diff --git a/nw/src/main/java/lab/cherry/nw/model/QsheetEntity.java b/nw/src/main/java/lab/cherry/nw/model/QsheetEntity.java
index cfee295..b5a4237 100644
--- a/nw/src/main/java/lab/cherry/nw/model/QsheetEntity.java
+++ b/nw/src/main/java/lab/cherry/nw/model/QsheetEntity.java
@@ -61,7 +61,8 @@ public class QsheetEntity implements Serializable {
     private Instant created_at;
 
     @JsonProperty("wedding_date")
-    @JsonFormat(pattern="yyyy-MM-dd hh:mm:ss", locale = "ko_KR", timezone = "Asia/Seoul")
+    @JsonFormat(locale = "ko_KR", timezone = "Asia/Seoul")
+    // @JsonFormat(pattern="yyyy-MM-dd hh:mm:ss", locale = "ko_KR", timezone = "Asia/Seoul")
     @Schema(title = "결혼식 날짜", example = "2023-07-04 12:00:00")
     private String wedding_date;
 
diff --git a/nw/src/main/java/lab/cherry/nw/service/Impl/QsheetServiceImpl.java b/nw/src/main/java/lab/cherry/nw/service/Impl/QsheetServiceImpl.java
index 309c982..f90c763 100644
--- a/nw/src/main/java/lab/cherry/nw/service/Impl/QsheetServiceImpl.java
+++ b/nw/src/main/java/lab/cherry/nw/service/Impl/QsheetServiceImpl.java
@@ -161,7 +161,7 @@ public QsheetEntity createQsheet(QsheetEntity.QsheetCreateDto qsheetCreateDto, L
             .client_confirm(false)
             // .finalConfirm(FinalConfirm.builder().build())
             .created_at(instant)
-            .wedding_date(userCardEntity!=null? userCardEntity.getWeddingDate() : "")
+            .wedding_date(userCardEntity!=null? userCardEntity.getWeddingDate() : null)
             .build();
         qsheetRepository.save(qsheetEntity);
         qsheetLogService.createQsheetLog("create", qsheetEntity);
@@ -259,7 +259,7 @@ public void updateById(String id, QsheetEntity.QsheetUpdateDto qsheetUpdateDto,
 			.org(orgEntity)
 			.user(qsheetEntity.getUser())
 			.created_at(qsheetEntity.getCreated_at())
-            .wedding_date(userCardEntity!=null? userCardEntity.getWeddingDate() : "")
+            .wedding_date(userCardEntity!=null? userCardEntity.getWeddingDate() : null)
 			.data(qsheetUpdateDto.getData()!=null?newItemData:qsheetEntity.getData())
             .org_approver(orgUserEntity)
             .org_confirm(qsheetUpdateDto.isOrg_confirm()==!(qsheetEntity.isOrg_confirm())?qsheetUpdateDto.isOrg_confirm():qsheetEntity.isOrg_confirm())