diff --git a/src/main/java/com/deepdirect/deepwebide_be/chat/controller/ChatWebSocketController.java b/src/main/java/com/deepdirect/deepwebide_be/chat/controller/ChatWebSocketController.java
index 83ede51..652d62d 100644
--- a/src/main/java/com/deepdirect/deepwebide_be/chat/controller/ChatWebSocketController.java
+++ b/src/main/java/com/deepdirect/deepwebide_be/chat/controller/ChatWebSocketController.java
@@ -38,6 +38,6 @@ public void sendMessage(
         ChatMessageBroadcast broadcast = chatMessageWriteService.saveChatMessage(userId, request);
 
         // 3. Redis 채널로 publish
-        redisPublisher.publish("chatroom:" + request.getRepositoryId(), broadcast);
+        redisPublisher.publish("chat:" + request.getRepositoryId(), broadcast);
     }
 }
\ No newline at end of file
diff --git a/src/main/java/com/deepdirect/deepwebide_be/chat/dto/response/ChatMessageBroadcast.java b/src/main/java/com/deepdirect/deepwebide_be/chat/dto/response/ChatMessageBroadcast.java
index 3c69221..4f88248 100644
--- a/src/main/java/com/deepdirect/deepwebide_be/chat/dto/response/ChatMessageBroadcast.java
+++ b/src/main/java/com/deepdirect/deepwebide_be/chat/dto/response/ChatMessageBroadcast.java
@@ -5,7 +5,6 @@
 import com.deepdirect.deepwebide_be.member.domain.User;
 import io.swagger.v3.oas.annotations.media.Schema;
 import lombok.*;
-import org.springframework.stereotype.Service;
 
 import java.time.LocalDateTime;
 
@@ -41,11 +40,11 @@ public class ChatMessageBroadcast {
     @Schema(description = "보낸 시간")
     private LocalDateTime sentAt;
 
-    @Schema(description = "내 메시지 여부", name = "IsMine")
-    private boolean isMine;
+    @Schema(description = "내 메시지 여부")
+    private boolean IsMine;
 
 
-    public static ChatMessageBroadcast of(ChatMessage message, User sender, Long repositoryId, CodeReferenceResponse codeReference) {
+    public static ChatMessageBroadcast of(ChatMessage message, User sender, Long repositoryId, CodeReferenceResponse codeReference, Long currentUserId) {
         return ChatMessageBroadcast.builder()
                 .repositoryId(repositoryId)
                 .type(ChatMessageType.CHAT) //일반 채팅
@@ -56,7 +55,7 @@ public static ChatMessageBroadcast of(ChatMessage message, User sender, Long rep
                 .message(message.getMessage())
                 .codeReference(codeReference)
                 .sentAt(message.getSentAt())
-                .isMine(false)
+                .IsMine(sender.getId().equals(currentUserId))
                 .build();
     }
 
@@ -71,7 +70,7 @@ public static ChatMessageBroadcast system(User user, ChatMessageType type, Strin
                 .message(message)
                 .codeReference(null)
                 .sentAt(LocalDateTime.now())
-                .isMine(false)
+                .IsMine(false)
                 .build();
     }
 }
\ No newline at end of file
diff --git a/src/main/java/com/deepdirect/deepwebide_be/chat/service/ChatMessageWriteService.java b/src/main/java/com/deepdirect/deepwebide_be/chat/service/ChatMessageWriteService.java
index 1710e41..93c6693 100644
--- a/src/main/java/com/deepdirect/deepwebide_be/chat/service/ChatMessageWriteService.java
+++ b/src/main/java/com/deepdirect/deepwebide_be/chat/service/ChatMessageWriteService.java
@@ -73,6 +73,6 @@ public ChatMessageBroadcast saveChatMessage(Long userId, ChatMessageRequest requ
         // 3. 응답 DTO 변환
         CodeReferenceResponse codeReferenceResponse = reference != null ? CodeReferenceResponse.from(reference) : null;
 
-        return ChatMessageBroadcast.of(chatMessage, sender, repositoryId, codeReferenceResponse);
+        return ChatMessageBroadcast.of(chatMessage, sender, repositoryId, codeReferenceResponse, userId);
     }
 }
diff --git a/src/main/java/com/deepdirect/deepwebide_be/chat/util/RedisSubscriber.java b/src/main/java/com/deepdirect/deepwebide_be/chat/util/RedisSubscriber.java
index a8e91c1..2d0f97c 100644
--- a/src/main/java/com/deepdirect/deepwebide_be/chat/util/RedisSubscriber.java
+++ b/src/main/java/com/deepdirect/deepwebide_be/chat/util/RedisSubscriber.java
@@ -4,7 +4,6 @@
 import com.deepdirect.deepwebide_be.chat.dto.response.ChatSystemMessageResponse;
 import com.fasterxml.jackson.databind.JsonNode;
 import com.fasterxml.jackson.databind.ObjectMapper;
-import io.sentry.Sentry;
 import lombok.RequiredArgsConstructor;
 import lombok.extern.slf4j.Slf4j;
 import org.springframework.data.redis.connection.Message;
@@ -45,7 +44,7 @@ public void onMessage(Message message, byte[] pattern) {
                         .message(broadcast.getMessage())
                         .codeReference(broadcast.getCodeReference())
                         .sentAt(broadcast.getSentAt())
-                        .isMine(false)
+                        .IsMine(false)
                         .build();
 
                 messagingTemplate.convertAndSend("/sub/repositories/" + repositoryId + "/chat", response);
diff --git a/src/main/java/com/deepdirect/deepwebide_be/global/config/RedisConfig.java b/src/main/java/com/deepdirect/deepwebide_be/global/config/RedisConfig.java
index d9de65b..8bb047c 100644
--- a/src/main/java/com/deepdirect/deepwebide_be/global/config/RedisConfig.java
+++ b/src/main/java/com/deepdirect/deepwebide_be/global/config/RedisConfig.java
@@ -25,7 +25,7 @@ public class RedisConfig {
     public RedisMessageListenerContainer redisMessageListenerContainer() {
         RedisMessageListenerContainer container = new RedisMessageListenerContainer();
         container.setConnectionFactory(connectionFactory);
-        container.addMessageListener(redisSubscriber, new PatternTopic("chat:*"));
+//        container.addMessageListener(redisSubscriber, new PatternTopic("chat:*"));
         return container;
     }