From 5e0d43d3e85a440ce49856aeeed1adc7de78f62c Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Mr=C2=B7x?= <as2252258@163.com>
Date: Tue, 15 Dec 2020 17:38:53 +0800
Subject: [PATCH] =?UTF-8?q?=E6=94=B9=E5=90=8D?=
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---
 HttpServer/Events/OnMessage.php | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/HttpServer/Events/OnMessage.php b/HttpServer/Events/OnMessage.php
index 1285e112..33eada8a 100644
--- a/HttpServer/Events/OnMessage.php
+++ b/HttpServer/Events/OnMessage.php
@@ -36,7 +36,9 @@ class OnMessage extends Callback
 					$event->trigger(Event::EVENT_AFTER_REQUEST);
 				});
 				$content = $this->resolve($event, $frame, $server);
-				$server->send($frame->fd, $content);
+				if (!empty($content)) {
+					$server->send($frame->fd, $content);
+				}
 			}
 		} catch (\Throwable $exception) {
 			$this->addError($exception->getMessage(), 'websocket');