diff --git a/src/main/java/the/flash/NettyClient.java b/src/main/java/the/flash/NettyClient.java
index c398662..fa64dda 100644
--- a/src/main/java/the/flash/NettyClient.java
+++ b/src/main/java/the/flash/NettyClient.java
@@ -44,6 +44,7 @@ public void initChannel(SocketChannel ch) {
         connect(bootstrap, "juejin.im", 80, MAX_RETRY);
     }
 
+    // 使用退避策略来自动重连
     private static void connect(Bootstrap bootstrap, String host, int port, int retry) {
         bootstrap.connect(host, port).addListener(future -> {
             if (future.isSuccess()) {
@@ -56,6 +57,7 @@ private static void connect(Bootstrap bootstrap, String host, int port, int retr
                 // 本次重连的间隔
                 int delay = 1 << order;
                 System.err.println(new Date() + ": 连接失败，第" + order + "次重连……");
+                // bootstrap.config().group() 返回的就是我们在一开始的时候配置的线程模型 workerGroup，调 workerGroup 的 schedule 方法即可实现定时任务逻辑
                 bootstrap.config().group().schedule(() -> connect(bootstrap, host, port, retry - 1), delay, TimeUnit
                         .SECONDS);
             }