diff --git a/sgzb-modules/sgzb-material/src/main/resources/mapper/base/MaMachineMapper.xml b/sgzb-modules/sgzb-material/src/main/resources/mapper/base/MaMachineMapper.xml
index 3d1082f..da529bd 100644
--- a/sgzb-modules/sgzb-material/src/main/resources/mapper/base/MaMachineMapper.xml
+++ b/sgzb-modules/sgzb-material/src/main/resources/mapper/base/MaMachineMapper.xml
@@ -314,7 +314,7 @@ PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
         select *
         from ma_machine
         where 1=1
-        <if test="maId != null "> and ma_id = #{maId}</if>
+        <if test="maId != 0 "> and ma_id = #{maId}</if>
         <if test="maCode != null  and maCode != ''"> and ma_code = #{maCode}</if>
     </select>
     <select id="getMachineByQrCode" resultType="com.bonus.sgzb.base.api.domain.MaMachine">