diff --git a/src/main/java/com/kwcapstone/Service/ConferenceService.java b/src/main/java/com/kwcapstone/Service/ConferenceService.java
index d9b73d2..326c448 100644
--- a/src/main/java/com/kwcapstone/Service/ConferenceService.java
+++ b/src/main/java/com/kwcapstone/Service/ConferenceService.java
@@ -307,7 +307,7 @@ public void saveProject(PrincipalDetails principalDetails, SaveProjectRequestDto
 
             messagingTemplate.convertAndSend(
                     "/topic/conference/" + projectId,
-                    Map.of("event", "save")
+                    Map.of("event", "save") // JSON 형식으로 수정
             );
 
         } catch (IOException e) {