diff --git a/Chapter9-2-1/consumer/pom.xml b/Chapter9-2-1/consumer/pom.xml
index 3d6fea0..7b35a9d 100644
--- a/Chapter9-2-1/consumer/pom.xml
+++ b/Chapter9-2-1/consumer/pom.xml
@@ -29,11 +29,6 @@
 			<artifactId>spring-boot-starter</artifactId>
 		</dependency>
 
-		<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>
diff --git a/Chapter9-2-1/consumer/src/main/java/com/didispace/web/ComputeController.java b/Chapter9-2-1/consumer/src/main/java/com/didispace/web/ComputeController.java
deleted file mode 100644
index 3d8f5ca..0000000
--- a/Chapter9-2-1/consumer/src/main/java/com/didispace/web/ComputeController.java
+++ /dev/null
@@ -1,24 +0,0 @@
-package com.didispace.web;
-
-import com.didispace.service.ComputeService;
-import org.springframework.beans.factory.annotation.Autowired;
-import org.springframework.web.bind.annotation.RequestMapping;
-import org.springframework.web.bind.annotation.RequestMethod;
-import org.springframework.web.bind.annotation.RequestParam;
-import org.springframework.web.bind.annotation.RestController;
-
-/**
- * Created by zhaiyc on 2016/7/14.
- */
-@RestController
-public class ComputeController {
-
-    @Autowired
-    private ComputeService computeService;
-
-    @RequestMapping(value = "/add", method = RequestMethod.GET)
-    public String add(@RequestParam Integer a, @RequestParam Integer b) {
-        return String.valueOf(a + b);
-    }
-
-}
diff --git a/Chapter9-2-1/consumer/src/test/java/com/didispace/ApplicationTests.java b/Chapter9-2-1/consumer/src/test/java/com/didispace/ApplicationTests.java
index 244658f..7b9c59e 100644
--- a/Chapter9-2-1/consumer/src/test/java/com/didispace/ApplicationTests.java
+++ b/Chapter9-2-1/consumer/src/test/java/com/didispace/ApplicationTests.java
@@ -1,24 +1,24 @@
 package com.didispace;
 
-import org.junit.Before;
+import com.didispace.service.ComputeService;
+import org.junit.Assert;
 import org.junit.Test;
 import org.junit.runner.RunWith;
+import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.boot.test.SpringApplicationConfiguration;
 import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
-import org.springframework.test.context.web.WebAppConfiguration;
 
 
 @RunWith(SpringJUnit4ClassRunner.class)
 @SpringApplicationConfiguration(classes = Application.class)
-@WebAppConfiguration
 public class ApplicationTests {
 
-	@Before
-	public void setUp() throws Exception {
-	}
+	@Autowired
+	ComputeService computeService;
 
 	@Test
-	public void getHello() throws Exception {
+	public void testAdd() throws Exception {
+		Assert.assertEquals("compute-service:add", new Integer(3), computeService.add(1, 2));
 	}
 
 }