diff --git a/src/main/java/com/loafle/bridge/discoveryport/DiscoveryPort.java b/src/main/java/com/loafle/bridge/discoveryport/DiscoveryPort.java
index 02e9a53..79d6ba3 100644
--- a/src/main/java/com/loafle/bridge/discoveryport/DiscoveryPort.java
+++ b/src/main/java/com/loafle/bridge/discoveryport/DiscoveryPort.java
@@ -32,7 +32,7 @@ public class DiscoveryPort {
     @Column(nullable = false)
     private int portNumber;
 
-    @OneToMany(mappedBy = "port")
+    @OneToMany(mappedBy = "port",cascade = CascadeType.ALL)
     private List<ServiceScanHistory> histories;
 
     @OneToMany(mappedBy = "port" ,cascade = CascadeType.ALL)
diff --git a/src/main/resources/database.properties b/src/main/resources/database.properties
index 8703c98..d9f650f 100644
--- a/src/main/resources/database.properties
+++ b/src/main/resources/database.properties
@@ -10,6 +10,7 @@ spring.datasource.driver-class-name=org.h2.Driver
 
 ## Hibernate configuration
 spring.jpa.database=h2
-spring.jpa.hibernate.ddl-auto=create-drop
+#spring.jpa.hibernate.ddl-auto=create-drop
+spring.jpa.hibernate.ddl-auto=update
 spring.jpa.hibernate.naming-strategy=org.hibernate.cfg.ImprovedNamingStrategy
 spring.jpa.show-sql=true
\ No newline at end of file
diff --git a/src/test/java/com/loafle/bridge/discoveryport/repository/DiscoveryPortRepositoryTest.java b/src/test/java/com/loafle/bridge/discoveryport/repository/DiscoveryPortRepositoryTest.java
index 2c683af..41877c6 100644
--- a/src/test/java/com/loafle/bridge/discoveryport/repository/DiscoveryPortRepositoryTest.java
+++ b/src/test/java/com/loafle/bridge/discoveryport/repository/DiscoveryPortRepositoryTest.java
@@ -7,7 +7,6 @@ import com.loafle.bridge.discoveryport.ServiceScanHistory;
 import com.loafle.bridge.discoveryport.type.DirectionType;
 import com.loafle.bridge.discoveryport.type.PortType;
 import org.apache.log4j.Logger;
-import org.junit.After;
 import org.junit.Before;
 import org.junit.Test;
 import org.junit.runner.RunWith;
@@ -39,6 +38,7 @@ public class DiscoveryPortRepositoryTest {
 
 
     @Before
+    @Transactional
     public void Before() {
         repo.save(new DiscoveryPort(PortType.TCP,(short)1));
         repo.save(new DiscoveryPort(PortType.UDP, (short)2));
@@ -47,14 +47,21 @@ public class DiscoveryPortRepositoryTest {
         repo.save(new DiscoveryPort(PortType.TCP, (short)5));
     }
 
-    @After
-    public void After() {
-        repo.deleteAll();
-    }
+//    @After
+//    public void After() {
+//        repo.deleteAll();
+//    }
 
     @Test
     @Transactional
     public void TestInsertPort() {
+
+        repo.save(new DiscoveryPort(PortType.TCP,(short)1));
+        repo.save(new DiscoveryPort(PortType.UDP, (short)2));
+        repo.save(new DiscoveryPort(PortType.TCP, (short)3));
+        repo.save(new DiscoveryPort(PortType.UDP, (short)4));
+        repo.save(new DiscoveryPort(PortType.TCP, (short)5));
+
         DiscoveryPort p = new DiscoveryPort(PortType.TCP, (short)1);
 
         repo.save(p);