diff --git a/SUMMARY.md b/SUMMARY.md
index 1befbb2..0eaf881 100644
--- a/SUMMARY.md
+++ b/SUMMARY.md
@@ -45,7 +45,7 @@
 - [几个具备云边协同的边缘框架](k8s&container/edge.pdf)
 - [k8s job 入门](k8s&container/k8s-job-start.pdf)
 - [k8s kubeconfig 使用](k8s&container/k8s-kubeconfig.pdf)
-
+- [[20210831] K8s：初见](k8s&container/[20210831]%20K8s：初见.pdf)
 
 
 ## k8s-ecosystem