diff --git a/fys-modules/fys-equipment/src/main/resources/mapper/equipment/DeviceMapper.xml b/fys-modules/fys-equipment/src/main/resources/mapper/equipment/DeviceMapper.xml
index 68f7d0a1..38600bce 100644
--- a/fys-modules/fys-equipment/src/main/resources/mapper/equipment/DeviceMapper.xml
+++ b/fys-modules/fys-equipment/src/main/resources/mapper/equipment/DeviceMapper.xml
@@ -478,7 +478,7 @@
             d.type_name AS deviceName,
             COUNT(*) AS frequency
         FROM device_log dl
-        LEFT JOIN device d ON dl.device_id = d.id
+        INNER JOIN device d ON dl.device_id = d.id
         WHERE dl.create_time >= DATE_SUB(NOW(), INTERVAL #{days} DAY)
         GROUP BY d.device_type, d.type_name
         ORDER BY frequency DESC