diff --git a/jpablog/src/main/java/com/example/jpablog/model/User.java b/jpablog/src/main/java/com/example/jpablog/model/User.java
index f46e442a..46a0f88b 100644
--- a/jpablog/src/main/java/com/example/jpablog/model/User.java
+++ b/jpablog/src/main/java/com/example/jpablog/model/User.java
@@ -4,6 +4,7 @@ import lombok.AllArgsConstructor;
 import lombok.Builder;
 import lombok.Data;
 import lombok.NoArgsConstructor;
+import lombok.experimental.Accessors;
 import org.hibernate.annotations.CreationTimestamp;
 
 import javax.persistence.*;
@@ -13,6 +14,7 @@ import java.time.LocalDateTime;
 @AllArgsConstructor
 @NoArgsConstructor
 @Builder
+@Accessors(chain = true)
 //@DynamicInsert // insert 시 null 인 필드 제거하고 insert
 @Entity
 public class User {
diff --git a/jpablog/src/main/java/com/example/jpablog/test/DummyControllerTest.java b/jpablog/src/main/java/com/example/jpablog/test/DummyControllerTest.java
index 98c2200d..17caf20e 100644
--- a/jpablog/src/main/java/com/example/jpablog/test/DummyControllerTest.java
+++ b/jpablog/src/main/java/com/example/jpablog/test/DummyControllerTest.java
@@ -8,10 +8,10 @@ import org.springframework.data.domain.Page;
 import org.springframework.data.domain.Pageable;
 import org.springframework.data.domain.Sort;
 import org.springframework.data.web.PageableDefault;
+import org.springframework.transaction.annotation.Transactional;
 import org.springframework.web.bind.annotation.*;
 
 import java.util.List;
-import java.util.function.Supplier;
 
 @RestController
 @RequiredArgsConstructor
@@ -19,6 +19,19 @@ public class DummyControllerTest {
 
     private final UserRepository userRepository;
 
+    // save : id 전달 X -> insert
+    //        id 전달 -> id 있으면 update
+    //               -> id 없으면 insert
+    @Transactional
+    @PutMapping("/dummy/user/{id}")
+    public User updateUser(@PathVariable Long id, @RequestBody User requestUser) {
+        User user = userRepository.findById(id).orElseThrow(() -> new IllegalArgumentException("수정실패"));
+        user
+                .setPassword(requestUser.getPassword())
+                .setEmail(requestUser.getEmail());
+        return null;
+    }
+
     @GetMapping("/dummy/user")
     public List<User> list() {
         return userRepository.findAll();
@@ -27,7 +40,6 @@ public class DummyControllerTest {
     @GetMapping("/dummy/user/search")
     public List<User> pageList(
             @PageableDefault(size = 2,sort = "id", direction = Sort.Direction.DESC) Pageable pageable) {
-        System.out.println(pageable);
         Page<User> pagingUsers = userRepository.findAll(pageable);
         List<User> users = pagingUsers.getContent();
         return users;