diff --git a/src/main/java/com/kamco/cd/kamcoback/auth/CustomAuthenticationProvider.java b/src/main/java/com/kamco/cd/kamcoback/auth/CustomAuthenticationProvider.java
index 333b673a..9698b1e1 100644
--- a/src/main/java/com/kamco/cd/kamcoback/auth/CustomAuthenticationProvider.java
+++ b/src/main/java/com/kamco/cd/kamcoback/auth/CustomAuthenticationProvider.java
@@ -26,9 +26,9 @@ public class CustomAuthenticationProvider implements AuthenticationProvider {
 
     // 유저 조회
     MemberEntity member =
-        membersRepository
-            .findByUserId(username)
-            .orElseThrow(() -> new CustomApiException(AuthErrorCode.LOGIN_ID_NOT_FOUND));
+      membersRepository
+        .findByEmployeeNo(username)
+        .orElseThrow(() -> new CustomApiException(AuthErrorCode.LOGIN_ID_NOT_FOUND));
 
     // 미사용 상태
     if (member.getStatus().equals(StatusType.INACTIVE.getId())) {
diff --git a/src/main/java/com/kamco/cd/kamcoback/members/dto/SignInRequest.java b/src/main/java/com/kamco/cd/kamcoback/members/dto/SignInRequest.java
index 1ad47961..25f59beb 100644
--- a/src/main/java/com/kamco/cd/kamcoback/members/dto/SignInRequest.java
+++ b/src/main/java/com/kamco/cd/kamcoback/members/dto/SignInRequest.java
@@ -11,7 +11,7 @@ import lombok.ToString;
 @ToString(exclude = "password")
 public class SignInRequest {
 
-  @Schema(description = "사용자 ID", example = "admin2")
+  @Schema(description = "사용자 ID", example = "1234567")
   private String username;
 
   @Schema(description = "비밀번호", example = "Admin2!@#")
diff --git a/src/main/java/com/kamco/cd/kamcoback/postgres/core/MembersCoreService.java b/src/main/java/com/kamco/cd/kamcoback/postgres/core/MembersCoreService.java
index b59f71fc..df0bcdc9 100644
--- a/src/main/java/com/kamco/cd/kamcoback/postgres/core/MembersCoreService.java
+++ b/src/main/java/com/kamco/cd/kamcoback/postgres/core/MembersCoreService.java
@@ -67,7 +67,7 @@ public class MembersCoreService {
    */
   public void updateMembers(UUID uuid, MembersDto.UpdateReq updateReq) {
     MemberEntity memberEntity =
-        membersRepository.findByUUID(uuid).orElseThrow(MemberNotFoundException::new);
+      membersRepository.findByUUID(uuid).orElseThrow(MemberNotFoundException::new);
 
     if (StringUtils.isNotBlank(updateReq.getName())) {
       memberEntity.setName(updateReq.getName());
@@ -85,7 +85,7 @@ public class MembersCoreService {
       }
 
       String password =
-          CommonStringUtils.hashPassword(updateReq.getPassword(), memberEntity.getEmployeeNo());
+        CommonStringUtils.hashPassword(updateReq.getPassword(), memberEntity.getEmployeeNo());
 
       memberEntity.setStatus(StatusType.PENDING.getId());
       memberEntity.setLoginFailCount(0);
@@ -103,7 +103,7 @@ public class MembersCoreService {
    */
   public void resetPassword(String id, MembersDto.InitReq initReq) {
     MemberEntity memberEntity =
-        membersRepository.findByEmployeeNo(id).orElseThrow(() -> new MemberNotFoundException());
+      membersRepository.findByEmployeeNo(id).orElseThrow(() -> new MemberNotFoundException());
 
     // 기존 패스워드 확인
     if (!BCrypt.checkpw(initReq.getOldPassword(), memberEntity.getPassword())) {
@@ -111,7 +111,7 @@ public class MembersCoreService {
     }
 
     String password =
-        CommonStringUtils.hashPassword(initReq.getNewPassword(), memberEntity.getEmployeeNo());
+      CommonStringUtils.hashPassword(initReq.getNewPassword(), memberEntity.getEmployeeNo());
 
     memberEntity.setPassword(password);
     memberEntity.setStatus(StatusType.ACTIVE.getId());
@@ -141,9 +141,9 @@ public class MembersCoreService {
    */
   public String getUserStatus(SignInRequest request) {
     MemberEntity memberEntity =
-        membersRepository
-            .findByUserId(request.getUsername())
-            .orElseThrow(MemberNotFoundException::new);
+      membersRepository
+        .findByEmployeeNo(request.getUsername())
+        .orElseThrow(MemberNotFoundException::new);
     return memberEntity.getStatus();
   }
 
@@ -154,7 +154,7 @@ public class MembersCoreService {
    */
   public void saveLogin(UUID uuid) {
     MemberEntity memberEntity =
-        membersRepository.findByUUID(uuid).orElseThrow(() -> new MemberNotFoundException());
+      membersRepository.findByUUID(uuid).orElseThrow(() -> new MemberNotFoundException());
 
     if (memberEntity.getFirstLoginDttm() == null) {
       memberEntity.setFirstLoginDttm(ZonedDateTime.now());