diff --git a/pom.xml b/pom.xml
index 9c9f69d..5812d8a 100644
--- a/pom.xml
+++ b/pom.xml
@@ -12,8 +12,8 @@
 
     <properties>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-        <maven.compiler.source>1.7</maven.compiler.source>
-        <maven.compiler.target>1.7</maven.compiler.target>
+        <maven.compiler.source>1.8</maven.compiler.source>
+        <maven.compiler.target>1.8</maven.compiler.target>
         <org.springframework.version>5.1.0.RELEASE</org.springframework.version>
     </properties>
 
@@ -81,6 +81,12 @@
             <version>${org.springframework.version}</version>
         </dependency>
 
+        <dependency>
+            <groupId>org.springframework.data</groupId>
+            <artifactId>spring-data-jpa</artifactId>
+            <version>2.0.10.RELEASE</version>
+        </dependency>
+
         <dependency>
             <groupId>org.springframework</groupId>
             <artifactId>spring-context-support</artifactId>
diff --git a/src/main/java/top/fjy8018/designpattern/pattern/structural/adapter/classadapter/Adapter.java b/src/main/java/top/fjy8018/designpattern/pattern/structural/adapter/classadapter/Adapter.java
index 9ce8c99..d9d26fc 100644
--- a/src/main/java/top/fjy8018/designpattern/pattern/structural/adapter/classadapter/Adapter.java
+++ b/src/main/java/top/fjy8018/designpattern/pattern/structural/adapter/classadapter/Adapter.java
@@ -3,6 +3,11 @@ package top.fjy8018.designpattern.pattern.structural.adapter.classadapter;
 /**
  * 适配器模式：将一个类的接口转换成客户希望的另一个接口。适配器模式让那些接口不兼容的类可以一起工作
  *
+ * JDK源码：{@link javax.xml.bind.annotation.adapters.XMLAdapter}
+ * spring源码：{@link jdk.internal.org.objectweb.asm.commons.AdviceAdapter}
+ *  {@link org.springframework.web.servlet.HandlerAdapter}
+ * JPA源码：{@link org.springframework.orm.jpa.JpaVendorAdapter}
+ *
  * @author F嘉阳
  * @date 2018-10-09 16:07
  */