【回滚】 代码注释回滚

zd-modules/zd-modules-laboratory/src/main/java/com/zd/laboratory/mqtt/config/MqttConfig.java

@@ -60,8 +60,8 @@ public class MqttConfig {
     @Value("${mqtt.url}")
     private String url;
 
-    /*@Value("${mqtt.defaultTopic}")
-    private String defaultTopic;*/
+    @Value("${mqtt.defaultTopic}")
+    private String defaultTopic;
 
     @Value("${mqtt.producer.clientId}")
     private String producerClientId;