diff --git a/src/main/java/com/example/manager/controller/Address.java b/src/main/java/com/example/manager/controller/Address.java
index 0978949..74bbf28 100644
--- a/src/main/java/com/example/manager/controller/Address.java
+++ b/src/main/java/com/example/manager/controller/Address.java
@@ -14,7 +14,7 @@
 import javax.validation.Valid;
 
 @RestController
-@RequestMapping(value = UrlMapper.globalUrl + UrlMapper.addressUrl)
+@RequestMapping(value = UrlMapper.GLOBAL_URL + UrlMapper.ADDRESS_URL)
 public class Address {
 
     @Autowired
diff --git a/src/main/java/com/example/manager/controller/Person.java b/src/main/java/com/example/manager/controller/Person.java
index 4afbd85..a1b8784 100644
--- a/src/main/java/com/example/manager/controller/Person.java
+++ b/src/main/java/com/example/manager/controller/Person.java
@@ -19,7 +19,7 @@
 import io.swagger.annotations.ApiResponse;
 
 @RestController
-@RequestMapping(value = UrlMapper.globalUrl + UrlMapper.dataUrl)
+@RequestMapping(value = UrlMapper.GLOBAL_URL + UrlMapper.DATA_URL)
 public class Person {
 
     @Autowired
diff --git a/src/main/java/com/example/manager/data/Person.java b/src/main/java/com/example/manager/data/Person.java
index 6b0f24b..c597872 100644
--- a/src/main/java/com/example/manager/data/Person.java
+++ b/src/main/java/com/example/manager/data/Person.java
@@ -67,15 +67,15 @@ public Person(Long id, @NotBlank(message = "First Name can not be empty") String
 	private Set<Address> address;
 
 	@OneToMany(cascade = CascadeType.ALL)
-	@JoinColumn(name = "project_id", referencedColumnName = "id")
+	@JoinColumn(name = "person_id", referencedColumnName = "id")
 	private Set<Project> project;
 
 	@OneToMany(cascade = CascadeType.ALL)
-	@JoinColumn(name = "education_id", referencedColumnName = "id")
+	@JoinColumn(name = "person_id", referencedColumnName = "id")
 	private Set<Education> education;
 
 	@OneToMany(cascade = CascadeType.ALL)
-	@JoinColumn(name = "experience_id", referencedColumnName = "id")
+	@JoinColumn(name = "person_id", referencedColumnName = "id")
 	private Set<Experience> experience;
 
 }
diff --git a/src/main/java/com/example/manager/mapping/UrlMapper.java b/src/main/java/com/example/manager/mapping/UrlMapper.java
index a49c763..8b1559a 100644
--- a/src/main/java/com/example/manager/mapping/UrlMapper.java
+++ b/src/main/java/com/example/manager/mapping/UrlMapper.java
@@ -1,8 +1,8 @@
 package com.example.manager.mapping;
 
 public class UrlMapper {
-	public final static String globalUrl = "/api/v1/manage/";
-	public final static String dataUrl = "data";
-	public final static String addressUrl = "address";
+	public final static String GLOBAL_URL = "/api/v1/manage/";
+	public final static String DATA_URL = "data";
+	public final static String ADDRESS_URL = "address";
 
 }
diff --git a/src/test/java/com/example/manager/controller/AddressTest.java b/src/test/java/com/example/manager/controller/AddressTest.java
index 4196cca..43b774a 100644
--- a/src/test/java/com/example/manager/controller/AddressTest.java
+++ b/src/test/java/com/example/manager/controller/AddressTest.java
@@ -53,7 +53,7 @@ public class AddressTest {
     @Autowired
     ResponseFormat response;
 
-    String uri = UrlMapper.globalUrl + UrlMapper.addressUrl;
+    String uri = UrlMapper.GLOBAL_URL + UrlMapper.ADDRESS_URL;
 
     @Test
     void testGetAllAddress() throws Exception {
diff --git a/src/test/java/com/example/manager/controller/PersonTest.java b/src/test/java/com/example/manager/controller/PersonTest.java
index 04e7167..53486b7 100644
--- a/src/test/java/com/example/manager/controller/PersonTest.java
+++ b/src/test/java/com/example/manager/controller/PersonTest.java
@@ -52,7 +52,7 @@ public class PersonTest {
     @Autowired
     ResponseFormat response;
 
-    String uri = UrlMapper.globalUrl + UrlMapper.dataUrl;
+    String uri = UrlMapper.GLOBAL_URL + UrlMapper.DATA_URL;
 
     @Test
     void testGetAllData() throws Exception{