diff --git a/jsowell-netty/src/main/java/com/jsowell/netty/server/yunkuaichong/NettyServer.java b/jsowell-netty/src/main/java/com/jsowell/netty/server/yunkuaichong/NettyServer.java
index dcd3cf0c0..bf01b9f9b 100644
--- a/jsowell-netty/src/main/java/com/jsowell/netty/server/yunkuaichong/NettyServer.java
+++ b/jsowell-netty/src/main/java/com/jsowell/netty/server/yunkuaichong/NettyServer.java
@@ -66,7 +66,7 @@ public class NettyServer implements CommandLineRunner {
 			}
 
 			// 关闭channel和块，直到它被关闭 （若取消注释，则 MQTT 服务器无法启动）
-			// future.channel().closeFuture().sync();
+			future.channel().closeFuture().sync();
 		} catch (Exception e) {
 			log.error("NettyServer.start error", e);
 			bossGroup.shutdownGracefully();