diff --git a/DuDoong-Api/src/main/java/band/gosrock/api/event/model/dto/request/CreateEventRequest.java b/DuDoong-Api/src/main/java/band/gosrock/api/event/model/dto/request/CreateEventRequest.java
index e680dcbb..fd6bdbcc 100644
--- a/DuDoong-Api/src/main/java/band/gosrock/api/event/model/dto/request/CreateEventRequest.java
+++ b/DuDoong-Api/src/main/java/band/gosrock/api/event/model/dto/request/CreateEventRequest.java
@@ -4,6 +4,7 @@
 import band.gosrock.common.annotation.DateFormat;
 import io.swagger.v3.oas.annotations.media.Schema;
 import java.time.LocalDateTime;
+import javax.validation.constraints.Future;
 import javax.validation.constraints.NotBlank;
 import javax.validation.constraints.NotNull;
 import javax.validation.constraints.Positive;
@@ -19,7 +20,7 @@ public class CreateEventRequest {
     private Long hostId;
 
     @Schema(defaultValue = "고스락 제 22회 정기공연", description = "공연 이름")
-    @NotBlank(message = "공연 이름을 입력하세요")
+    @NotBlank(message = "공연 이름을 입력하세요.")
     @Length(max = 25)
     private String name;
 
@@ -28,11 +29,12 @@ public class CreateEventRequest {
             pattern = "yyyy.MM.dd HH:mm",
             defaultValue = "2023.03.20 12:00",
             description = "공연 시작 시각")
-    @NotNull(message = "공연 시작 시각을 입력하세요")
+    @NotNull(message = "공연 시작 시각을 입력하세요.")
+    @Future(message = "공연 시작 시각은 현재보다 이후여야 합니다.")
     @DateFormat
     private LocalDateTime startAt;
 
     @Schema(defaultValue = "90", description = "공연 진행시간")
-    @Positive(message = "공연 진행 예상 소요시간(분)을 입력하세요")
+    @Positive(message = "공연 진행 예상 소요시간(분)을 입력하세요.")
     private Long runTime;
 }
diff --git a/DuDoong-Api/src/main/java/band/gosrock/api/event/model/dto/request/UpdateEventBasicRequest.java b/DuDoong-Api/src/main/java/band/gosrock/api/event/model/dto/request/UpdateEventBasicRequest.java
index 0bffbd1e..4a934693 100644
--- a/DuDoong-Api/src/main/java/band/gosrock/api/event/model/dto/request/UpdateEventBasicRequest.java
+++ b/DuDoong-Api/src/main/java/band/gosrock/api/event/model/dto/request/UpdateEventBasicRequest.java
@@ -4,6 +4,7 @@
 import band.gosrock.common.annotation.DateFormat;
 import io.swagger.v3.oas.annotations.media.Schema;
 import java.time.LocalDateTime;
+import javax.validation.constraints.Future;
 import javax.validation.constraints.NotBlank;
 import javax.validation.constraints.NotNull;
 import javax.validation.constraints.Positive;
@@ -25,6 +26,7 @@ public class UpdateEventBasicRequest {
             defaultValue = "2023.03.20 12:00",
             description = "공연 시작 시각")
     @NotNull(message = "공연 시작 시각을 입력하세요")
+    @Future(message = "공연 시작 시각은 현재보다 이후여야 합니다.")
     @DateFormat
     private LocalDateTime startAt;
 
diff --git a/DuDoong-Api/src/main/java/band/gosrock/api/event/model/mapper/EventMapper.java b/DuDoong-Api/src/main/java/band/gosrock/api/event/model/mapper/EventMapper.java
index 5208c419..c7eca8b8 100644
--- a/DuDoong-Api/src/main/java/band/gosrock/api/event/model/mapper/EventMapper.java
+++ b/DuDoong-Api/src/main/java/band/gosrock/api/event/model/mapper/EventMapper.java
@@ -19,7 +19,6 @@
 import org.springframework.data.domain.Page;
 import org.springframework.data.domain.Pageable;
 import org.springframework.data.domain.Slice;
-import org.springframework.transaction.annotation.Transactional;
 
 @Mapper
 @RequiredArgsConstructor
@@ -29,7 +28,6 @@ public class EventMapper {
     private final EventAdaptor eventAdaptor;
     private final TicketItemAdaptor ticketItemAdaptor;
 
-    @Transactional(readOnly = true)
     public Event toEntity(CreateEventRequest createEventRequest) {
         return Event.builder()
                 .hostId(createEventRequest.getHostId())