diff --git a/Chapter1-2-1/pom.xml b/Chapter1-2-1/pom.xml
new file mode 100644
index 0000000..e4500f8
--- /dev/null
+++ b/Chapter1-2-1/pom.xml
@@ -0,0 +1,54 @@
+<?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>Chapter1-2-1</artifactId>
+    <version>1.0.0</version>
+    <packaging>jar</packaging>
+
+    <name>Chapter1-2-1</name>
+    <description>Spring Boot 2.0 features : Application Events and Listeners</description>
+
+    <parent>
+        <groupId>org.springframework.boot</groupId>
+        <artifactId>spring-boot-starter-parent</artifactId>
+        <version>2.0.0.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-web</artifactId>
+        </dependency>
+
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-test</artifactId>
+            <scope>test</scope>
+        </dependency>
+
+        <dependency>
+            <groupId>org.projectlombok</groupId>
+            <artifactId>lombok</artifactId>
+            <scope>provided</scope>
+        </dependency>
+    </dependencies>
+
+    <build>
+        <plugins>
+            <plugin>
+                <groupId>org.springframework.boot</groupId>
+                <artifactId>spring-boot-maven-plugin</artifactId>
+            </plugin>
+        </plugins>
+    </build>
+
+</project>
\ No newline at end of file
diff --git a/Chapter1-2-1/src/main/java/com/didispace/Application.java b/Chapter1-2-1/src/main/java/com/didispace/Application.java
new file mode 100755
index 0000000..bcfd43a
--- /dev/null
+++ b/Chapter1-2-1/src/main/java/com/didispace/Application.java
@@ -0,0 +1,31 @@
+package com.didispace;
+
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.boot.CommandLineRunner;
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+import org.springframework.context.annotation.Bean;
+
+@Slf4j
+@SpringBootApplication
+public class Application {
+
+    public static void main(String[] args) {
+        SpringApplication.run(Application.class, args);
+    }
+
+    @Bean
+    public DataLoader dataLoader() {
+        return new DataLoader();
+    }
+
+    @Slf4j
+    static class DataLoader implements CommandLineRunner {
+
+        @Override
+        public void run(String... strings) throws Exception {
+            log.info("Loading data...");
+        }
+    }
+
+}
diff --git a/Chapter1-2-1/src/main/java/com/didispace/ApplicationEnvironmentPreparedEventListener.java b/Chapter1-2-1/src/main/java/com/didispace/ApplicationEnvironmentPreparedEventListener.java
new file mode 100644
index 0000000..da2a47c
--- /dev/null
+++ b/Chapter1-2-1/src/main/java/com/didispace/ApplicationEnvironmentPreparedEventListener.java
@@ -0,0 +1,15 @@
+package com.didispace;
+
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.boot.context.event.ApplicationEnvironmentPreparedEvent;
+import org.springframework.context.ApplicationListener;
+
+@Slf4j
+public class ApplicationEnvironmentPreparedEventListener implements ApplicationListener<ApplicationEnvironmentPreparedEvent> {
+
+    @Override
+    public void onApplicationEvent(ApplicationEnvironmentPreparedEvent event) {
+        log.info("......ApplicationEnvironmentPreparedEvent......");
+    }
+
+}
diff --git a/Chapter1-2-1/src/main/java/com/didispace/ApplicationFailedEventListener.java b/Chapter1-2-1/src/main/java/com/didispace/ApplicationFailedEventListener.java
new file mode 100644
index 0000000..457ff47
--- /dev/null
+++ b/Chapter1-2-1/src/main/java/com/didispace/ApplicationFailedEventListener.java
@@ -0,0 +1,15 @@
+package com.didispace;
+
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.boot.context.event.ApplicationFailedEvent;
+import org.springframework.context.ApplicationListener;
+
+@Slf4j
+public class ApplicationFailedEventListener implements ApplicationListener<ApplicationFailedEvent> {
+
+    @Override
+    public void onApplicationEvent(ApplicationFailedEvent event) {
+        log.info("......ApplicationFailedEvent......");
+    }
+
+}
diff --git a/Chapter1-2-1/src/main/java/com/didispace/ApplicationPreparedEventListener.java b/Chapter1-2-1/src/main/java/com/didispace/ApplicationPreparedEventListener.java
new file mode 100644
index 0000000..5b52961
--- /dev/null
+++ b/Chapter1-2-1/src/main/java/com/didispace/ApplicationPreparedEventListener.java
@@ -0,0 +1,15 @@
+package com.didispace;
+
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.boot.context.event.ApplicationPreparedEvent;
+import org.springframework.context.ApplicationListener;
+
+@Slf4j
+public class ApplicationPreparedEventListener implements ApplicationListener<ApplicationPreparedEvent> {
+
+    @Override
+    public void onApplicationEvent(ApplicationPreparedEvent event) {
+        log.info("......ApplicationPreparedEvent......");
+    }
+
+}
diff --git a/Chapter1-2-1/src/main/java/com/didispace/ApplicationReadyEventListener.java b/Chapter1-2-1/src/main/java/com/didispace/ApplicationReadyEventListener.java
new file mode 100644
index 0000000..9193a75
--- /dev/null
+++ b/Chapter1-2-1/src/main/java/com/didispace/ApplicationReadyEventListener.java
@@ -0,0 +1,15 @@
+package com.didispace;
+
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.boot.context.event.ApplicationReadyEvent;
+import org.springframework.context.ApplicationListener;
+
+@Slf4j
+public class ApplicationReadyEventListener implements ApplicationListener<ApplicationReadyEvent> {
+
+    @Override
+    public void onApplicationEvent(ApplicationReadyEvent event) {
+        log.info("......ApplicationReadyEvent......");
+    }
+
+}
diff --git a/Chapter1-2-1/src/main/java/com/didispace/ApplicationStartedEventListener.java b/Chapter1-2-1/src/main/java/com/didispace/ApplicationStartedEventListener.java
new file mode 100644
index 0000000..3b47eba
--- /dev/null
+++ b/Chapter1-2-1/src/main/java/com/didispace/ApplicationStartedEventListener.java
@@ -0,0 +1,16 @@
+package com.didispace;
+
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.context.event.ApplicationStartedEvent;
+import org.springframework.context.ApplicationListener;
+
+@Slf4j
+public class ApplicationStartedEventListener implements ApplicationListener<ApplicationStartedEvent> {
+
+    @Override
+    public void onApplicationEvent(ApplicationStartedEvent event) {
+        log.info("......ApplicationStartedEvent......");
+    }
+
+}
diff --git a/Chapter1-2-1/src/main/java/com/didispace/ApplicationStartingEventListener.java b/Chapter1-2-1/src/main/java/com/didispace/ApplicationStartingEventListener.java
new file mode 100644
index 0000000..effcb14
--- /dev/null
+++ b/Chapter1-2-1/src/main/java/com/didispace/ApplicationStartingEventListener.java
@@ -0,0 +1,15 @@
+package com.didispace;
+
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.boot.context.event.ApplicationStartingEvent;
+import org.springframework.context.ApplicationListener;
+
+@Slf4j
+public class ApplicationStartingEventListener implements ApplicationListener<ApplicationStartingEvent> {
+
+    @Override
+    public void onApplicationEvent(ApplicationStartingEvent event) {
+        log.info("......ApplicationStartingEvent......");
+    }
+
+}
diff --git a/Chapter1-2-1/src/main/resources/META-INF/spring.factories b/Chapter1-2-1/src/main/resources/META-INF/spring.factories
new file mode 100644
index 0000000..15177da
--- /dev/null
+++ b/Chapter1-2-1/src/main/resources/META-INF/spring.factories
@@ -0,0 +1,6 @@
+org.springframework.context.ApplicationListener=com.didispace.ApplicationEnvironmentPreparedEventListener,\
+  com.didispace.ApplicationFailedEventListener,\
+  com.didispace.ApplicationPreparedEventListener,\
+  com.didispace.ApplicationReadyEventListener,\
+  com.didispace.ApplicationStartedEventListener,\
+  com.didispace.ApplicationStartingEventListener
\ No newline at end of file
diff --git a/Chapter1-2-1/src/main/resources/application.properties b/Chapter1-2-1/src/main/resources/application.properties
new file mode 100755
index 0000000..e69de29
diff --git a/README.md b/README.md
index 09a7ef9..653f86b 100644
--- a/README.md
+++ b/README.md
@@ -27,7 +27,8 @@
 
 **新特性详解**
 
-- [Spring Boot 2.0 新特性（一）：配置绑定 2.0 全解析](http://localhost:4000/Spring-Boot-2-0-feature-1-relaxed-binding-2/)
+- [Spring Boot 2.0 新特性（一）：配置绑定 2.0 全解析](http://blog.didispace.com/Spring-Boot-2-0-feature-1-relaxed-binding-2/)
+- [Spring Boot 2.0 新特性（二）：新增事件ApplicationStartedEvent](http://blog.didispace.com/Spring-Boot-2-0-feature-2-ApplicationStartedEvent/)
 
 ## Spring Boot 基础教程（基于1.3.x-1.5.x）