diff --git a/src/main/java/com/lion/lionwebsite/Message/MessageCodec.java b/src/main/java/com/lion/lionwebsite/Message/MessageCodec.java
index 08025f2..04f8cd0 100644
--- a/src/main/java/com/lion/lionwebsite/Message/MessageCodec.java
+++ b/src/main/java/com/lion/lionwebsite/Message/MessageCodec.java
@@ -45,7 +45,6 @@ public class MessageCodec extends ByteToMessageCodec<AbstractMessage> {
             case AbstractMessage.MAINTAIN_MESSAGE -> objectMapper.readValue(metadata, MaintainMessage.class);
             case AbstractMessage.AVAILABLE_CHECK_MESSAGE -> objectMapper.readValue(metadata, AvailableCheckMessage.class);
             case AbstractMessage.SUBSCRIPTION_SNAPSHOT_MESSAGE -> objectMapper.readValue(metadata, SubscriptionSnapshotMessage.class);
-            case AbstractMessage.SUBSCRIPTION_SNAPSHOT_MESSAGE -> objectMapper.readValue(metadata, SubscriptionSnapshotMessage.class);
             default -> null;
         };