diff --git a/fairer-api/src/main/java/com/depromeet/fairer/repository/houseworkcomplete/HouseWorkCompleteCustomRepository.java b/fairer-api/src/main/java/com/depromeet/fairer/repository/houseworkcomplete/HouseWorkCompleteCustomRepository.java
index 05f5d3e..5abb0d4 100644
--- a/fairer-api/src/main/java/com/depromeet/fairer/repository/houseworkcomplete/HouseWorkCompleteCustomRepository.java
+++ b/fairer-api/src/main/java/com/depromeet/fairer/repository/houseworkcomplete/HouseWorkCompleteCustomRepository.java
@@ -16,5 +16,5 @@ public interface HouseWorkCompleteCustomRepository {
 
     List<HouseworkComplete> findMonthlyHouseWorkStatisticByTeamIdAndHouseWorkNameV2(Long memberId, YearMonth from, String houseWorkName);
 
-    Long findMonthlyHouseWorkByMember(Long memberId, YearMonth month);
+    Long getMonthlyCountByMember(Long memberId, YearMonth month);
 }
diff --git a/fairer-api/src/main/java/com/depromeet/fairer/repository/houseworkcomplete/HouseWorkCompleteCustomRepositoryImpl.java b/fairer-api/src/main/java/com/depromeet/fairer/repository/houseworkcomplete/HouseWorkCompleteCustomRepositoryImpl.java
index 495d12a..607769e 100644
--- a/fairer-api/src/main/java/com/depromeet/fairer/repository/houseworkcomplete/HouseWorkCompleteCustomRepositoryImpl.java
+++ b/fairer-api/src/main/java/com/depromeet/fairer/repository/houseworkcomplete/HouseWorkCompleteCustomRepositoryImpl.java
@@ -2,7 +2,6 @@
 
 import com.depromeet.fairer.domain.houseworkComplete.HouseworkComplete;
 import com.depromeet.fairer.vo.houseWorkComplete.HouseWorkCompleteStatisticsVo;
-import com.querydsl.core.Tuple;
 import com.querydsl.core.types.Projections;
 import com.querydsl.core.types.dsl.BooleanExpression;
 import com.querydsl.jpa.impl.JPAQueryFactory;
@@ -90,16 +89,16 @@ public List<HouseworkComplete> findMonthlyHouseWorkStatisticByTeamIdAndHouseWork
     }
 
     @Override
-    public Long findMonthlyHouseWorkByMember(Long memberId, YearMonth month) {
+    public Long getMonthlyCountByMember(Long memberId, YearMonth month) {
 
         LocalDateTime startTimeOfMonth = month.atDay(1) .atStartOfDay();
         LocalDateTime endTimeOfMonth = month.atEndOfMonth().atTime(LocalTime.MAX);
 
-        return (long) jpaQueryFactory.selectFrom(houseworkComplete)
+        return (long) jpaQueryFactory.select(houseworkComplete.count())
+                .from(houseWork)
                 .where(houseworkComplete.member.memberId.eq(memberId),
                         houseworkComplete.successDateTime.between(startTimeOfMonth, endTimeOfMonth))
-                .fetch()
-                .size();
+                .fetchOne();
     }
 
     private BooleanExpression houseworkNameEq(String houseworkName) {
diff --git a/fairer-api/src/main/java/com/depromeet/fairer/service/houseworkComplete/HouseWorkCompleteService.java b/fairer-api/src/main/java/com/depromeet/fairer/service/houseworkComplete/HouseWorkCompleteService.java
index c9084ad..1ef7356 100644
--- a/fairer-api/src/main/java/com/depromeet/fairer/service/houseworkComplete/HouseWorkCompleteService.java
+++ b/fairer-api/src/main/java/com/depromeet/fairer/service/houseworkComplete/HouseWorkCompleteService.java
@@ -91,7 +91,7 @@ public MonthlyHouseWorkStatisticResponseDto getMonthlyHouseWorkRanking(Long memb
         List<MemberHouseWorkStatisticDto> memberHouseWorkStatisticDtos = new ArrayList<>();
         for(Member member : currentMember.getTeam().getMembers()){
             memberHouseWorkStatisticDtos.add(
-                    MemberHouseWorkStatisticDto.of(member, houseWorkCompleteRepository.findMonthlyHouseWorkByMember(member.getMemberId(), YearMonth.from(month))));
+                    MemberHouseWorkStatisticDto.of(member, houseWorkCompleteRepository.getMonthlyCountByMember(member.getMemberId(), YearMonth.from(month))));
         }
 
 //        List<HouseWorkCompleteStatisticsVo> teamHouseWorkStatistics = houseWorkCompleteRepository.findMonthlyHouseWorkRanking(
diff --git a/fairer-api/src/main/java/com/depromeet/fairer/service/member/oauth/OauthLoginService.java b/fairer-api/src/main/java/com/depromeet/fairer/service/member/oauth/OauthLoginService.java
index 690ebe7..4a92f8e 100644
--- a/fairer-api/src/main/java/com/depromeet/fairer/service/member/oauth/OauthLoginService.java
+++ b/fairer-api/src/main/java/com/depromeet/fairer/service/member/oauth/OauthLoginService.java
@@ -54,7 +54,6 @@
 import java.security.spec.RSAPublicKeySpec;
 import java.time.LocalDateTime;
 import java.util.*;
-
 @Slf4j
 @Service
 @Transactional