diff --git a/src/main/java/Funssion/Inforum/domain/member/service/MemberService.java b/src/main/java/Funssion/Inforum/domain/member/service/MemberService.java
index 09f26380..4a6c532b 100644
--- a/src/main/java/Funssion/Inforum/domain/member/service/MemberService.java
+++ b/src/main/java/Funssion/Inforum/domain/member/service/MemberService.java
@@ -72,7 +72,7 @@ public SaveMemberResponseDto requestMemberRegistration (MemberSaveDto memberSave
         NonSocialMember member = NonSocialMember.createNonSocialMember(memberSaveDto);
         SaveMemberResponseDto savedMember = memberRepository.save(member);
 
-        UsernamePasswordAuthenticationToken authentication = new UsernamePasswordAuthenticationToken(memberSaveDto.getUserEmail(), memberSaveDto.getUserPw());
+        UsernamePasswordAuthenticationToken authentication = new UsernamePasswordAuthenticationToken(savedMember.getId(), memberSaveDto.getUserPw());
         SecurityContextHolder.getContext().setAuthentication(authentication);
 
         makeLoginForSavedUser(request, response, authentication);
@@ -138,6 +138,9 @@ public ValidatedDto isValidEmail(String email){
         return new ValidatedDto(isEmailAvailable,message);
     }
     public ValidatedDto isRegisteredEmail(String email){
+        if(memberRepository.findSocialMemberByEmail(email).isPresent()){
+            return new ValidatedDto(false,"구글 로그인으로 등록된 계정입니다.");
+        }
 
         boolean isEmailRegistered = memberRepository.findNonSocialMemberByEmail(email).isPresent();
         String message = isEmailRegistered ? "해당 이메일로 코드를 전송하겠습니다." : "해당 이메일로 가입된 회원 정보가 없습니다.";
diff --git a/src/main/java/Funssion/Inforum/domain/mypage/repository/MyRepository.java b/src/main/java/Funssion/Inforum/domain/mypage/repository/MyRepository.java
index 827c7e67..464b3e9f 100644
--- a/src/main/java/Funssion/Inforum/domain/mypage/repository/MyRepository.java
+++ b/src/main/java/Funssion/Inforum/domain/mypage/repository/MyRepository.java
@@ -3,16 +3,11 @@
 
 import Funssion.Inforum.common.constant.PostType;
 import Funssion.Inforum.common.constant.Sign;
-import Funssion.Inforum.domain.mypage.domain.History;
-
 import Funssion.Inforum.domain.member.dto.response.IsProfileSavedDto;
 import Funssion.Inforum.domain.member.entity.MemberProfileEntity;
-import Funssion.Inforum.domain.post.memo.domain.Memo;
-import org.springframework.cglib.core.Local;
+import Funssion.Inforum.domain.mypage.domain.History;
 
-import java.sql.Date;
 import java.time.LocalDate;
-import java.time.LocalDateTime;
 import java.util.List;
 
 public interface MyRepository {