diff --git a/src/main/java/AIWA/MCPBackend_Member/Controller/MemberController.java b/src/main/java/AIWA/MCPBackend_Member/Controller/MemberController.java
index 14f0825..59a02f7 100644
--- a/src/main/java/AIWA/MCPBackend_Member/Controller/MemberController.java
+++ b/src/main/java/AIWA/MCPBackend_Member/Controller/MemberController.java
@@ -70,10 +70,10 @@ public ListResult<MemberResponseDto> getAllMembers() {
     }
 
     @PostMapping("/update-credentials")
-    public CommonResult updateCredentials(@RequestBody CompanyDto companyDto) {
-        System.out.println(companyDto.getAccessKey());
-        System.out.println(companyDto.getSecretKey());
-        memberService.addOrUpdateKeys(companyDto.getUserId(),companyDto.getCompany(),companyDto.getAccessKey(), companyDto.getSecretKey());
+    public CommonResult updateCredentials(@RequestBody MemberCredentialDTO memberCredentialDTO) {
+        System.out.println(memberCredentialDTO.getAccessKey());
+        System.out.println(memberCredentialDTO.getSecretKey());
+        memberService.addOrUpdateKeys(memberCredentialDTO.getEmail(),memberCredentialDTO.getAccessKey(), memberCredentialDTO.getSecretKey());
         return responseService.getSuccessResult();
     }
 
diff --git a/src/main/java/AIWA/MCPBackend_Member/Service/member/MemberService.java b/src/main/java/AIWA/MCPBackend_Member/Service/member/MemberService.java
index dd23a81..3b7da9e 100644
--- a/src/main/java/AIWA/MCPBackend_Member/Service/member/MemberService.java
+++ b/src/main/java/AIWA/MCPBackend_Member/Service/member/MemberService.java
@@ -22,7 +22,9 @@ public Member registerMember(MemberRequestDto memberRequestDto) {
         if (memberRepository.findByEmail(memberRequestDto.getEmail()) != null) {
             throw new RuntimeException("Email already exists");
         }
+        s3Service.createUserDirectory(memberRequestDto.getEmail());
         Member regiMember=new Member(memberRequestDto.getName(), memberRequestDto.getPassword(), memberRequestDto.getEmail());
+
         return memberRepository.save(regiMember);
     }
 
@@ -57,13 +59,12 @@ public List<Member> getAllMembers() {
     }
 
 
-    public Member addOrUpdateKeys(String email, String company,String access_key,String secret_key) {
+    public Member addOrUpdateKeys(String email,String access_key,String secret_key) {
 
         Member member = getMemberByEmail(email);
         member.setAccess_key(access_key);
         member.setSecret_key(secret_key);
-        s3Service.createUserDirectory(company);
-        s3Service.createTfvarsFile(company,access_key,secret_key);
+        s3Service.createTfvarsFile(email,access_key,secret_key);
         return memberRepository.save(member);
     }
 
diff --git a/src/main/java/AIWA/MCPBackend_Member/Service/s3/S3Service.java b/src/main/java/AIWA/MCPBackend_Member/Service/s3/S3Service.java
index 9fb3e56..893a29c 100644
--- a/src/main/java/AIWA/MCPBackend_Member/Service/s3/S3Service.java
+++ b/src/main/java/AIWA/MCPBackend_Member/Service/s3/S3Service.java
@@ -13,8 +13,8 @@ public class S3Service {
     private final AmazonS3 s3Client;
     private final String bucketName = "aiwa-terraform";
 
-    public void createUserDirectory(String company) {
-        String userPrefix = "users/" + company + "/";
+    public void createUserDirectory(String userId) {
+        String userPrefix = "users/" + userId + "/";
         // 초기 main.tf 및 terraform.tfstate 파일을 업로드합니다
         uploadInitialFiles(userPrefix);
     }
@@ -64,8 +64,8 @@ public void deleteUserDirectory(String userId) {
     }
 
 
-    public void createTfvarsFile(String company, String accessKey, String secretKey) {
-        String userPrefix = "users/" + company + "/";
+    public void createTfvarsFile(String userId, String accessKey, String secretKey) {
+        String userPrefix = "users/" + userId + "/";
         String tfvarsContent = String.format("""
             aws_access_key = "%s"
             aws_secret_key = "%s"