diff --git a/src/main/java/com/likelion/innerjoin/InnerjoinApplication.java b/src/main/java/com/likelion/innerjoin/InnerjoinApplication.java
index 12ae773..e3ef215 100644
--- a/src/main/java/com/likelion/innerjoin/InnerjoinApplication.java
+++ b/src/main/java/com/likelion/innerjoin/InnerjoinApplication.java
@@ -24,7 +24,7 @@ public void addCorsMappings(CorsRegistry registry) {
 						.allowedOrigins("http://localhost:3000",
 								"http://localhost:3001",
 								"https://innerjoin.vercel.app")  // 허용할 도메인
-						.allowedMethods("GET", "POST", "PUT", "DELETE", "PATCH", "OPTIONS")  // 허용할 HTTP 메소드
+						.allowedMethods("*")  // 허용할 HTTP 메소드
 						.allowedHeaders("*") // 허용할 헤더
 						.allowCredentials(true);
 			}
diff --git a/src/main/java/com/likelion/innerjoin/post/repository/MeetingTimeRepository.java b/src/main/java/com/likelion/innerjoin/post/repository/MeetingTimeRepository.java
index 4ed1a53..04ca40e 100644
--- a/src/main/java/com/likelion/innerjoin/post/repository/MeetingTimeRepository.java
+++ b/src/main/java/com/likelion/innerjoin/post/repository/MeetingTimeRepository.java
@@ -4,9 +4,11 @@
 import com.likelion.innerjoin.post.model.entity.Recruiting;
 import org.springframework.data.jpa.repository.JpaRepository;
 
+import java.time.LocalDateTime;
 import java.util.List;
 
 public interface MeetingTimeRepository extends JpaRepository<MeetingTime, Long> {
     List<MeetingTime> findByRecruiting(Recruiting recruiting);
     List<MeetingTime> findByRecruitingId(Long recruitingId);
+    MeetingTime findByMeetingStartTimeAndMeetingEndTimeAndRecruiting(LocalDateTime meetingStartTime, LocalDateTime meetingEndTime, Recruiting recruiting);
 }
diff --git a/src/main/java/com/likelion/innerjoin/post/service/ApplicationService.java b/src/main/java/com/likelion/innerjoin/post/service/ApplicationService.java
index d2a5c53..b269966 100644
--- a/src/main/java/com/likelion/innerjoin/post/service/ApplicationService.java
+++ b/src/main/java/com/likelion/innerjoin/post/service/ApplicationService.java
@@ -134,24 +134,22 @@ public ApplicationDto updateApplication(
             throw new UnauthorizedException("권한이 없습니다.");
         }
 
+        MeetingTime meetingTime = meetingTimeRepository.findByMeetingStartTimeAndMeetingEndTimeAndRecruiting(
+                applicationPutRequestDto.getMeetingStartTime(),
+                applicationPutRequestDto.getMeetingEndTime(),
+                application.getRecruiting()
+        );
+        if(meetingTime == null) {
+            throw new MeetingTimeNotFound("면접시간이 존재하지 않습니다.");
+        }
+
         application.setFormResult(applicationPutRequestDto.getFormResult());
         application.setMeetingResult(applicationPutRequestDto.getMeetingResult());
 
-        if(application.getMeetingTime() != null){
-            application.getMeetingTime().setMeetingStartTime(applicationPutRequestDto.getMeetingStartTime());
-            application.getMeetingTime().setMeetingEndTime(applicationPutRequestDto.getMeetingEndTime());
-        }else{
-            // 임시 meetingtime 데이터 만들기
-            MeetingTime meetingTime = new MeetingTime();
-            meetingTime.setMeetingStartTime(applicationPutRequestDto.getMeetingStartTime());
-            meetingTime.setMeetingEndTime(applicationPutRequestDto.getMeetingEndTime());
-            meetingTime.setAllowedNum(1);
-
-            meetingTime.setApplicationList(new ArrayList<>());
-            meetingTime.getApplicationList().add(application);
-
-            application.setMeetingTime(meetingTimeRepository.save(meetingTime));
+        if(meetingTime.getApplicationList().size() >= meetingTime.getAllowedNum() && !meetingTime.getApplicationList().contains(application)){
+            throw new AllowedNumExceededException("허용 인원을 초과하였습니다.");
         }
+        application.setMeetingTime(meetingTime);
 
         applicationRepository.save(application);
         return applicationMapper.toApplicationDto(application, false);