diff --git a/yudao-module-iot/yudao-module-iot-gateway/src/main/java/cn/iocoder/yudao/module/iot/gateway/config/IotGatewayProperties.java b/yudao-module-iot/yudao-module-iot-gateway/src/main/java/cn/iocoder/yudao/module/iot/gateway/config/IotGatewayProperties.java
index 7684972d29..2c2000fd1f 100644
--- a/yudao-module-iot/yudao-module-iot-gateway/src/main/java/cn/iocoder/yudao/module/iot/gateway/config/IotGatewayProperties.java
+++ b/yudao-module-iot/yudao-module-iot-gateway/src/main/java/cn/iocoder/yudao/module/iot/gateway/config/IotGatewayProperties.java
@@ -353,7 +353,6 @@ public class IotGatewayProperties {
          * 连接超时时间（秒）
          */
         private Integer connectTimeoutSeconds = 60;
-
         /**
          * 保持连接超时时间（秒）
          */
@@ -363,7 +362,6 @@ public class IotGatewayProperties {
          * 是否启用 SSL
          */
         private Boolean sslEnabled = false;
-
         /**
          * SSL 配置
          */
@@ -379,27 +377,22 @@ public class IotGatewayProperties {
              * 密钥证书选项
              */
             private io.vertx.core.net.KeyCertOptions keyCertOptions;
-
             /**
              * 信任选项
              */
             private io.vertx.core.net.TrustOptions trustOptions;
-
             /**
              * SSL 证书路径
              */
             private String certPath;
-
             /**
              * SSL 私钥路径
              */
             private String keyPath;
-
             /**
              * 信任存储路径
              */
             private String trustStorePath;
-
             /**
              * 信任存储密码
              */
diff --git a/yudao-module-iot/yudao-module-iot-gateway/src/main/java/cn/iocoder/yudao/module/iot/gateway/protocol/mqtt/IotMqttUpstreamProtocol.java b/yudao-module-iot/yudao-module-iot-gateway/src/main/java/cn/iocoder/yudao/module/iot/gateway/protocol/mqtt/IotMqttUpstreamProtocol.java
index 92ffaedd4b..0d1203abe9 100644
--- a/yudao-module-iot/yudao-module-iot-gateway/src/main/java/cn/iocoder/yudao/module/iot/gateway/protocol/mqtt/IotMqttUpstreamProtocol.java
+++ b/yudao-module-iot/yudao-module-iot-gateway/src/main/java/cn/iocoder/yudao/module/iot/gateway/protocol/mqtt/IotMqttUpstreamProtocol.java
@@ -50,6 +50,7 @@ public class IotMqttUpstreamProtocol {
         this.serverId = IotDeviceMessageUtils.generateServerId(mqttProperties.getPort());
     }
 
+    // TODO @haohao：这里的编写，是不是和 tcp 对应的，风格保持一致哈；
     @PostConstruct
     public void start() {
         // 创建服务器选项
diff --git a/yudao-module-iot/yudao-module-iot-gateway/src/main/java/cn/iocoder/yudao/module/iot/gateway/protocol/mqtt/manager/IotMqttConnectionManager.java b/yudao-module-iot/yudao-module-iot-gateway/src/main/java/cn/iocoder/yudao/module/iot/gateway/protocol/mqtt/manager/IotMqttConnectionManager.java
index 11432bc248..eed377535a 100644
--- a/yudao-module-iot/yudao-module-iot-gateway/src/main/java/cn/iocoder/yudao/module/iot/gateway/protocol/mqtt/manager/IotMqttConnectionManager.java
+++ b/yudao-module-iot/yudao-module-iot-gateway/src/main/java/cn/iocoder/yudao/module/iot/gateway/protocol/mqtt/manager/IotMqttConnectionManager.java
@@ -46,7 +46,9 @@ public class IotMqttConnectionManager {
             }
         } catch (Exception e) {
             // 忽略异常，返回默认值
+            // TODO @haohao：这个比较稳定会出现哇？
         }
+        // TODO @haohao：这个要枚举下么？
         return "unknown";
     }
 
@@ -194,4 +196,5 @@ public class IotMqttConnectionManager {
         private boolean authenticated;
 
     }
+
 }
diff --git a/yudao-module-iot/yudao-module-iot-gateway/src/main/java/cn/iocoder/yudao/module/iot/gateway/protocol/mqtt/router/IotMqttDownstreamHandler.java b/yudao-module-iot/yudao-module-iot-gateway/src/main/java/cn/iocoder/yudao/module/iot/gateway/protocol/mqtt/router/IotMqttDownstreamHandler.java
index 6714c64115..c848833f66 100644
--- a/yudao-module-iot/yudao-module-iot-gateway/src/main/java/cn/iocoder/yudao/module/iot/gateway/protocol/mqtt/router/IotMqttDownstreamHandler.java
+++ b/yudao-module-iot/yudao-module-iot-gateway/src/main/java/cn/iocoder/yudao/module/iot/gateway/protocol/mqtt/router/IotMqttDownstreamHandler.java
@@ -69,7 +69,6 @@ public class IotMqttDownstreamHandler {
 
             // 5. 发送消息到设备
             return sendMessageToDevice(message, connectionInfo, payload);
-
         } catch (Exception e) {
             if (message != null) {
                 log.error("[handleDownstreamMessage][处理下行消息异常，设备 ID：{}，错误：{}]",
diff --git a/yudao-module-iot/yudao-module-iot-gateway/src/main/java/cn/iocoder/yudao/module/iot/gateway/protocol/mqtt/router/IotMqttUpstreamHandler.java b/yudao-module-iot/yudao-module-iot-gateway/src/main/java/cn/iocoder/yudao/module/iot/gateway/protocol/mqtt/router/IotMqttUpstreamHandler.java
index 5ce691293c..9714e9104f 100644
--- a/yudao-module-iot/yudao-module-iot-gateway/src/main/java/cn/iocoder/yudao/module/iot/gateway/protocol/mqtt/router/IotMqttUpstreamHandler.java
+++ b/yudao-module-iot/yudao-module-iot-gateway/src/main/java/cn/iocoder/yudao/module/iot/gateway/protocol/mqtt/router/IotMqttUpstreamHandler.java
@@ -40,6 +40,7 @@ public class IotMqttUpstreamHandler {
 
     public IotMqttUpstreamHandler(IotMqttUpstreamProtocol protocol,
                                   IotDeviceMessageService deviceMessageService,
+                                  // TODO @haohao：用不到的 deviceService 可以删除哈；
                                   IotDeviceService deviceService,
                                   IotMqttConnectionManager connectionManager) {
         this.deviceMessageService = deviceMessageService;
@@ -70,6 +71,7 @@ public class IotMqttUpstreamHandler {
 
         log.info("[handle][设备认证成功，建立连接，客户端 ID: {}，用户名: {}]", clientId, username);
 
+        // TODO @haohao：这里是不是少了序号哈？
         // 设置异常和关闭处理器
         endpoint.exceptionHandler(ex -> {
             log.warn("[handle][连接异常，客户端 ID: {}，地址: {}]", clientId, getEndpointAddress(endpoint));