diff --git a/monicar-control-center/src/main/java/org/controlcenter/alarm/application/AlarmService.java b/monicar-control-center/src/main/java/org/controlcenter/alarm/application/AlarmService.java
index afc0d2e..81fe7cd 100644
--- a/monicar-control-center/src/main/java/org/controlcenter/alarm/application/AlarmService.java
+++ b/monicar-control-center/src/main/java/org/controlcenter/alarm/application/AlarmService.java
@@ -136,14 +136,16 @@ public void sendMessageToUser(String userId, String message) {
 
 	public void sendAll(SendAlarm sendAlarm) {
 		sseEmitters.forEach((userId, emitter) -> {
-			System.out.println("sendAll userId = " + userId);
+			System.out.println("Attempting to send to userId = " + userId);
 			try {
-				emitter.send(
-					SseEmitter.event()
-						.name(String.valueOf(sendAlarm.getStatus()))
-						.data(sendAlarm, MediaType.APPLICATION_JSON)
-				);
+				SseEmitter.SseEventBuilder event = SseEmitter.event()
+					.name(String.valueOf(sendAlarm.getStatus()))
+					.data(sendAlarm, MediaType.APPLICATION_JSON);
+				System.out.println("Event data: " + sendAlarm);
+				emitter.send(event);
+				System.out.println("Successfully sent to userId = " + userId);
 			} catch (IOException e) {
+				System.err.println("Error sending to userId = " + userId + ": " + e.getMessage());
 				sseEmitters.remove(userId);
 			}
 		});
diff --git a/monicar-control-center/src/main/java/org/controlcenter/alarm/presentation/AlarmController.java b/monicar-control-center/src/main/java/org/controlcenter/alarm/presentation/AlarmController.java
index b8509a0..39a88cf 100644
--- a/monicar-control-center/src/main/java/org/controlcenter/alarm/presentation/AlarmController.java
+++ b/monicar-control-center/src/main/java/org/controlcenter/alarm/presentation/AlarmController.java
@@ -15,6 +15,7 @@
 import org.springframework.http.MediaType;
 import org.springframework.security.access.prepost.PreAuthorize;
 import org.springframework.security.core.annotation.AuthenticationPrincipal;
+import org.springframework.web.bind.annotation.CrossOrigin;
 import org.springframework.web.bind.annotation.GetMapping;
 import org.springframework.web.bind.annotation.PatchMapping;
 import org.springframework.web.bind.annotation.PathVariable;
@@ -37,7 +38,8 @@ public class AlarmController implements AlarmApi {
 
 	private final AlarmService alarmService;
 
-	@GetMapping(value = "/subscribe", produces = MediaType.TEXT_EVENT_STREAM_VALUE)
+	@CrossOrigin(origins = "*", allowedHeaders = "*")
+	@GetMapping("/subscribe")
 	@PreAuthorize("hasRole('ROLE_USER')")
 	public SseEmitter subscribe(@AuthenticationPrincipal CustomUserDetails user) {
 		return alarmService.subscribe(user.getId());
@@ -64,6 +66,7 @@ public void send(
 		alarmService.newAlarmRequest(alarmId);
 	}
 
+	@CrossOrigin(origins = "*", allowedHeaders = "*")
 	@GetMapping
 	@PreAuthorize("hasRole('ROLE_USER')")
 	public BaseResponse<PageResponse<AlarmResponse>> list(