diff --git a/bonus-modules/bonus-base/src/main/resources/mapper/base/TbDeviceMapper.xml b/bonus-modules/bonus-base/src/main/resources/mapper/base/TbDeviceMapper.xml
index 6ab9046..ac51716 100644
--- a/bonus-modules/bonus-base/src/main/resources/mapper/base/TbDeviceMapper.xml
+++ b/bonus-modules/bonus-base/src/main/resources/mapper/base/TbDeviceMapper.xml
@@ -233,12 +233,12 @@
 
   <select id="getSensingDevice" resultType="com.bonus.screen.vo.DeviceViewVo">
     select count(1) as deviceTotal,
-           count(dev_type = #{param1.code}) as baseSafetyHat,
-           count(dev_type = #{param2.code}) as baseEnvironmentMonitor,
-           count(dev_type = #{param3.code}) as basePitMonitor,
-           count(dev_type = #{param4.code}) as towerRakeMonitor,
-           count(dev_type = #{param5.code}) as towerWaterMonitor,
-           count(dev_type = #{param6.code}) as leadStrainMonitor
+           count(CASE WHEN dev_type = #{param1.code} THEN 1 END) as baseSafetyHat,
+           count(CASE WHEN dev_type = #{param2.code} THEN 1 END) as baseEnvironmentMonitor,
+           count(CASE WHEN dev_type = #{param3.code} THEN 1 END) as basePitMonitor,
+           count(CASE WHEN dev_type = #{param4.code} THEN 1 END) as towerRakeMonitor,
+           count(CASE WHEN dev_type = #{param5.code} THEN 1 END) as towerWaterMonitor,
+           count(CASE WHEN dev_type = #{param6.code} THEN 1 END) as leadStrainMonitor
     from tb_device
     where del_flag = 0
   </select>