diff --git a/src/main/java/com/fairy_pitt/recordary/common/entity/GroupEntity.java b/src/main/java/com/fairy_pitt/recordary/common/entity/GroupEntity.java
index 93b2a50..5e9d382 100644
--- a/src/main/java/com/fairy_pitt/recordary/common/entity/GroupEntity.java
+++ b/src/main/java/com/fairy_pitt/recordary/common/entity/GroupEntity.java
@@ -25,7 +25,7 @@ public class GroupEntity extends BaseTimeEntity{
     private UserEntity gMstUserFK;
 
     @Column(name = "GROUP_NM")
-    private String groupName;
+    private String groupNm;
 
     @Column(name = "GROUP_PB_ST" )
     private Boolean groupState;
@@ -50,23 +50,23 @@ public class GroupEntity extends BaseTimeEntity{
 
     @Builder
     public GroupEntity(UserEntity gMstUserFK,
-                       String groupName,
+                       String groupNm,
                        Boolean groupState,
                        String groupPic,
                        String  groupEx) {
 
         this.gMstUserFK = gMstUserFK;
-        this.groupName = groupName;
+        this.groupNm = groupNm;
         this.groupState = groupState;
         this.groupPic = groupPic;
         this.groupEx = groupEx;
     }
 
-    public void updateGroupInfo(String groupName,
+    public void updateGroupInfo(String groupNm,
                                 Boolean groupState,
                                 String groupPic,
                                 String  groupEx) {
-        this.groupName = groupName;
+        this.groupNm = groupNm;
         this.groupState = groupState;
         this.groupPic = groupPic;
         this.groupEx = groupEx;
diff --git a/src/main/java/com/fairy_pitt/recordary/common/repository/GroupRepository.java b/src/main/java/com/fairy_pitt/recordary/common/repository/GroupRepository.java
index 261ae70..31d7fa3 100644
--- a/src/main/java/com/fairy_pitt/recordary/common/repository/GroupRepository.java
+++ b/src/main/java/com/fairy_pitt/recordary/common/repository/GroupRepository.java
@@ -8,7 +8,7 @@
 
 @Repository
 public interface GroupRepository extends JpaRepository<GroupEntity, Long> {
-     List<GroupEntity> findByGroupNameLike(String gName);//findByContentLike
+     List<GroupEntity> findByGroupNmLike(String groupNm);//findByContentLike
      GroupEntity findByGroupCd(Long groupCd);
      List<GroupEntity> findAllByGroupState(boolean state);
 }
diff --git a/src/main/java/com/fairy_pitt/recordary/endpoint/group/GroupController.java b/src/main/java/com/fairy_pitt/recordary/endpoint/group/GroupController.java
index d48d1fe..117f476 100644
--- a/src/main/java/com/fairy_pitt/recordary/endpoint/group/GroupController.java
+++ b/src/main/java/com/fairy_pitt/recordary/endpoint/group/GroupController.java
@@ -63,9 +63,9 @@ public Long deleteGroup(@PathVariable Long groupCd) {
         return groupCd;
     }
 
-    @GetMapping("findGroup/{groupName}")
-    public List<GroupResponseDto> findAllGroup(@PathVariable String groupName) {
-        return groupService.findGroupByName(groupName);
+    @GetMapping("findGroup/{groupNm}")
+    public List<GroupResponseDto> findAllGroup(@PathVariable String groupNm) {
+        return groupService.findGroupByName(groupNm);
     }
 
     @GetMapping("{groupCd}")
@@ -81,10 +81,10 @@ List<GroupResponseDto> findAllGroup() {
     }
 
 
-    @GetMapping("group/{userId}")
-    public List<GroupResponseDto> findUserGroup(@PathVariable Long userId) {
+    @GetMapping("group/{userCd}")
+    public List<GroupResponseDto> findUserGroup(@PathVariable Long userCd) {
 
-        return groupService.findUserGroups(userId);
+        return groupService.findUserGroups(userCd);
     }
 
     @GetMapping("member/{groupCd}")
diff --git a/src/main/java/com/fairy_pitt/recordary/endpoint/group/dto/GroupApplyResponseDto.java b/src/main/java/com/fairy_pitt/recordary/endpoint/group/dto/GroupApplyResponseDto.java
index e16eaea..efffe3a 100644
--- a/src/main/java/com/fairy_pitt/recordary/endpoint/group/dto/GroupApplyResponseDto.java
+++ b/src/main/java/com/fairy_pitt/recordary/endpoint/group/dto/GroupApplyResponseDto.java
@@ -27,6 +27,6 @@ public GroupApplyResponseDto(GroupApplyEntity entity)
         this.userNm = entity.getUserFK().getUserNm();
         this.userId = entity.getUserFK().getUserId();
         this.userPic= entity.getUserFK().getUserPic();
-        this.groupNm = entity.getGroupFK().getGroupName();
+        this.groupNm = entity.getGroupFK().getGroupNm();
     }
 }
diff --git a/src/main/java/com/fairy_pitt/recordary/endpoint/group/dto/GroupResponseDto.java b/src/main/java/com/fairy_pitt/recordary/endpoint/group/dto/GroupResponseDto.java
index 03061c9..6fcaec0 100644
--- a/src/main/java/com/fairy_pitt/recordary/endpoint/group/dto/GroupResponseDto.java
+++ b/src/main/java/com/fairy_pitt/recordary/endpoint/group/dto/GroupResponseDto.java
@@ -21,7 +21,7 @@ public GroupResponseDto(GroupEntity entity)
     {
         this.groupCd = entity.getGroupCd();
         this.userCd = entity.getGMstUserFK().getUserCd();
-        this.groupNm = entity.getGroupName();
+        this.groupNm = entity.getGroupNm();
         this.groupState = entity.getGroupState();
         this.groupEx = entity.getGroupEx();
         this.groupPic = entity.getGroupPic();
@@ -32,7 +32,7 @@ public GroupResponseDto(GroupEntity entity, UserEntity user)
     {
         this.groupCd = entity.getGroupCd();
         this.userCd = entity.getGMstUserFK().getUserCd();
-        this.groupNm = entity.getGroupName();
+        this.groupNm = entity.getGroupNm();
         this.groupState = entity.getGroupState();
         this.groupEx = entity.getGroupEx();
         this.groupPic = entity.getGroupPic();
diff --git a/src/main/java/com/fairy_pitt/recordary/endpoint/group/dto/GroupSaveRequestDto.java b/src/main/java/com/fairy_pitt/recordary/endpoint/group/dto/GroupSaveRequestDto.java
index d251a65..8f1e9c2 100644
--- a/src/main/java/com/fairy_pitt/recordary/endpoint/group/dto/GroupSaveRequestDto.java
+++ b/src/main/java/com/fairy_pitt/recordary/endpoint/group/dto/GroupSaveRequestDto.java
@@ -31,7 +31,7 @@ public GroupEntity toEntity(UserEntity user, String url){
     return GroupEntity.builder()
             .gMstUserFK(user)
             .groupEx(groupEx)
-            .groupName(groupNm)
+            .groupNm(groupNm)
             .groupState(groupState)
             .groupPic(url)
             .build();
diff --git a/src/main/java/com/fairy_pitt/recordary/endpoint/group/service/GroupService.java b/src/main/java/com/fairy_pitt/recordary/endpoint/group/service/GroupService.java
index d4db995..7aebbc9 100644
--- a/src/main/java/com/fairy_pitt/recordary/endpoint/group/service/GroupService.java
+++ b/src/main/java/com/fairy_pitt/recordary/endpoint/group/service/GroupService.java
@@ -54,11 +54,11 @@ public Long updateGroupInfo(Long id, @RequestBody GroupUpdateRequestDto groupDto
     }
 
     @Transactional
-    public Long changGroupMaster(Long UserId, Long groupCd) {
+    public Long changGroupMaster(Long userCd, Long groupCd) {
         GroupEntity groupEntity = groupRepository.findById(groupCd)
                 .orElseThrow(() -> new IllegalArgumentException("해당 그룹이 없습니다. id=" + groupCd));
 
-        UserEntity User = userService.findEntity(UserId);
+        UserEntity User = userService.findEntity(userCd);
         groupEntity.updateGroupMaster(User);
 
         return groupCd;
@@ -90,7 +90,7 @@ public List<GroupResponseDto> findAllGroup(){
 
     @Transactional(readOnly = true)
     public List<GroupResponseDto> findGroupByName(String groupName){
-        return groupRepository.findByGroupNameLike("%"+groupName+"%").stream()
+        return groupRepository.findByGroupNmLike("%"+groupName+"%").stream()
                 .map(GroupResponseDto::new)
                 .collect(Collectors.toList());
     }
diff --git a/src/test/java/com/fairy_pitt/recordary/common/group/GroupRepositoryTest.java b/src/test/java/com/fairy_pitt/recordary/common/group/GroupRepositoryTest.java
index 6b05a94..a8df5b4 100644
--- a/src/test/java/com/fairy_pitt/recordary/common/group/GroupRepositoryTest.java
+++ b/src/test/java/com/fairy_pitt/recordary/common/group/GroupRepositoryTest.java
@@ -39,7 +39,7 @@ public void cleanUp()
 
         groupRepository.save(GroupEntity.builder()
                 .gMstUserFK(null)
-                .groupName(groupName)
+                .groupNm(groupName)
                 .groupState(true)
                 .groupPic(null)
                 .groupEx(groupEx)
@@ -51,7 +51,7 @@ public void cleanUp()
         //then
         GroupEntity groupEntity = groupList.get(0);
         assertThat(groupEntity.getGroupEx()).isEqualTo(groupEx);
-        assertThat(groupEntity.getGroupName()).isEqualTo(groupName);
+        assertThat(groupEntity.getGroupNm()).isEqualTo(groupName);
 
     }
 
diff --git a/src/test/java/com/fairy_pitt/recordary/endpoint/group/GroupApplyControllerTest.java b/src/test/java/com/fairy_pitt/recordary/endpoint/group/GroupApplyControllerTest.java
index c219efe..f1fd3ac 100644
--- a/src/test/java/com/fairy_pitt/recordary/endpoint/group/GroupApplyControllerTest.java
+++ b/src/test/java/com/fairy_pitt/recordary/endpoint/group/GroupApplyControllerTest.java
@@ -74,7 +74,7 @@ public void tearDown() throws Exception{
 
         GroupEntity groupEntity = groupRepository.save(  GroupEntity.builder()
                 .gMstUserFK(saveUser)
-                .groupName(groupName)
+                .groupNm(groupName)
                 .groupState(true)
                 .groupPic(groupPic)
                 .groupEx(groupEx)
diff --git a/src/test/java/com/fairy_pitt/recordary/endpoint/group/GroupControllerTest.java b/src/test/java/com/fairy_pitt/recordary/endpoint/group/GroupControllerTest.java
index af81c63..23ece49 100644
--- a/src/test/java/com/fairy_pitt/recordary/endpoint/group/GroupControllerTest.java
+++ b/src/test/java/com/fairy_pitt/recordary/endpoint/group/GroupControllerTest.java
@@ -93,7 +93,7 @@ public void tearDown() throws Exception{
 
         List<GroupEntity> all = groupRepository.findAll();
         assertThat(all.get(0).getGroupEx()).isEqualTo(groupEx);
-        assertThat(all.get(0).getGroupName()).isEqualTo(groupName);
+        assertThat(all.get(0).getGroupNm()).isEqualTo(groupName);
     }
 
 
@@ -113,7 +113,7 @@ public void tearDown() throws Exception{
 
         GroupEntity groupEntity = groupRepository.save(  GroupEntity.builder()
                 .gMstUserFK(saveUser)
-                .groupName(groupName)
+                .groupNm(groupName)
                 .groupState(true)
                 .groupPic(groupPic)
                 .groupEx(groupEx)
@@ -141,7 +141,7 @@ public void tearDown() throws Exception{
 
         List<GroupEntity> all = groupRepository.findAll();
         assertThat(all.get(0).getGroupEx()).isEqualTo(groupEx2);
-        assertThat(all.get(0).getGroupName()).isEqualTo(groupName);
+        assertThat(all.get(0).getGroupNm()).isEqualTo(groupName);
     }
 
     @Test
@@ -160,13 +160,13 @@ public void tearDown() throws Exception{
 
         GroupEntity groupEntity = groupRepository.save(  GroupEntity.builder()
                 .gMstUserFK(saveUser)
-                .groupName(groupName)
+                .groupNm(groupName)
                 .groupState(true)
                 .groupPic(groupPic)
                 .groupEx(groupEx)
                 .build());
 
-        Long groupId = groupEntity.getGroupCd();
+        Long groupCd = groupEntity.getGroupCd();
 
 
         UserEntity changeUser = userRepository.save(UserEntity.builder()
@@ -175,7 +175,7 @@ public void tearDown() throws Exception{
                 .userNm("테스트 유저222222")
                 .build());
 
-        String url = "http://localhost:" + port + "group/changeMaster/" + groupId;
+        String url = "http://localhost:" + port + "group/changeMaster/" + groupCd;
         Long userCd  = changeUser.getUserCd();
         //when
         ResponseEntity<Long> responseEntity = restTemplate.postForEntity(url,userCd,Long.class);
@@ -186,7 +186,7 @@ public void tearDown() throws Exception{
 
         List<GroupEntity> all = groupRepository.findAll();
         assertThat(all.get(0).getGMstUserFK().getUserCd()).isEqualTo(changeUser.getUserCd());
-        assertThat(all.get(0).getGroupName()).isEqualTo(groupName);
+        assertThat(all.get(0).getGroupNm()).isEqualTo(groupName);
     }
 
     @Test
@@ -206,7 +206,7 @@ public void tearDown() throws Exception{
 
         GroupEntity groupEntity = groupRepository.save(GroupEntity.builder()
                 .gMstUserFK(saveUser)
-                .groupName(groupName)
+                .groupNm(groupName)
                 .groupState(true)
                 .groupPic(groupPic)
                 .groupEx(groupEx)
@@ -214,7 +214,7 @@ public void tearDown() throws Exception{
 
         GroupEntity groupEntity2 = groupRepository.save(GroupEntity.builder()
                 .gMstUserFK(saveUser)
-                .groupName(groupName)
+                .groupNm(groupName)
                 .groupState(true)
                 .groupPic(groupPic)
                 .groupEx(groupEx)
@@ -249,7 +249,7 @@ public void tearDown() throws Exception{
 
         GroupEntity groupEntity = groupRepository.save(GroupEntity.builder()
                 .gMstUserFK(saveUser)
-                .groupName(groupName)
+                .groupNm(groupName)
                 .groupState(true)
                 .groupPic(groupPic)
                 .groupEx(groupEx)
diff --git a/src/test/java/com/fairy_pitt/recordary/endpoint/group/GroupMemberControllerTest.java b/src/test/java/com/fairy_pitt/recordary/endpoint/group/GroupMemberControllerTest.java
index 7edaa3b..3b957ea 100644
--- a/src/test/java/com/fairy_pitt/recordary/endpoint/group/GroupMemberControllerTest.java
+++ b/src/test/java/com/fairy_pitt/recordary/endpoint/group/GroupMemberControllerTest.java
@@ -73,7 +73,7 @@ public void tearDown() throws Exception {
 
             GroupEntity groupEntity = groupRepository.save(GroupEntity.builder()
                     .gMstUserFK(saveUser)
-                    .groupName(groupName)
+                    .groupNm(groupName)
                     .groupState(true)
                     .groupPic(groupPic)
                     .groupEx(groupEx)