diff --git a/.idea/encodings.xml b/.idea/encodings.xml
new file mode 100644
index 0000000000000000000000000000000000000000..715c16ad8db2b7c6e864a1d40e6359dac8a7f365
--- /dev/null
+++ b/.idea/encodings.xml
@@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="Encoding">
+    <file url="file://$PROJECT_DIR$/ssh_demo/src/main/java" charset="UTF-8" />
+    <file url="file://$PROJECT_DIR$/ssm_demo/src/main/java" charset="UTF-8" />
+  </component>
+</project>
\ No newline at end of file
diff --git a/.idea/jarRepositories.xml b/.idea/jarRepositories.xml
index 2a89edae985dd65ca6a455509a5ac96378328ed3..d46a6c72eb9846ca04c9ed9f1e678945df1a2ba1 100644
--- a/.idea/jarRepositories.xml
+++ b/.idea/jarRepositories.xml
@@ -3,13 +3,18 @@
   <component name="RemoteRepositoriesConfiguration">
     <remote-repository>
       <option name="id" value="central" />
-      <option name="name" value="Maven Central repository" />
-      <option name="url" value="https://repo1.maven.org/maven2" />
+      <option name="name" value="Central Repository" />
+      <option name="url" value="http://maven.aliyun.com/nexus/content/groups/public/" />
     </remote-repository>
     <remote-repository>
       <option name="id" value="central" />
       <option name="name" value="Central Repository" />
-      <option name="url" value="http://maven.aliyun.com/nexus/content/groups/public/" />
+      <option name="url" value="https://repo.maven.apache.org/maven2" />
+    </remote-repository>
+    <remote-repository>
+      <option name="id" value="central" />
+      <option name="name" value="Maven Central repository" />
+      <option name="url" value="https://repo1.maven.org/maven2" />
     </remote-repository>
     <remote-repository>
       <option name="id" value="jboss.community" />
diff --git a/javaee19-1.iml b/javaee19-1.iml
deleted file mode 100644
index 78b2cc53b203f0b97534bb1184cdc7b474339fb4..0000000000000000000000000000000000000000
--- a/javaee19-1.iml
+++ /dev/null
@@ -1,2 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<module type="JAVA_MODULE" version="4" />
\ No newline at end of file
diff --git a/ssh_demo/src/main/java/j05/yangliu/controller/YLController.java b/ssh_demo/src/main/java/j05/yangliu/controller/YLController.java
new file mode 100644
index 0000000000000000000000000000000000000000..f4cc696b6a72c5b807f776c3f9dca72eea31a1b3
--- /dev/null
+++ b/ssh_demo/src/main/java/j05/yangliu/controller/YLController.java
@@ -0,0 +1,4 @@
+package j05.yangliu.controller;
+//1
+public class YLController {
+}
diff --git a/ssh_demo/src/main/java/j05/yangliu/service/YLService.java b/ssh_demo/src/main/java/j05/yangliu/service/YLService.java
new file mode 100644
index 0000000000000000000000000000000000000000..ef43ce0d87ab9eb70729e8f285e25a42cb2eebc6
--- /dev/null
+++ b/ssh_demo/src/main/java/j05/yangliu/service/YLService.java
@@ -0,0 +1,4 @@
+package j05.yangliu.service;
+//1
+public interface YLService {
+}
diff --git a/ssh_demo/src/main/webapp/j05/yangliu/yl.html b/ssh_demo/src/main/webapp/j05/yangliu/yl.html
new file mode 100644
index 0000000000000000000000000000000000000000..067ebf08c782a14a982be4495b6bcfec210fecce
--- /dev/null
+++ b/ssh_demo/src/main/webapp/j05/yangliu/yl.html
@@ -0,0 +1,10 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+    <meta charset="UTF-8">
+    <title>Title</title>
+</head>
+<body>
+hello .....
+</body>
+</html>
\ No newline at end of file
