diff --git a/ruoyi-system/src/main/resources/mapper/tyre/BizMaintenanceOrderMapper.xml b/ruoyi-system/src/main/resources/mapper/tyre/BizMaintenanceOrderMapper.xml
index 5e78608f..02782331 100644
--- a/ruoyi-system/src/main/resources/mapper/tyre/BizMaintenanceOrderMapper.xml
+++ b/ruoyi-system/src/main/resources/mapper/tyre/BizMaintenanceOrderMapper.xml
@@ -65,7 +65,7 @@ PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
         <where>
             <if test="orderNo != null  and orderNo != ''"> and order_no = #{orderNo}</if>
             <if test="vehicleId != null "> and vehicle_id = #{vehicleId}</if>
-            <if test="plateNumber != null  and plateNumber != ''"> and plate_number = #{plateNumber}</if>
+            <if test="plateNumber != null  and plateNumber != ''"> and plate_number like concat('%', #{plateNumber}, '%')</if>
             <if test="typeCode == null  or typeCode == ''"> and type_code in ('1','4')</if>
             <if test="typeCode != null  and typeCode != ''"> and type_code = #{typeCode}</if>
             <if test="factoryId != null "> and factory_id = #{factoryId}</if>