diff --git a/ruoyi-admin/src/main/java/com/ruoyi/web/controller/base/BaseAlarmTypeController.java b/ruoyi-admin/src/main/java/com/ruoyi/web/controller/base/BaseAlarmTypeController.java
index 65fdc98..edaf5c3 100644
--- a/ruoyi-admin/src/main/java/com/ruoyi/web/controller/base/BaseAlarmTypeController.java
+++ b/ruoyi-admin/src/main/java/com/ruoyi/web/controller/base/BaseAlarmTypeController.java
@@ -139,11 +139,18 @@ public class BaseAlarmTypeController extends BaseController
      * 选择传感器报警类型树
      */
     @GetMapping(value = { "/selectAlarmTypeTree/{objId}", "/selectAlarmTypeTree/" })
-    public String selectAlarmTypeTree(@PathVariable(value = "objId", required = false) Long objId, ModelMap mmap)
+    public String selectAlarmTypeTree(@PathVariable(value = "objId", required = false) String objId, ModelMap mmap)
     {
+
         if (StringUtils.isNotNull(objId))
         {
-            mmap.put("baseAlarmType", baseAlarmTypeService.selectBaseAlarmTypeByObjId(objId));
+            BaseAlarmType baseAlarmType = new BaseAlarmType();
+            baseAlarmType.setAlarmtypeId(objId);
+            List<BaseAlarmType> baseAlarmTypes = baseAlarmTypeService.selectBaseAlarmTypeList(baseAlarmType);
+            if(baseAlarmTypes.size() > 0){
+                mmap.put("baseAlarmType", baseAlarmTypeService.selectBaseAlarmTypeByObjId(baseAlarmTypes.get(0).getObjId()));
+            }
+
         }
         return prefix + "/tree";
     }
diff --git a/ruoyi-system/src/main/resources/mapper/system/BaseAlarmTypeMapper.xml b/ruoyi-system/src/main/resources/mapper/system/BaseAlarmTypeMapper.xml
index 198ecf3..3c89301 100644
--- a/ruoyi-system/src/main/resources/mapper/system/BaseAlarmTypeMapper.xml
+++ b/ruoyi-system/src/main/resources/mapper/system/BaseAlarmTypeMapper.xml
@@ -33,9 +33,9 @@ PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
     </select>
     
     <select id="selectBaseAlarmTypeByObjId" parameterType="Long" resultMap="BaseAlarmTypeResult">
-        select t.ObjId, t.alarmType_Id, t.alarmType_Name, t.parent_Id, t.Enable_Flag, t.Create_By, t.Create_Time, t.Update_By, t.Update_Time, p.alarmType_Name as parent_name
+        select t.ObjId, t.alarmType_Id, t.alarmType_Name, t.parent_Id,p.alarmType_Name as parent_name, t.Enable_Flag, t.Create_By, t.Create_Time, t.Update_By, t.Update_Time, p.alarmType_Name as parent_name
         from base_alarm_type t
-        left join base_alarm_type p on p.ObjId = t.parent_Id
+        left join base_alarm_type p on p.alarmType_Id = t.parent_Id
         where t.ObjId = #{objId}
     </select>