diff --git a/jsowell-netty/src/main/java/com/jsowell/netty/server/NettyServerManager.java b/jsowell-netty/src/main/java/com/jsowell/netty/server/NettyServerManager.java
index e18edb1a7..0e93aa66b 100644
--- a/jsowell-netty/src/main/java/com/jsowell/netty/server/NettyServerManager.java
+++ b/jsowell-netty/src/main/java/com/jsowell/netty/server/NettyServerManager.java
@@ -54,7 +54,7 @@ public class NettyServerManager implements CommandLineRunner {
                         .channel(NioServerSocketChannel.class)
                         .handler(new LoggingHandler(LogLevel.DEBUG))
                         // .option(ChannelOption.SO_BACKLOG, 128) // 默认128
-                        .option(ChannelOption.SO_BACKLOG, 2048)
+                        .option(ChannelOption.SO_BACKLOG, 4096)
                         .option(ChannelOption.ALLOCATOR, PooledByteBufAllocator.DEFAULT) // 启用池化内存分配器
                         // .option(ChannelOption.SO_RCVBUF, 64 * 1024)
                         // .option(ChannelOption.SO_REUSEADDR, true)