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 144f1bf..382f4e8 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
@@ -29,7 +29,6 @@ import org.jeecg.modules.appmana.service.*;
 import org.jeecg.modules.appmana.service.impl.IotCommonP3ServiceImpl;
 import org.jeecg.modules.appmana.utils.Iotutils;
 import org.jeecg.modules.appmana.utils.YSUtils;
-import org.jeecg.modules.mqtt.MqttService;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.web.bind.annotation.*;
 import org.springframework.web.servlet.ModelAndView;