diff --git a/untitled/.gitignore b/untitled/.gitignore
new file mode 100644
index 0000000..f68d109
--- /dev/null
+++ b/untitled/.gitignore
@@ -0,0 +1,29 @@
+### IntelliJ IDEA ###
+out/
+!**/src/main/**/out/
+!**/src/test/**/out/
+
+### Eclipse ###
+.apt_generated
+.classpath
+.factorypath
+.project
+.settings
+.springBeans
+.sts4-cache
+bin/
+!**/src/main/**/bin/
+!**/src/test/**/bin/
+
+### NetBeans ###
+/nbproject/private/
+/nbbuild/
+/dist/
+/nbdist/
+/.nb-gradle/
+
+### VS Code ###
+.vscode/
+
+### Mac OS ###
+.DS_Store
\ No newline at end of file
diff --git a/untitled/.idea/.gitignore b/untitled/.idea/.gitignore
new file mode 100644
index 0000000..35410ca
--- /dev/null
+++ b/untitled/.idea/.gitignore
@@ -0,0 +1,8 @@
+# 默认忽略的文件
+/shelf/
+/workspace.xml
+# 基于编辑器的 HTTP 客户端请求
+/httpRequests/
+# Datasource local storage ignored files
+/dataSources/
+/dataSources.local.xml
diff --git a/untitled/.idea/artifacts/untitled_war_exploded.xml b/untitled/.idea/artifacts/untitled_war_exploded.xml
new file mode 100644
index 0000000..bc06e80
--- /dev/null
+++ b/untitled/.idea/artifacts/untitled_war_exploded.xml
@@ -0,0 +1,13 @@
+<component name="ArtifactManager">
+  <artifact type="exploded-war" name="untitled:war exploded">
+    <output-path>$PROJECT_DIR$/out/artifacts/untitled_war_exploded</output-path>
+    <root id="root">
+      <element id="javaee-facet-resources" facet="untitled/web/Web" />
+      <element id="directory" name="WEB-INF">
+        <element id="directory" name="classes">
+          <element id="module-output" name="untitled" />
+        </element>
+      </element>
+    </root>
+  </artifact>
+</component>
\ No newline at end of file
diff --git a/untitled/.idea/misc.xml b/untitled/.idea/misc.xml
new file mode 100644
index 0000000..e1f830b
--- /dev/null
+++ b/untitled/.idea/misc.xml
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ProjectRootManager" version="2" languageLevel="JDK_1_8" default="true" project-jdk-name="1.8 (2)" project-jdk-type="JavaSDK">
+    <output url="file://$PROJECT_DIR$/out" />
+  </component>
+</project>
\ No newline at end of file
diff --git a/untitled/.idea/modules.xml b/untitled/.idea/modules.xml
new file mode 100644
index 0000000..3007dae
--- /dev/null
+++ b/untitled/.idea/modules.xml
@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ProjectModuleManager">
+    <modules>
+      <module fileurl="file://$PROJECT_DIR$/untitled.iml" filepath="$PROJECT_DIR$/untitled.iml" />
+    </modules>
+  </component>
+</project>
\ No newline at end of file
diff --git a/untitled/.idea/webContexts.xml b/untitled/.idea/webContexts.xml
new file mode 100644
index 0000000..58c8f10
--- /dev/null
+++ b/untitled/.idea/webContexts.xml
@@ -0,0 +1,10 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="WebContextManager">
+    <option name="state">
+      <map>
+        <entry key="file://$PROJECT_DIR$/web/500.jsp" value="file://$PROJECT_DIR$/web" />
+      </map>
+    </option>
+  </component>
+</project>
\ No newline at end of file
diff --git a/untitled/src/Main.java b/untitled/src/Main.java
new file mode 100644
index 0000000..fe7aa2b
--- /dev/null
+++ b/untitled/src/Main.java
@@ -0,0 +1,15 @@
+//TIP 要<b>运行</b>代码，请按 <shortcut actionId="Run"/> 或
+// 点击装订区域中的 <icon src="AllIcons.Actions.Execute"/> 图标。
+public class Main {
+    public static void main(String[] args) {
+        //TIP 当文本光标位于高亮显示的文本处时按 <shortcut actionId="ShowIntentionActions"/>
+        // 查看 IntelliJ IDEA 建议如何修正。
+        System.out.printf("Hello and welcome!");
+
+        for (int i = 1; i <= 5; i++) {
+            //TIP 按 <shortcut actionId="Debug"/> 开始调试代码。我们已经设置了一个 <icon src="AllIcons.Debugger.Db_set_breakpoint"/> 断点
+            // 但您始终可以通过按 <shortcut actionId="ToggleLineBreakpoint"/> 添加更多断点。
+            System.out.println("i = " + i);
+        }
+    }
+}
\ No newline at end of file
diff --git a/untitled/untitled.iml b/untitled/untitled.iml
new file mode 100644
index 0000000..abfa2d4
--- /dev/null
+++ b/untitled/untitled.iml
@@ -0,0 +1,23 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<module type="JAVA_MODULE" version="4">
+  <component name="FacetManager">
+    <facet type="web" name="Web">
+      <configuration>
+        <descriptors>
+          <deploymentDescriptor name="web.xml" url="file://$MODULE_DIR$/web/WEB-INF/web.xml" />
+        </descriptors>
+        <webroots>
+          <root url="file://$MODULE_DIR$/web" relative="/" />
+        </webroots>
+      </configuration>
+    </facet>
+  </component>
+  <component name="NewModuleRootManager" inherit-compiler-output="true">
+    <exclude-output />
+    <content url="file://$MODULE_DIR$">
+      <sourceFolder url="file://$MODULE_DIR$/src" isTestSource="false" />
+    </content>
+    <orderEntry type="inheritedJdk" />
+    <orderEntry type="sourceFolder" forTests="false" />
+  </component>
+</module>
\ No newline at end of file
diff --git a/untitled/web/404.jsp b/untitled/web/404.jsp
new file mode 100644
index 0000000..ccc4a93
--- /dev/null
+++ b/untitled/web/404.jsp
@@ -0,0 +1,18 @@
+<%--
+  Created by IntelliJ IDEA.
+  User: 12762
+  Date: 2025/4/22
+  Time: 下午2:30
+  To change this template use File | Settings | File Templates.
+--%>
+<%@ page contentType="text/html;charset=UTF-8" language="java" %>
+<!DOCTYPE html>
+<html>
+<head>
+    <title>404 - 页面未找到</title>
+</head>
+<body>
+<h1>404 错误</h1>
+<p>抱歉，您访问的页面不存在。</p >
+</body>
+</html>
\ No newline at end of file
diff --git a/untitled/web/500.jsp b/untitled/web/500.jsp
new file mode 100644
index 0000000..1e19d69
--- /dev/null
+++ b/untitled/web/500.jsp
@@ -0,0 +1,18 @@
+<%--
+  Created by IntelliJ IDEA.
+  User: 12762
+  Date: 2025/4/22
+  Time: 下午2:34
+  To change this template use File | Settings | File Templates.
+--%>
+<%@ page contentType="text/html;charset=UTF-8" language="java" %>
+<!DOCTYPE html>
+<html>
+<head>
+    <title>500 - 页面未找到</title>
+</head>
+<body>
+<h1>500 错误</h1>
+<p>抱歉，您访问的页面不存在。</p >
+</body>
+</html>
\ No newline at end of file
diff --git a/untitled/web/WEB-INF/web.xml b/untitled/web/WEB-INF/web.xml
new file mode 100644
index 0000000..58f9322
--- /dev/null
+++ b/untitled/web/WEB-INF/web.xml
@@ -0,0 +1,11 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<web-app xmlns="http://java.sun.com/xml/ns/javaee" version="3.0">
+    <error-page>
+        <error-code>404</error-code>
+        <location>/404.jsp</location>
+    </error-page>
+    <error-page>
+        <error-code>500</error-code>
+        <location>/500.jsp</location>
+    </error-page>
+</web-app>
\ No newline at end of file
diff --git a/untitled/web/a.jsp b/untitled/web/a.jsp
new file mode 100644
index 0000000..668754c
--- /dev/null
+++ b/untitled/web/a.jsp
@@ -0,0 +1,18 @@
+<%--
+  Created by IntelliJ IDEA.
+  User: 12762
+  Date: 2025/4/22
+  Time: 下午2:17
+  To change this template use File | Settings | File Templates.
+--%>
+<%@ page language="java" contentType="text/html; charset=UTF-8" pageEncoding="UTF-8"%>
+<!DOCTYPE html>
+<html>
+<head>
+    <meta charset="UTF-8">
+    <title>Page A</title>
+</head>
+<body>
+<h1>这是 A 页面的内容</h1>
+</body>
+</html>
\ No newline at end of file
diff --git a/untitled/web/b.jsp b/untitled/web/b.jsp
new file mode 100644
index 0000000..a649da7
--- /dev/null
+++ b/untitled/web/b.jsp
@@ -0,0 +1,28 @@
+<%--
+  Created by IntelliJ IDEA.
+  User: 12762
+  Date: 2025/4/22
+  Time: 下午2:14
+  To change this template use File | Settings | File Templates.
+--%>
+<%@ page language="java" contentType="text/html; charset=UTF-8" pageEncoding="UTF-8"%>
+<!DOCTYPE html>
+<html>
+<head>
+    <meta charset="UTF-8">
+    <title>Page B</title>
+    <script>
+        function includePage() {
+            setTimeout(function() {
+                document.getElementById('includedContent').style.display = 'block';
+            }, 5000);
+        }
+    </script>
+</head>
+<body onload="includePage()">
+<h1>这是 B 页面的内容</h1>
+<div id="includedContent" style="display: none;">
+    <jsp:include page="a.jsp" />
+</div>
+</body>
+</html>
\ No newline at end of file
diff --git a/untitled/web/index.jsp b/untitled/web/index.jsp
new file mode 100644
index 0000000..ca6655d
--- /dev/null
+++ b/untitled/web/index.jsp
@@ -0,0 +1,16 @@
+<%--
+  Created by IntelliJ IDEA.
+  User: 12762
+  Date: 2025/4/22
+  Time: 下午2:10
+  To change this template use File | Settings | File Templates.
+--%>
+<%@ page contentType="text/html;charset=UTF-8" language="java" %>
+<html>
+  <head>
+    <title>$Title$</title>
+  </head>
+  <body>
+  $END$
+  </body>
+</html>