diff --git a/springboot-web-req-resp/pom.xml b/springboot-web-req-resp/pom.xml
index f2ae0ad..450bab3 100644
--- a/springboot-web-req-resp/pom.xml
+++ b/springboot-web-req-resp/pom.xml
@@ -47,6 +47,10 @@
             <artifactId>dom4j</artifactId>
             <version>2.1.3</version>
         </dependency>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-actuator</artifactId>
+        </dependency>
     </dependencies>
 
     <build>
diff --git a/springboot-web-req-resp/src/main/java/com/inmind/controller/EmpController.java b/springboot-web-req-resp/src/main/java/com/inmind/controller/EmpController.java
index 6cee1a7..7e73178 100644
--- a/springboot-web-req-resp/src/main/java/com/inmind/controller/EmpController.java
+++ b/springboot-web-req-resp/src/main/java/com/inmind/controller/EmpController.java
@@ -11,7 +11,7 @@ import org.springframework.web.bind.annotation.RestController;
 
 import java.util.List;
 
-@RestController
+@RestController//底层带有@Controller，本身是交给IOC容器管理
 public class EmpController {
     //设置一个员工业务对象
     @Autowired//运行时，IOC容器会提供该类型的bean对象，并赋值给该变量----依赖注入
diff --git a/springboot-web-req-resp/src/main/java/com/inmind/dao/impl/EmpDaoImplA.java b/springboot-web-req-resp/src/main/java/com/inmind/dao/impl/EmpDaoImplA.java
index f9d9f8e..6b54e7c 100644
--- a/springboot-web-req-resp/src/main/java/com/inmind/dao/impl/EmpDaoImplA.java
+++ b/springboot-web-req-resp/src/main/java/com/inmind/dao/impl/EmpDaoImplA.java
@@ -3,11 +3,11 @@ package com.inmind.dao.impl;
 import com.inmind.dao.EmpDao;
 import com.inmind.pojo.Emp;
 import com.inmind.utils.XmlParserUtils;
-import org.springframework.stereotype.Component;
+import org.springframework.stereotype.Repository;
 
 import java.util.List;
 
-@Component //将当前类交给IOC容器管理，让它称为IOC容器中的bean对象---IOC控制反转
+@Repository//将当前类交给IOC容器管理，让它称为IOC容器中的bean对象---IOC控制反转
 public class EmpDaoImplA implements EmpDao {
     @Override
     public List<Emp> listEmp() {
diff --git a/springboot-web-req-resp/src/main/java/com/inmind/service/impl/EmpServiceImplA.java b/springboot-web-req-resp/src/main/java/com/inmind/service/impl/EmpServiceImplA.java
index 053983a..2e14be2 100644
--- a/springboot-web-req-resp/src/main/java/com/inmind/service/impl/EmpServiceImplA.java
+++ b/springboot-web-req-resp/src/main/java/com/inmind/service/impl/EmpServiceImplA.java
@@ -1,11 +1,9 @@
 package com.inmind.service.impl;
 
 import com.inmind.dao.EmpDao;
-import com.inmind.dao.impl.EmpDaoImplA;
 import com.inmind.pojo.Emp;
 import com.inmind.service.EmpService;
 import org.springframework.beans.factory.annotation.Autowired;
-import org.springframework.stereotype.Component;
 
 import java.util.List;
 
diff --git a/springboot-web-req-resp/src/main/java/com/inmind/service/impl/EmpServiceImplB.java b/springboot-web-req-resp/src/main/java/com/inmind/service/impl/EmpServiceImplB.java
index 38e7bbc..3aeb153 100644
--- a/springboot-web-req-resp/src/main/java/com/inmind/service/impl/EmpServiceImplB.java
+++ b/springboot-web-req-resp/src/main/java/com/inmind/service/impl/EmpServiceImplB.java
@@ -4,11 +4,11 @@ import com.inmind.dao.EmpDao;
 import com.inmind.pojo.Emp;
 import com.inmind.service.EmpService;
 import org.springframework.beans.factory.annotation.Autowired;
-import org.springframework.stereotype.Component;
+import org.springframework.stereotype.Service;
 
 import java.util.List;
 
-@Component //将当前类交给IOC容器管理，让它称为IOC容器中的bean对象---IOC控制反转
+@Service //将当前类交给IOC容器管理，让它称为IOC容器中的bean对象---IOC控制反转
 public class EmpServiceImplB implements EmpService {
     //设置一个dao的成员变量
     @Autowired//运行时，IOC容器会提供该类型的bean对象，并赋值给该变量----依赖注入