diff --git a/pom.xml b/pom.xml
index a794d14..d7abf84 100644
--- a/pom.xml
+++ b/pom.xml
@@ -23,6 +23,12 @@
 			<artifactId>spring-boot-starter-logging</artifactId>
 		</dependency>
 
+		<dependency>
+			<groupId>com.jayway.jsonpath</groupId>
+			<artifactId>json-path</artifactId>
+			<version>2.4.0</version>
+		</dependency>
+
 		<dependency>
 			<groupId>net.sourceforge.plantuml</groupId>
 			<artifactId>plantuml</artifactId>
@@ -49,12 +55,6 @@
 			<groupId>org.springframework.boot</groupId>
 			<artifactId>spring-boot-starter-test</artifactId>
 			<scope>test</scope>
-			<exclusions>
-				<exclusion>
-					<groupId>org.junit.vintage</groupId>
-					<artifactId>junit-vintage-engine</artifactId>
-				</exclusion>
-			</exclusions>
 		</dependency>
 
 
@@ -69,4 +69,6 @@
 		</plugins>
 	</build>
 
+
+
 </project>
\ No newline at end of file
diff --git a/src/main/java/com/yame/uml/Application.java b/src/main/java/com/yame/uml/Application.java
index 35b7385..3004a68 100644
--- a/src/main/java/com/yame/uml/Application.java
+++ b/src/main/java/com/yame/uml/Application.java
@@ -2,8 +2,12 @@ package com.yame.uml;
 
 import org.springframework.boot.SpringApplication;
 import org.springframework.boot.autoconfigure.SpringBootApplication;
+import org.springframework.context.annotation.ComponentScan;
+import org.springframework.context.annotation.Configuration;
 
 @SpringBootApplication
+@Configuration
+
 public class Application {
 
 	public static void main(String[] args) {
diff --git a/src/main/java/com/yame/uml/control/api.java b/src/main/java/com/yame/uml/control/API.java
similarity index 87%
rename from src/main/java/com/yame/uml/control/api.java
rename to src/main/java/com/yame/uml/control/API.java
index ca04103..5566bc4 100644
--- a/src/main/java/com/yame/uml/control/api.java
+++ b/src/main/java/com/yame/uml/control/API.java
@@ -19,12 +19,13 @@ import net.sourceforge.plantuml.FileFormat;
 import net.sourceforge.plantuml.FileFormatOption;
 import net.sourceforge.plantuml.SourceStringReader;
 import net.sourceforge.plantuml.core.Diagram;
+import net.sourceforge.plantuml.core.UmlSource;
 import net.sourceforge.plantuml.error.PSystemError;
 
 @RestController
 @RequestMapping("/api")
 @Slf4j
-public class api {
+public class API {
 
     static public String getUmlSource(String source) {
         // encapsulate the UML syntax if necessary
@@ -45,7 +46,7 @@ public class api {
     }
 
     @PostMapping("/v1/megreflow")
-    public Result megreSVG(@RequestParam("src") String src, @RequestParam("dst") String dst) throws IOException { 
+    public Result megreSVG(@RequestParam("src") String src, @RequestParam("dst") String dst) throws IOException {
         String source = getUmlSource(src);
         List<BlockUml> srcblocks = new SourceStringReader(source).getBlocks();
 
@@ -54,9 +55,14 @@ public class api {
 
         Result result = new Result();
 
-        if(srcblocks.size() != 0 && dstblocks.size() != 0) {
+        if (srcblocks.size() != 0 && dstblocks.size() != 0) {
+            BlockUml sblock = srcblocks.get(0);
+            BlockUml dblock = srcblocks.get(0);
+            Diagram d1 = sblock.getDiagram();
+            Diagram d2 = dblock.getDiagram();
 
-               
+            UmlSource s1 = d1.getSource();
+            UmlSource s2 = d2.getSource();
         }
         result.setType(ResultType.ErrorMegreUML2SVG);
         return result;
diff --git a/src/test/java/com/yame/control/TestAPI.java b/src/test/java/com/yame/control/TestAPI.java
index 9785fff..a375cd8 100644
--- a/src/test/java/com/yame/control/TestAPI.java
+++ b/src/test/java/com/yame/control/TestAPI.java
@@ -1,12 +1,63 @@
 package com.yame.control;
 
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.beans.factory.annotation.Configurable;
 import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.boot.test.web.client.TestRestTemplate;
+import org.springframework.boot.web.server.LocalServerPort;
+import org.springframework.test.context.ContextConfiguration;
+import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
+import org.springframework.util.LinkedMultiValueMap;
+import org.springframework.util.MultiValueMap;
+
+import static org.junit.Assert.*;
+
+import java.util.HashMap;
+
+import com.fasterxml.jackson.core.JsonEncoding;
+import com.jayway.jsonpath.DocumentContext;
+import com.jayway.jsonpath.JsonPath;
+import com.jayway.jsonpath.ReadContext;
+import com.yame.uml.Application;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
+import lombok.extern.slf4j.Slf4j;
 
 /**
  * TestAPI
  */
-@SpringBootTest
+
+
+@RunWith(SpringJUnit4ClassRunner.class)
+@SpringBootTest(classes = Application.class, webEnvironment = SpringBootTest.WebEnvironment.RANDOM_PORT)
+@Slf4j
 public class TestAPI {
 
+    @LocalServerPort
+    String port;
+
+    @Autowired
+    TestRestTemplate rest;
+
+    String domain;
+
+    @Before
+    public void init() {
+        domain = "http://localhost:" + port;
+    }
     
+    @Test
+    public void uml2SVG() {
+ 
+        MultiValueMap<String, String> map = new LinkedMultiValueMap<>();
+        map.add("data", "123");
+        String resp = rest.postForObject(domain + "/api/v1/uml2svg", map, String.class);
+        ReadContext cxt = JsonPath.parse(resp);
+        assertEquals(cxt.read("$.type").toString(), "{desc=Error Source2SVG, code=-102, success=false}");
+
+        log.info(resp.toString());
+    }
 }
\ No newline at end of file