diff --git a/dap-gateway/src/main/java/io/shinhanlife/dap/mcg/sync/CustomWebMvcSseServerTransportProvider.java b/dap-gateway/src/main/java/io/shinhanlife/dap/mcg/sync/CustomWebMvcSseServerTransportProvider.java
index 05d7b1a8..5ca89646 100644
--- a/dap-gateway/src/main/java/io/shinhanlife/dap/mcg/sync/CustomWebMvcSseServerTransportProvider.java
+++ b/dap-gateway/src/main/java/io/shinhanlife/dap/mcg/sync/CustomWebMvcSseServerTransportProvider.java
@@ -179,7 +179,7 @@ public class CustomWebMvcSseServerTransportProvider implements McpServerTranspor
             log.info("Message sent to session handler");
             
             if (emitter != null && !map.containsKey("id")) {
-                // emitter.complete();
+                emitter.complete();
                 log.info("Completed emitter for notification (disabled for keep-alive)");
             }