diff --git a/spring-boot-demo-helloworld/.gitignore b/spring-boot-demo-helloworld/.gitignore
new file mode 100644
index 0000000..82eca33
--- /dev/null
+++ b/spring-boot-demo-helloworld/.gitignore
@@ -0,0 +1,25 @@
+/target/
+!.mvn/wrapper/maven-wrapper.jar
+
+### STS ###
+.apt_generated
+.classpath
+.factorypath
+.project
+.settings
+.springBeans
+.sts4-cache
+
+### IntelliJ IDEA ###
+.idea
+*.iws
+*.iml
+*.ipr
+
+### NetBeans ###
+/nbproject/private/
+/build/
+/nbbuild/
+/dist/
+/nbdist/
+/.nb-gradle/
\ No newline at end of file
diff --git a/spring-boot-demo-helloworld/pom.xml b/spring-boot-demo-helloworld/pom.xml
new file mode 100644
index 0000000..4fb21bd
--- /dev/null
+++ b/spring-boot-demo-helloworld/pom.xml
@@ -0,0 +1,56 @@
+<?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.xkcoding</groupId>
+	<artifactId>spring-boot-demo-helloworld</artifactId>
+	<version>0.0.1-SNAPSHOT</version>
+	<packaging>jar</packaging>
+
+	<name>spring-boot-demo-helloworld</name>
+	<description>Demo project for Spring Boot</description>
+
+	<parent>
+		<groupId>org.springframework.boot</groupId>
+		<artifactId>spring-boot-starter-parent</artifactId>
+		<version>2.0.5.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>1.8</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>
+
+		<dependency>
+			<groupId>cn.hutool</groupId>
+			<artifactId>hutool-all</artifactId>
+			<version>4.1.14</version>
+		</dependency>
+	</dependencies>
+
+	<build>
+		<finalName>spring-boot-demo-helloworld</finalName>
+		<plugins>
+			<plugin>
+				<groupId>org.springframework.boot</groupId>
+				<artifactId>spring-boot-maven-plugin</artifactId>
+			</plugin>
+		</plugins>
+	</build>
+
+</project>
diff --git a/spring-boot-demo-helloworld/src/main/java/com/xkcoding/helloworld/SpringBootDemoHelloworldApplication.java b/spring-boot-demo-helloworld/src/main/java/com/xkcoding/helloworld/SpringBootDemoHelloworldApplication.java
new file mode 100644
index 0000000..b71825c
--- /dev/null
+++ b/spring-boot-demo-helloworld/src/main/java/com/xkcoding/helloworld/SpringBootDemoHelloworldApplication.java
@@ -0,0 +1,44 @@
+package com.xkcoding.helloworld;
+
+import cn.hutool.core.util.StrUtil;
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.RequestParam;
+import org.springframework.web.bind.annotation.RestController;
+
+/**
+ * <p>
+ * SpringBoot启动类
+ * </p>
+ *
+ * @package: com.xkcoding.helloworld
+ * @description: SpringBoot启动类
+ * @author: yangkai.shen
+ * @date: Created in 2018/9/28 2:49 PM
+ * @copyright: Copyright (c)
+ * @version: V1.0
+ * @modified: yangkai.shen
+ */
+@SpringBootApplication
+@RestController
+public class SpringBootDemoHelloworldApplication {
+
+	public static void main(String[] args) {
+		SpringApplication.run(SpringBootDemoHelloworldApplication.class, args);
+	}
+
+	/**
+	 * Hello，World
+	 *
+	 * @param who 参数，非必须
+	 * @return Hello, ${who}
+	 */
+	@GetMapping("/hello")
+	public String sayHello(@RequestParam(required = false, name = "who") String who) {
+		if (StrUtil.isBlank(who)) {
+			who = "World";
+		}
+		return StrUtil.format("Hello, {}!", who);
+	}
+}
diff --git a/spring-boot-demo-helloworld/src/main/resources/application.yml b/spring-boot-demo-helloworld/src/main/resources/application.yml
new file mode 100644
index 0000000..a02fbde
--- /dev/null
+++ b/spring-boot-demo-helloworld/src/main/resources/application.yml
@@ -0,0 +1,4 @@
+server:
+  port: 8080
+  servlet:
+    context-path: /demo
\ No newline at end of file
diff --git a/spring-boot-demo-helloworld/src/test/java/com/xkcoding/helloworld/SpringBootDemoHelloworldApplicationTests.java b/spring-boot-demo-helloworld/src/test/java/com/xkcoding/helloworld/SpringBootDemoHelloworldApplicationTests.java
new file mode 100644
index 0000000..d4afb69
--- /dev/null
+++ b/spring-boot-demo-helloworld/src/test/java/com/xkcoding/helloworld/SpringBootDemoHelloworldApplicationTests.java
@@ -0,0 +1,16 @@
+package com.xkcoding.helloworld;
+
+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 SpringBootDemoHelloworldApplicationTests {
+
+	@Test
+	public void contextLoads() {
+	}
+
+}