diff --git a/sky-infrastructure/src/main/java/core/http/handler/StaticFileHandler.java b/sky-infrastructure/src/main/java/core/http/handler/StaticFileHandler.java
index 3d94f18..3ba4a82 100644
--- a/sky-infrastructure/src/main/java/core/http/handler/StaticFileHandler.java
+++ b/sky-infrastructure/src/main/java/core/http/handler/StaticFileHandler.java
@@ -118,9 +118,7 @@ public void handle(final HttpServerRequest request, final HttpServerResponse res
         //endregion
 
         prepareHeaders(response, file);
-        response.sendFile(raf, Netty.DEFAULT_CHUNK_SIZE).addListener(f -> {
-            System.out.println("f.cause() = " + f.cause());
-        });
+        response.sendFile(raf, Netty.DEFAULT_CHUNK_SIZE);
     }
 
     @Override