diff --git "a/kubernetes/kubectl \345\270\270\347\224\250\345\221\275\344\273\244.md" "b/kubernetes/kubectl \345\270\270\347\224\250\345\221\275\344\273\244.md"
index 69dfde98..9779db54 100644
--- "a/kubernetes/kubectl \345\270\270\347\224\250\345\221\275\344\273\244.md"	
+++ "b/kubernetes/kubectl \345\270\270\347\224\250\345\221\275\344\273\244.md"	
@@ -14,6 +14,8 @@ kubectl get nodes --label-columns "node.kubernetes.io/instance-type" --no-header
 
 kubectl get nodes --label-columns "topology.kubernetes.io/zone,node.kubernetes.io/instance-type" --no-headers | awk '{print $6,$7}' | sort | uniq -c | sort -nr
 
+# 查询所有异常的事件
+kubectl events --types=Warning
 ```
 
 ```shell
diff --git a/kubernetes/service_mesh/istio/CHANGELOG.md b/kubernetes/service_mesh/istio/CHANGELOG.md
index 4148b420..93c796de 100644
--- a/kubernetes/service_mesh/istio/CHANGELOG.md
+++ b/kubernetes/service_mesh/istio/CHANGELOG.md
@@ -80,3 +80,6 @@
   - **Gateway API 对 service mesh 的支持进入 stable，也就是说可以考虑从 virtualservice/DestinationRule
     这一套 API 彻底迁移到 Gateway API 了**
   - **Delta xDS 成为默认方式，这极大地提高了控制面与 sidecar proxy 的性能**
+- **[istio 1.23](https://istio.io/latest/news/releases/1.23.x/announcing-1.23/)** - 2024-08-14
+  - 对 Ambient Mesh 做了大量改进
+
diff --git a/kubernetes/service_mesh/istio/ambient-mode/README.md b/kubernetes/service_mesh/istio/ambient-mode/README.md
new file mode 100644
index 00000000..74391f30
--- /dev/null
+++ b/kubernetes/service_mesh/istio/ambient-mode/README.md
@@ -0,0 +1,5 @@
+# Istio Ambient Mode
+
+目前测试进展：
+
+1.