diff --git a/Start-Spring-Boot/pom.xml b/Start-Spring-Boot/pom.xml
deleted file mode 100644
index e9fe5c9..0000000
--- a/Start-Spring-Boot/pom.xml
+++ /dev/null
@@ -1,58 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
-	<modelVersion>4.0.0</modelVersion>
-
-	<groupId>com.springboot</groupId>
-	<artifactId>Start-Spring-Boot</artifactId>
-	<version>0.0.1-SNAPSHOT</version>
-	<packaging>jar</packaging>
-
-	<name>Start-Spring-Boot</name>
-	<description>Demo project for Spring Boot</description>
-
-	<parent>
-		<groupId>org.springframework.boot</groupId>
-		<artifactId>spring-boot-starter-parent</artifactId>
-		<version>1.5.9.RELEASE</version>
-		<relativePath/> <!-- lookup parent from repository -->
-	</parent>
-
-	<properties>
-		<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-		<project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
-		<java.version>1.7</java.version>
-	</properties>
-
-	<dependencies>
-		<dependency>
-			<groupId>org.springframework.boot</groupId>
-			<artifactId>spring-boot-starter-web</artifactId>
-		</dependency>
-
-		<dependency>
-			<groupId>org.springframework.boot</groupId>
-			<artifactId>spring-boot-starter-test</artifactId>
-			<scope>test</scope>
-		</dependency>
-	</dependencies>
-
-	<repositories>
-		<repository>
-			<id>nexus-aliyun</id>
-			<name>Nexus aliyun</name>
-			<url>http://maven.aliyun.com/nexus/content/groups/public</url>
-		</repository>
-	</repositories>
-
-	<build>
-		<plugins>
-			<plugin>
-				<groupId>org.springframework.boot</groupId>
-				<artifactId>spring-boot-maven-plugin</artifactId>
-			</plugin>
-		</plugins>
-	</build>
-
-
-</project>
diff --git a/Start-Spring-Boot/src/main/java/com/springboot/demo/DemoApplication.java b/Start-Spring-Boot/src/main/java/com/springboot/demo/DemoApplication.java
deleted file mode 100644
index e584ba8..0000000
--- a/Start-Spring-Boot/src/main/java/com/springboot/demo/DemoApplication.java
+++ /dev/null
@@ -1,20 +0,0 @@
-package com.springboot.demo;
-
-import org.springframework.boot.SpringApplication;
-import org.springframework.boot.autoconfigure.SpringBootApplication;
-import org.springframework.web.bind.annotation.RequestMapping;
-import org.springframework.web.bind.annotation.RestController;
-
-@RestController
-@SpringBootApplication
-public class DemoApplication {
-
-	@RequestMapping("/")
-	String index() {
-		return "hello spring boot";
-	}
-
-	public static void main(String[] args) {
-		SpringApplication.run(DemoApplication.class, args);
-	}
-}
diff --git a/Start-Spring-Boot/src/main/resources/application.properties b/Start-Spring-Boot/src/main/resources/application.properties
deleted file mode 100644
index e69de29..0000000
diff --git a/Start-Spring-Boot/src/test/java/com/springboot/demo/DemoApplicationTests.java b/Start-Spring-Boot/src/test/java/com/springboot/demo/DemoApplicationTests.java
deleted file mode 100644
index 228ddb8..0000000
--- a/Start-Spring-Boot/src/test/java/com/springboot/demo/DemoApplicationTests.java
+++ /dev/null
@@ -1,16 +0,0 @@
-package com.springboot.demo;
-
-import org.junit.Test;
-import org.junit.runner.RunWith;
-import org.springframework.boot.test.context.SpringBootTest;
-import org.springframework.test.context.junit4.SpringRunner;
-
-@RunWith(SpringRunner.class)
-@SpringBootTest
-public class DemoApplicationTests {
-
-	@Test
-	public void contextLoads() {
-	}
-
-}