diff --git a/bonus-modules/bonus-smart-canteen/src/main/resources/mapper/kitchen/KitchenSampleDishesRecordMapper.xml b/bonus-modules/bonus-smart-canteen/src/main/resources/mapper/kitchen/KitchenSampleDishesRecordMapper.xml
index 0e22717..4c3f0b1 100644
--- a/bonus-modules/bonus-smart-canteen/src/main/resources/mapper/kitchen/KitchenSampleDishesRecordMapper.xml
+++ b/bonus-modules/bonus-smart-canteen/src/main/resources/mapper/kitchen/KitchenSampleDishesRecordMapper.xml
@@ -90,7 +90,7 @@ PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
                 and ksdr.sample_save_time  <![CDATA[ >= ]]> #{startDateTime}
             </if>
             <if test="endDateTime != null">
-                and ksdr.sample_save_time  <![CDATA[ <= ]]> #{endDateTime}
+                and ksdr.sample_save_time  <![CDATA[ < ]]> #{endDateTime}
             </if>
         </where>
         order by ksdr.record_id desc