diff --git a/docs/study/back/WSL.md b/docs/study/back/WSL.md
new file mode 100644
index 000000000..e52734056
--- /dev/null
+++ b/docs/study/back/WSL.md
@@ -0,0 +1,6 @@
+
+### 用本地的ssh命令连接WSL
+
+windows下面的cmd和ps太难用，需要用好用的ssh客户端连接wsl，根据晚上的配置，怎么都连不上，后来发现，
+
+ip改成localhost，立即就可以了，记录一下。
\ No newline at end of file
diff --git "a/docs/study/docker/Docker\347\232\204\344\275\277\347\224\250\346\200\273\347\273\223.md" "b/docs/study/docker/Docker\347\232\204\344\275\277\347\224\250\346\200\273\347\273\223.md"
index 8be2b5ae6..2432db5fc 100644
--- "a/docs/study/docker/Docker\347\232\204\344\275\277\347\224\250\346\200\273\347\273\223.md"
+++ "b/docs/study/docker/Docker\347\232\204\344\275\277\347\224\250\346\200\273\347\273\223.md"
@@ -109,6 +109,11 @@ docker run -tid \
 --privileged=true \
 --name test-ubuntu \
 ubuntu
+#
+docker run -tid \
+--privileged=true \
+--name test-nginx \
+nginx:stable-alpine3.17-slim
 ```
 
 ### 绑定随机端口
@@ -128,6 +133,14 @@ docker restart test-ubuntu
 docker port test-ubuntu
 ```
 
+### dcoker save/load 保存和加载镜像
+
+对镜像的保存和加载
+
+### docker export/import 导出和导入容器
+
+对容器的导出和导入
+
 ### 参考
 
 [参考 1](https://developer.aliyun.com/article/272173)
diff --git a/docs/study/encryption/PKI.md b/docs/study/encryption/PKI.md
index 038a3d772..3396193cc 100644
--- a/docs/study/encryption/PKI.md
+++ b/docs/study/encryption/PKI.md
@@ -2,4 +2,4 @@
 
 ### 参考
 
-- [密钥管理与PKI](https://zhuanlan.zhihu.com/p/615409220)
\ No newline at end of file
+- [密钥管理与PKI](https://zhuanlan.zhihu.com/p/615409220)