diff --git a/zh-module-applet/zh-applet-admin/src/main/java/org/jeecg/modules/appmana/controller/SurvDeviceDeployController.java b/zh-module-applet/zh-applet-admin/src/main/java/org/jeecg/modules/appmana/controller/SurvDeviceDeployController.java
index 382f4e8..f591d28 100644
--- a/zh-module-applet/zh-applet-admin/src/main/java/org/jeecg/modules/appmana/controller/SurvDeviceDeployController.java
+++ b/zh-module-applet/zh-applet-admin/src/main/java/org/jeecg/modules/appmana/controller/SurvDeviceDeployController.java
@@ -40,8 +40,9 @@ import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.Date;
 import java.util.List;
+import java.util.stream.Collectors;
 
- /**
+/**
  * @Description: surv_device_deploy
  * @Author: jeecg-boot
  * @Date:   2023-06-24
@@ -436,7 +437,12 @@ public class SurvDeviceDeployController extends JeecgController<SurvDeviceDeploy
 					 }
 				 }
 				 //拉取完后，顺便触发一次查询所有继电器和运行状态
-					boolean b=  p3Service.sendMqttDeviceQuery(deploy,variables);
+				 if(!variables.isEmpty()) {
+					 List<String> fianlVariables = variables.stream()
+							 .distinct()
+							 .collect(Collectors.toList());
+					 boolean b = p3Service.sendMqttDeviceQuery(deploy, fianlVariables);
+				 }
 				 break;
 			 default:
 				 List<SurvDeviceDeployRelay> pageList = relayService.relayList(deployId,null);