diff --git a/casic-alarm/src/main/java/com/casic/missiles/modular/alarm/controller/AlarmLevelController.java b/casic-alarm/src/main/java/com/casic/missiles/modular/alarm/controller/AlarmLevelController.java
index 42089e8..b4c3359 100644
--- a/casic-alarm/src/main/java/com/casic/missiles/modular/alarm/controller/AlarmLevelController.java
+++ b/casic-alarm/src/main/java/com/casic/missiles/modular/alarm/controller/AlarmLevelController.java
@@ -23,6 +23,7 @@
 
 import javax.annotation.Resource;
 import java.util.*;
+import java.util.stream.Collectors;
 
 
 /**
@@ -71,7 +72,7 @@
                 continue;
             }
             String deviceTypeName = EhcacheConstant.retBean().getDeviceTypeNameById(deviceTypeNum);
-            List<Map<String, Object>> levels = alarmLevelService.getLevelList(tenantId,deviceTypeNum);
+            List<Map<String, Object>> levels = alarmLevelService.getLevelList(tenantId, deviceTypeNum);
             levels.forEach(
                     levelMap -> {
                         levelMap.put("deviceType", deviceType);
@@ -80,7 +81,11 @@
                     }
             );
         }
-        return ResponseData.success(levelList);
+
+        ArrayList<Map<String, Object>>  distinctList= levelList.stream().collect(Collectors.collectingAndThen(
+                Collectors.toCollection(() -> new TreeSet<>(
+                        Comparator.comparing(e->String.valueOf(e.get("deviceType"))))), ArrayList::new));
+        return ResponseData.success(distinctList);
     }
 
     /**
@@ -134,8 +139,8 @@
 
     @RequestMapping(value = "/level/add", method = RequestMethod.POST)
     @ResponseBody
-    public Object add( AlarmLevelParam alarmLevelParam) {
-        if(ObjectUtils.isEmpty(alarmLevelParam.getTenantId())){
+    public Object add(AlarmLevelParam alarmLevelParam) {
+        if (ObjectUtils.isEmpty(alarmLevelParam.getTenantId())) {
             AuthUser currUser = permissionService.getAuthService().getLoginUser();
             alarmLevelParam.setTenantId(currUser.getId());
         }