diff --git a/Chapter3-1-7/pom.xml b/Chapter3-1-7/pom.xml
new file mode 100644
index 0000000..660637b
--- /dev/null
+++ b/Chapter3-1-7/pom.xml
@@ -0,0 +1,63 @@
+<?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.didispace</groupId>
+	<artifactId>Chapter3-1-7</artifactId>
+	<version>1.0.0</version>
+	<packaging>jar</packaging>
+
+	<name>Chapter3-1-7</name>
+	<description>Spring Boot</description>
+
+	<parent>
+		<groupId>org.springframework.boot</groupId>
+		<artifactId>spring-boot-starter-parent</artifactId>
+		<version>1.5.10.RELEASE</version>
+		<relativePath/> <!-- lookup parent from repository -->
+	</parent>
+
+	<properties>
+		<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+		<java.version>1.8</java.version>
+	</properties>
+
+	<dependencies>
+		<dependency>
+			<groupId>org.springframework.boot</groupId>
+			<artifactId>spring-boot-starter-test</artifactId>
+			<scope>test</scope>
+		</dependency>
+
+		<dependency>
+			<groupId>org.springframework.boot</groupId>
+			<artifactId>spring-boot-starter-web</artifactId>
+		</dependency>
+
+		<dependency>
+			<groupId>com.fasterxml.jackson.datatype</groupId>
+			<artifactId>jackson-datatype-jsr310</artifactId>
+		</dependency>
+
+		<dependency>
+			<groupId>org.projectlombok</groupId>
+			<artifactId>lombok</artifactId>
+			<version>1.16.20</version>
+		</dependency>
+
+	</dependencies>
+	
+	<build>
+		<plugins>
+			<plugin>
+				<groupId>org.springframework.boot</groupId>
+				<artifactId>spring-boot-maven-plugin</artifactId>
+				<configuration>
+					<fork>true</fork>
+				</configuration>
+			</plugin>
+		</plugins>
+	</build>
+
+</project>
\ No newline at end of file
diff --git a/Chapter3-1-7/src/main/java/com/didispace/Application.java b/Chapter3-1-7/src/main/java/com/didispace/Application.java
new file mode 100755
index 0000000..b14e00c
--- /dev/null
+++ b/Chapter3-1-7/src/main/java/com/didispace/Application.java
@@ -0,0 +1,44 @@
+package com.didispace;
+
+import com.didispace.dto.UserDto;
+import com.fasterxml.jackson.databind.ObjectMapper;
+import com.fasterxml.jackson.databind.SerializationFeature;
+import com.fasterxml.jackson.datatype.jsr310.JavaTimeModule;
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+import org.springframework.context.annotation.Bean;
+import org.springframework.web.bind.annotation.PostMapping;
+import org.springframework.web.bind.annotation.RequestBody;
+import org.springframework.web.bind.annotation.RestController;
+
+/**
+ * @author 程序猿DD
+ * @version 1.0.0
+ * @blog http://blog.didispace.com
+ */
+@SpringBootApplication
+public class Application {
+
+    public static void main(String[] args) {
+        SpringApplication.run(Application.class, args);
+    }
+
+    @RestController
+    class HelloController {
+
+        @PostMapping("/user")
+        public UserDto user(@RequestBody UserDto userDto) throws Exception {
+            return userDto;
+        }
+
+    }
+
+    @Bean
+    public ObjectMapper serializingObjectMapper() {
+        ObjectMapper objectMapper = new ObjectMapper();
+        objectMapper.disable(SerializationFeature.WRITE_DATES_AS_TIMESTAMPS);
+        objectMapper.registerModule(new JavaTimeModule());
+        return objectMapper;
+    }
+
+}
diff --git a/Chapter3-1-7/src/main/java/com/didispace/dto/UserDto.java b/Chapter3-1-7/src/main/java/com/didispace/dto/UserDto.java
new file mode 100644
index 0000000..55b68af
--- /dev/null
+++ b/Chapter3-1-7/src/main/java/com/didispace/dto/UserDto.java
@@ -0,0 +1,17 @@
+package com.didispace.dto;
+
+import lombok.AllArgsConstructor;
+import lombok.Data;
+import lombok.NoArgsConstructor;
+
+import java.time.LocalDate;
+
+@NoArgsConstructor
+@AllArgsConstructor
+@Data
+public class UserDto {
+
+    private String userName;
+    private LocalDate birthday;
+
+}
\ No newline at end of file
diff --git a/Chapter3-1-7/src/main/resources/application.properties b/Chapter3-1-7/src/main/resources/application.properties
new file mode 100755
index 0000000..e69de29