diff --git a/dk-modules/sample/src/main/java/org/dromara/sample/manage/controller/MegaphoneController.java b/dk-modules/sample/src/main/java/org/dromara/sample/manage/controller/MegaphoneController.java
index 2a8c9a6..1ade38a 100644
--- a/dk-modules/sample/src/main/java/org/dromara/sample/manage/controller/MegaphoneController.java
+++ b/dk-modules/sample/src/main/java/org/dromara/sample/manage/controller/MegaphoneController.java
@@ -304,7 +304,7 @@ public class MegaphoneController {
                             map.put("labelEn",type);
                             map.put("deviceSn",objectMap.get("deviceSn"));
                             StreamTypeDTO param1 = Convert.convert(StreamTypeDTO.class, map);
-                            gatewayPublish.publish(top,new CommonTopicRequest<>()
+                            gatewayPublish.publish(topTow,new CommonTopicRequest<>()
                                 .setData(Objects.requireNonNull(param1)),1);
                         }
                     }
@@ -348,7 +348,7 @@ public class MegaphoneController {
                         map.put("labelEn",type);
                         map.put("deviceSn",objectMap.get("deviceSn"));
                         StreamTypeDTO param1 = Convert.convert(StreamTypeDTO.class, map);
-                        gatewayPublish.publish(top,new CommonTopicRequest<>()
+                        gatewayPublish.publish(topTow,new CommonTopicRequest<>()
                             .setData(Objects.requireNonNull(param1)),1);
                     }
                 }