集群的 Node 上。
 
 <!--
@@ -85,7 +85,7 @@ To change the value, edit the
 and then restart the scheduler.
 In many cases, the configuration file can be found at `/etc/kubernetes/config/kube-scheduler.yaml`
  -->
-要修改这个值，先编辑 [kube-scheduler 的配置文件](/zh/docs/reference/config-api/kube-scheduler-config.v1beta3/)
+要修改这个值，先编辑 [kube-scheduler 的配置文件](/zh-cn/docs/reference/config-api/kube-scheduler-config.v1beta3/)
 然后重启调度器。
 大多数情况下，这个配置文件是 `/etc/kubernetes/config/kube-scheduler.yaml`。
 
@@ -128,7 +128,7 @@ stops searching for more feasible nodes and moves on to the
 kube-scheduler 会将它转换为节点数的整数值。在调度期间，如果
 kube-scheduler 已确认的可调度节点数足以超过了配置的百分比数量，
 kube-scheduler 将停止继续查找可调度节点并继续进行
-[打分阶段](/zh/docs/concepts/scheduling-eviction/kube-scheduler/#kube-scheduler-implementation)。
+[打分阶段](/zh-cn/docs/concepts/scheduling-eviction/kube-scheduler/#kube-scheduler-implementation)。
 
 <!--
 [How the scheduler iterates over Nodes](#how-the-scheduler-iterates-over-nodes)
@@ -300,4 +300,4 @@ After going over all the Nodes, it goes back to Node 1.
 
 <!-- * Check the [kube-scheduler configuration reference (v1beta3)](/docs/reference/config-api/kube-scheduler-config.v1beta3/) -->
 
-* 参见 [kube-scheduler 配置参考 (v1beta3)](/zh/docs/reference/config-api/kube-scheduler-config.v1beta3/)
+* 参见 [kube-scheduler 配置参考 (v1beta3)](/zh-cn/docs/reference/config-api/kube-scheduler-config.v1beta3/)