diff --git a/src/main/java/banban/springboot/apiPayload/code/status/ErrorStatus.java b/src/main/java/banban/springboot/apiPayload/code/status/ErrorStatus.java
index 919d2a6..1dcbd9e 100644
--- a/src/main/java/banban/springboot/apiPayload/code/status/ErrorStatus.java
+++ b/src/main/java/banban/springboot/apiPayload/code/status/ErrorStatus.java
@@ -34,7 +34,7 @@ public enum ErrorStatus implements BaseErrorCode {
 
     // News Error
     NEWS_NOT_EXIST_FOUND(HttpStatus.BAD_REQUEST, "NEWS4001", "뉴스가 없습니다."),
-    
+
     //Store Error
     STORE_NOT_FOUND(HttpStatus.NOT_FOUND, "STORE_4001","가게가 없습니다.");
 
diff --git a/src/main/java/banban/springboot/domain/entity/Member.java b/src/main/java/banban/springboot/domain/entity/Member.java
index c862147..99be1f4 100644
--- a/src/main/java/banban/springboot/domain/entity/Member.java
+++ b/src/main/java/banban/springboot/domain/entity/Member.java
@@ -26,4 +26,8 @@ public class Member {
 
     @OneToMany(mappedBy = "member", cascade = CascadeType.ALL)
     private List<News> NewsList = new ArrayList<>();
+
+    @ManyToOne(fetch = FetchType.LAZY)
+    @JoinColumn(name = "teamGroup_id", nullable = false)
+    private TeamGroup teamGroup;
 }
diff --git a/src/main/java/banban/springboot/service/MemberService.java b/src/main/java/banban/springboot/service/MemberService.java
index ae2b6b4..0eb23ac 100644
--- a/src/main/java/banban/springboot/service/MemberService.java
+++ b/src/main/java/banban/springboot/service/MemberService.java
@@ -1,6 +1,8 @@
 package banban.springboot.service;
 
 import banban.springboot.domain.entity.Member;
+import banban.springboot.domain.entity.TeamGroup;
+import banban.springboot.repository.GroupRepository;
 import banban.springboot.repository.MemberRepository;
 import banban.springboot.web.dto.request.MemberRequestDTO;
 import banban.springboot.web.dto.response.MemberResponseDTO;
@@ -13,12 +15,17 @@
 @RequiredArgsConstructor
 public class MemberService {
     private final MemberRepository memberRepository;
+    private final GroupRepository groupRepository;
+
+    public MemberResponseDTO createUser(MemberRequestDTO memberRequestDTO, String groupKey) {
+        TeamGroup teamGroup = groupRepository.findByGroupKey(groupKey)
+                .orElseThrow(() -> new RuntimeException("그룹키가 없습니다."));
 
-    public MemberResponseDTO createUser(MemberRequestDTO memberRequestDTO) {
         //DTO to Entity
         Member member = Member.builder()
                 .username(memberRequestDTO.getUsername())
                 .password(memberRequestDTO.getPassword())
+                .teamGroup(teamGroup)
                 .build();
 
         //saved to repository
@@ -28,28 +35,37 @@ public MemberResponseDTO createUser(MemberRequestDTO memberRequestDTO) {
         return MemberResponseDTO.builder()
                 .id(savedMember.getId())
                 .username(savedMember.getUsername())
+                .teamGroup(teamGroup)
                 .build();
     }
 
     //ID로 사용자 조회
-    public MemberResponseDTO findMemberById(Long id) {
+    public MemberResponseDTO findMemberById(Long id,String groupKey) {
+        TeamGroup teamGroup = groupRepository.findByGroupKey(groupKey)
+                .orElseThrow(() -> new RuntimeException("그룹키가 없습니다."));
+
         Member member = memberRepository.findById(id)
                 .orElseThrow(() -> new RuntimeException("사용자 조회를 할 수 없습니다."));
 
         return MemberResponseDTO.builder()
                 .id(member.getId())
                 .username(member.getUsername())
+                .teamGroup(teamGroup)
                 .build();
     }
 
     //Username으로 사용자 조회
-    public MemberResponseDTO getMemberByUsername(String username) {
+    public MemberResponseDTO getMemberByUsername(String username, String groupKey) {
+        TeamGroup teamGroup = groupRepository.findByGroupKey(groupKey)
+                .orElseThrow(() -> new RuntimeException("그룹키가 없습니다."));
+
         Member member = memberRepository.findByUsername(username)
                 .orElseThrow(() -> new RuntimeException("사용자 조회를 할 수 없습니다."));
 
         return MemberResponseDTO.builder()
                 .id(member.getId())
                 .username(member.getUsername())
+                .teamGroup(teamGroup)
                 .build();
     }
 }
\ No newline at end of file
diff --git a/src/main/java/banban/springboot/service/NewsService.java b/src/main/java/banban/springboot/service/NewsService.java
index 0daebdf..c944af1 100644
--- a/src/main/java/banban/springboot/service/NewsService.java
+++ b/src/main/java/banban/springboot/service/NewsService.java
@@ -12,7 +12,6 @@
 import banban.springboot.web.dto.request.NewsRequestDTO;
 import banban.springboot.web.dto.response.NewsResponseDTO;
 import lombok.RequiredArgsConstructor;
-import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Service;
 import org.springframework.transaction.annotation.Transactional;
 
diff --git a/src/main/java/banban/springboot/web/controller/MemberController.java b/src/main/java/banban/springboot/web/controller/MemberController.java
index 2238d77..9904f46 100644
--- a/src/main/java/banban/springboot/web/controller/MemberController.java
+++ b/src/main/java/banban/springboot/web/controller/MemberController.java
@@ -1,6 +1,7 @@
 package banban.springboot.web.controller;
 
 import banban.springboot.apiPayload.ApiResponse;
+import banban.springboot.service.GroupService;
 import banban.springboot.service.MemberService;
 import banban.springboot.web.dto.request.MemberRequestDTO;
 import banban.springboot.web.dto.response.MemberResponseDTO;
@@ -15,22 +16,24 @@ public class MemberController {
 
     private final MemberService memberService;
 
+
     /* 사용자 생성 API*/
-    @PostMapping("/users/login")
-    public ApiResponse<MemberResponseDTO> createUser(@RequestBody @Valid MemberRequestDTO memberRequestDTO) {
-        MemberResponseDTO MemberResponseDTO = memberService.createUser(memberRequestDTO);
+    @PostMapping("{groupKey}/users/login")
+    public ApiResponse<MemberResponseDTO> createUser(@RequestBody @Valid MemberRequestDTO memberRequestDTO,@PathVariable("groupKey") String groupKey) {
+        MemberResponseDTO MemberResponseDTO = memberService.createUser(memberRequestDTO,groupKey);
         return ApiResponse.onSuccess(MemberResponseDTO);}
 
     /* ID로 사용자 조회 API */
-    @GetMapping("/users/login/{memberId}")
-    public ApiResponse<MemberResponseDTO> getUserById(@PathVariable Long memberId) {
-        MemberResponseDTO MemberResponseDTO = memberService.findMemberById(memberId);
+    @GetMapping("{groupKey}/users/login/{memberId}")
+    public ApiResponse<MemberResponseDTO> getUserById(@PathVariable Long memberId,@PathVariable("groupKey") String groupKey) {
+        MemberResponseDTO MemberResponseDTO = memberService.findMemberById(memberId,groupKey);
         return ApiResponse.onSuccess(MemberResponseDTO);}
 
     /**
-
-     Username으로 사용자 조회 API*/@GetMapping("/users/login/username")
-    public ApiResponse<MemberResponseDTO> getUserByUsername(@RequestParam String username) {
-        MemberResponseDTO MemberResponseDTO = memberService.getMemberByUsername(username);
+     Username으로 사용자 조회 API
+     */
+    @GetMapping("{groupKey}/users/login/username")
+    public ApiResponse<MemberResponseDTO> getUserByUsername(@RequestParam String username,@PathVariable("groupKey") String groupKey) {
+        MemberResponseDTO MemberResponseDTO = memberService.getMemberByUsername(username,groupKey);
         return ApiResponse.onSuccess(MemberResponseDTO);}
 }
\ No newline at end of file
diff --git a/src/main/java/banban/springboot/web/dto/request/NewsRequestDTO.java b/src/main/java/banban/springboot/web/dto/request/NewsRequestDTO.java
index f135905..a1bf356 100644
--- a/src/main/java/banban/springboot/web/dto/request/NewsRequestDTO.java
+++ b/src/main/java/banban/springboot/web/dto/request/NewsRequestDTO.java
@@ -6,6 +6,7 @@
 import jakarta.validation.constraints.Size;
 import lombok.Getter;
 import lombok.Setter;
+import org.hibernate.annotations.ColumnDefault;
 import org.springframework.web.multipart.MultipartFile;
 
 import java.time.LocalDateTime;
@@ -24,6 +25,7 @@ public class NewsRequestDTO {
 
     //private List<MultipartFile> images; // 사용자가 업로드한 이미지
 
+    @ColumnDefault("false")
     private boolean isBreakingNews; // 속보 여부
 
     @NotNull(message = "긍정인지 부정인지 작성해주세요")
diff --git a/src/main/java/banban/springboot/web/dto/response/MemberResponseDTO.java b/src/main/java/banban/springboot/web/dto/response/MemberResponseDTO.java
index 67d67a6..0ad3851 100644
--- a/src/main/java/banban/springboot/web/dto/response/MemberResponseDTO.java
+++ b/src/main/java/banban/springboot/web/dto/response/MemberResponseDTO.java
@@ -1,5 +1,6 @@
 package banban.springboot.web.dto.response;
 
+import banban.springboot.domain.entity.TeamGroup;
 import lombok.AllArgsConstructor;
 import lombok.Builder;
 import lombok.Getter;
@@ -12,4 +13,5 @@
 public class MemberResponseDTO {
     private Long id;
     private String username;
+    private TeamGroup teamGroup;
 }
\ No newline at end of file