diff --git a/sluv-domain/src/main/java/com/sluv/domain/question/repository/impl/QuestionRepositoryImpl.java b/sluv-domain/src/main/java/com/sluv/domain/question/repository/impl/QuestionRepositoryImpl.java
index 52ef68f5..66c20fd7 100644
--- a/sluv-domain/src/main/java/com/sluv/domain/question/repository/impl/QuestionRepositoryImpl.java
+++ b/sluv-domain/src/main/java/com/sluv/domain/question/repository/impl/QuestionRepositoryImpl.java
@@ -1,43 +1,43 @@
 package com.sluv.domain.question.repository.impl;
 
-import static com.sluv.domain.celeb.entity.QCeleb.celeb;
-import static com.sluv.domain.celeb.entity.QNewCeleb.newCeleb;
-import static com.sluv.domain.comment.entity.QComment.comment;
-import static com.sluv.domain.question.entity.QDailyHotQuestion.dailyHotQuestion;
-import static com.sluv.domain.question.entity.QQuestion.question;
-import static com.sluv.domain.question.entity.QQuestionBuy.questionBuy;
-import static com.sluv.domain.question.entity.QQuestionFind.questionFind;
-import static com.sluv.domain.question.entity.QQuestionHowabout.questionHowabout;
-import static com.sluv.domain.question.entity.QQuestionLike.questionLike;
-import static com.sluv.domain.question.entity.QQuestionRecommend.questionRecommend;
-import static com.sluv.domain.question.entity.QQuestionRecommendCategory.questionRecommendCategory;
-
 import com.querydsl.core.BooleanBuilder;
+import com.querydsl.core.types.ConstantImpl;
 import com.querydsl.core.types.Order;
 import com.querydsl.core.types.OrderSpecifier;
 import com.querydsl.core.types.dsl.BooleanExpression;
 import com.querydsl.core.types.dsl.EntityPathBase;
 import com.querydsl.core.types.dsl.Expressions;
+import com.querydsl.core.types.dsl.StringTemplate;
 import com.querydsl.jpa.impl.JPAQuery;
 import com.querydsl.jpa.impl.JPAQueryFactory;
 import com.sluv.domain.celeb.entity.Celeb;
 import com.sluv.domain.celeb.entity.QCeleb;
-import com.sluv.domain.question.entity.Question;
-import com.sluv.domain.question.entity.QuestionBuy;
-import com.sluv.domain.question.entity.QuestionFind;
-import com.sluv.domain.question.entity.QuestionHowabout;
-import com.sluv.domain.question.entity.QuestionRecommend;
+import com.sluv.domain.question.entity.*;
 import com.sluv.domain.question.enums.QuestionStatus;
 import com.sluv.domain.user.entity.User;
-import java.time.LocalDateTime;
-import java.util.ArrayList;
-import java.util.List;
-import java.util.Objects;
 import lombok.RequiredArgsConstructor;
 import org.springframework.data.domain.Page;
 import org.springframework.data.domain.Pageable;
 import org.springframework.data.support.PageableExecutionUtils;
 
+import java.time.LocalDateTime;
+import java.time.format.DateTimeFormatter;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Objects;
+
+import static com.sluv.domain.celeb.entity.QCeleb.celeb;
+import static com.sluv.domain.celeb.entity.QNewCeleb.newCeleb;
+import static com.sluv.domain.comment.entity.QComment.comment;
+import static com.sluv.domain.question.entity.QDailyHotQuestion.dailyHotQuestion;
+import static com.sluv.domain.question.entity.QQuestion.question;
+import static com.sluv.domain.question.entity.QQuestionBuy.questionBuy;
+import static com.sluv.domain.question.entity.QQuestionFind.questionFind;
+import static com.sluv.domain.question.entity.QQuestionHowabout.questionHowabout;
+import static com.sluv.domain.question.entity.QQuestionLike.questionLike;
+import static com.sluv.domain.question.entity.QQuestionRecommend.questionRecommend;
+import static com.sluv.domain.question.entity.QQuestionRecommendCategory.questionRecommendCategory;
+
 
 @RequiredArgsConstructor
 public class QuestionRepositoryImpl implements QuestionRepositoryCustom {
@@ -538,11 +538,13 @@ public List<Question> getSearchQuestionIds(String word) {
     @Override
     public List<QuestionBuy> getEndTimeBetweenNow(int voteEndCheckPeriod) {
         int periodToMinutes = voteEndCheckPeriod / 1000 / 60;
-        LocalDateTime now = LocalDateTime.now();
+        String dateFormat = LocalDateTime.now().format(DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss"));
+        String start = LocalDateTime.now().minusMinutes(periodToMinutes).format(DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss"));
+        StringTemplate formattedDate = Expressions.stringTemplate("DATE_FORMAT({0}, {1})", questionBuy.voteEndTime, ConstantImpl.create("%Y-%m-%d %H:%i:%s"));
 
         return jpaQueryFactory.selectFrom(questionBuy)
                 .where(questionBuy.questionStatus.eq(QuestionStatus.ACTIVE)
-                        .and(questionBuy.voteEndTime.between(now.minusMinutes(periodToMinutes), now))
+                        .and(formattedDate.between(start, dateFormat))
                 )
                 .fetch();
 
diff --git a/sluv-infra/src/main/java/com/sluv/infra/ai/AiModelService.java b/sluv-infra/src/main/java/com/sluv/infra/ai/AiModelService.java
index 44207f95..05ce1a94 100644
--- a/sluv-infra/src/main/java/com/sluv/infra/ai/AiModelService.java
+++ b/sluv-infra/src/main/java/com/sluv/infra/ai/AiModelService.java
@@ -7,6 +7,7 @@
 import com.sluv.domain.item.entity.ItemImg;
 import com.sluv.domain.item.repository.ItemImgRepository;
 import com.sluv.domain.item.repository.ItemRepository;
+import com.sluv.infra.alarm.service.CommentAlarmService;
 import lombok.RequiredArgsConstructor;
 import lombok.extern.slf4j.Slf4j;
 import org.springframework.scheduling.annotation.Async;
@@ -21,6 +22,7 @@ public class AiModelService {
     private final CommentRepository commentRepository;
     private final ItemRepository itemRepository;
     private final ItemImgRepository itemImgRepository;
+    private final CommentAlarmService commentAlarmService;
 
 
     @Transactional
@@ -31,7 +33,7 @@ public void censorComment(Comment comment) {
         if (isMalicious) {
             comment.changeStatus(CommentStatus.BLOCKED);
             commentRepository.save(comment);
-//            commentAlarmService.sendAlarmAboutReportByAI(comment.getId(), null);
+            commentAlarmService.sendAlarmAboutReportByAI(comment.getId(), null);
         }
     }
 
diff --git a/sluv-infra/src/main/java/com/sluv/infra/alarm/firebase/FcmNotificationService.java b/sluv-infra/src/main/java/com/sluv/infra/alarm/firebase/FcmNotificationService.java
index c0d0092a..91c0e33b 100644
--- a/sluv-infra/src/main/java/com/sluv/infra/alarm/firebase/FcmNotificationService.java
+++ b/sluv-infra/src/main/java/com/sluv/infra/alarm/firebase/FcmNotificationService.java
@@ -7,7 +7,6 @@
 import com.google.firebase.messaging.Notification;
 import com.sluv.domain.alarm.enums.AlarmType;
 import com.sluv.domain.user.entity.User;
-import com.sluv.domain.user.exception.UserNotFoundException;
 import com.sluv.domain.user.repository.UserRepository;
 import com.sluv.infra.alarm.firebase.exception.FcmConnectException;
 import lombok.RequiredArgsConstructor;
@@ -27,18 +26,18 @@ public class FcmNotificationService {
 
     public void sendFCMNotification(Long userId, String title, String body, AlarmType alarmType,
                                     HashMap<String, Long> ids) {
-        User user = userRepository.findById(userId).orElseThrow(UserNotFoundException::new);
-
-        if (user.getAlarmStatus() && user.getFcmToken() != null) { // 알람 허용 시
-            Message message = getMessage(title, body, user, alarmType, ids);
-
-            try {
-                firebaseMessaging.send(message);
-            } catch (FirebaseMessagingException e) {
-                log.error(e.getMessage());
-                throw new FcmConnectException();
-            }
-        }
+//        User user = userRepository.findById(userId).orElseThrow(UserNotFoundException::new);
+//
+//        if (user.getAlarmStatus() && user.getFcmToken() != null) { // 알람 허용 시
+//            Message message = getMessage(title, body, user, alarmType, ids);
+//
+//            try {
+//                firebaseMessaging.send(message);
+//            } catch (FirebaseMessagingException e) {
+//                log.error(e.getMessage());
+//                throw new FcmConnectException();
+//            }
+//        }
     }
 
     public void sendFCMNotificationMulticast(List<Long> userIds, String title, String body, AlarmType alarmType,
diff --git a/sluv-infra/src/main/java/com/sluv/infra/alarm/service/CommentAlarmService.java b/sluv-infra/src/main/java/com/sluv/infra/alarm/service/CommentAlarmService.java
index 3853d783..3cffc7ce 100644
--- a/sluv-infra/src/main/java/com/sluv/infra/alarm/service/CommentAlarmService.java
+++ b/sluv-infra/src/main/java/com/sluv/infra/alarm/service/CommentAlarmService.java
@@ -44,8 +44,7 @@ public void sendAlarmAboutCommentLike(Long senderId, Long commentId) {
     @Async("alarmThreadPoolExecutor")
     public void sendAlarmAboutComment(Long senderId, Long commentId) {
         Comment comment = commentDomainService.findById(commentId);
-
-        if (!senderId.equals(comment.getUser().getId())) {
+        if (!senderId.equals(comment.getQuestion().getUser().getId())) {
             User sender = userDomainService.findById(senderId);
             String message = AlarmMessage.getMessageWithUserName(sender.getNickname(), AlarmMessage.QUESTION_COMMENT);
             sendMessageTypeComment(comment.getQuestion().getUser(), comment, message, sender);
@@ -57,10 +56,10 @@ public void sendAlarmAboutComment(Long senderId, Long commentId) {
     public void sendAlarmAboutSubComment(Long senderId, Long commentId) {
         Comment comment = commentDomainService.findById(commentId);
 
-        if (!senderId.equals(comment.getUser().getId())) {
+        if (!senderId.equals(comment.getParent().getUser().getId()) && !senderId.equals(comment.getQuestion().getUser().getId())) {
             User sender = userDomainService.findById(senderId);
             String message = AlarmMessage.getMessageWithUserName(sender.getNickname(), AlarmMessage.COMMENT_SUB);
-            sendMessageTypeComment(comment.getUser(), comment, message, sender);
+            sendMessageTypeComment(comment.getParent().getUser(), comment, message, sender);
         }
     }