diff --git a/content/zh-cn/docs/reference/kubernetes-api/_index.md b/content/zh-cn/docs/reference/kubernetes-api/_index.md
index 81ea54f20e..d4b7d994d6 100644
--- a/content/zh-cn/docs/reference/kubernetes-api/_index.md
+++ b/content/zh-cn/docs/reference/kubernetes-api/_index.md
@@ -1,8 +1,21 @@
 ---
 title: Kubernetes API
 weight: 50
+card:
+  title: Kubernetes API 参考
+  name: reference
+  weight: 40
 ---
 
+<!--
+title: "Kubernetes API"
+weight: 50
+card:
+  title: Kubernetes API reference
+  name: reference
+  weight: 40
+-->
+
 <!-- overview -->
 
 {{< glossary_definition term_id="kubernetes-api" length="all" >}}
diff --git a/content/zh-cn/docs/reference/kubernetes-api/common-definitions/label-selector.md b/content/zh-cn/docs/reference/kubernetes-api/common-definitions/label-selector.md
index 0097baf971..7e2efc39fe 100644
--- a/content/zh-cn/docs/reference/kubernetes-api/common-definitions/label-selector.md
+++ b/content/zh-cn/docs/reference/kubernetes-api/common-definitions/label-selector.md
@@ -52,13 +52,10 @@ A label selector is a label query over a set of resources. The result of matchLa
  
     <!-- 
        - **matchExpressions.key** (string), required
-       *Patch strategy: merge on key `key`* 
        key is the label key that the selector applies to.
     -->
 
   - **matchExpressions.key** (string)， 必填
-
-    *补丁策略：按照键 `key` 合并*    
     
     `key` 是选择器应用的标签键。
   
diff --git a/content/zh-cn/docs/reference/kubernetes-api/service-resources/endpoints-v1.md b/content/zh-cn/docs/reference/kubernetes-api/service-resources/endpoints-v1.md
index 0befbb6e5b..720745631c 100644
--- a/content/zh-cn/docs/reference/kubernetes-api/service-resources/endpoints-v1.md
+++ b/content/zh-cn/docs/reference/kubernetes-api/service-resources/endpoints-v1.md
@@ -248,6 +248,8 @@ Endpoints 是实现实际服务的端点的集合。举例:
      
       * Kubernetes-defined prefixed names:
         * 'kubernetes.io/h2c' - HTTP/2 over cleartext as described in https://www.rfc-editor.org/rfc/rfc7540
+        * 'kubernetes.io/ws'  - WebSocket over cleartext as described in https://www.rfc-editor.org/rfc/rfc6455
+        * 'kubernetes.io/wss' - WebSocket over TLS as described in https://www.rfc-editor.org/rfc/rfc6455
      
       * Other protocols should use implementation-defined prefixed names such as mycompany.com/my-custom-protocol.
       -->
@@ -256,6 +258,8 @@ Endpoints 是实现实际服务的端点的集合。举例:
       
       * Kubernetes 定义的前缀名称
         * 'kubernetes.io/h2c' - HTTP/2 明文，如 https://www.rfc-editor.org/rfc/rfc7540 中所述
+        * 'kubernetes.io/ws'  - WebSocket 明文，如 https://www.rfc-editor.org/rfc/rfc6455 中所述
+        * 'kubernetes.io/wss' - WebSocket TLS 传输方式，如 https://www.rfc-editor.org/rfc/rfc6455 中所述
     
       * 其他协议应使用实现定义的前缀名称，如 mycompany.com/my-custom-protocol。