diff --git a/fys-modules/fys-equipment/src/main/resources/mapper/equipment/DeviceLogMapper.xml b/fys-modules/fys-equipment/src/main/resources/mapper/equipment/DeviceLogMapper.xml
index e0946b8a..d0d9fffb 100644
--- a/fys-modules/fys-equipment/src/main/resources/mapper/equipment/DeviceLogMapper.xml
+++ b/fys-modules/fys-equipment/src/main/resources/mapper/equipment/DeviceLogMapper.xml
@@ -13,8 +13,8 @@ PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
         a.content,
         a.create_time AS createTime
         FROM
-        device_log a left join device b on a.device_id = b.id
-        left join device_type c on b.device_type = c.id
+        device_log a inner join device b on a.device_id = b.id
+        inner join device_type c on b.device_type = c.id
         WHERE 1 = 1
         <if test="bo.deviceType != null">
             AND c.id = #{bo.deviceType}