diff --git a/ruoyi-admin/src/main/resources/mapper/erp/ErpMaterialMapper.xml b/ruoyi-admin/src/main/resources/mapper/erp/ErpMaterialMapper.xml
index 4ef8bdf7..7753afbf 100644
--- a/ruoyi-admin/src/main/resources/mapper/erp/ErpMaterialMapper.xml
+++ b/ruoyi-admin/src/main/resources/mapper/erp/ErpMaterialMapper.xml
@@ -87,7 +87,7 @@ PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
         <where>  
             <if test="createBy != null  and createBy != ''"> and erp.create_by = #{createBy}</if>
             <if test="params.beginCreateTime != null and params.beginCreateTime != '' and params.endCreateTime != null and params.endCreateTime != ''"> and erp.create_time between #{params.beginCreateTime} and #{params.endCreateTime}</if>
-            <if test="params.materialNo != null  and params.materialNo != ''"> and erp.material_no like concat('%', #{params.materialNo}, '%')</if>
+            <if test="params.materialNo != null  and params.materialNo != ''"> and erp.material_no like concat( #{params.materialNo}, '%')</if>
             <if test="materialNo != null  and materialNo != ''"> and erp.material_no like concat(#{materialNo}, '%')</if>
             <if test="bomNo != null  and bomNo != ''"> and erp.bomNo = #{bomNo}</if>
             <if test="materialName != null  and materialName != ''"> and erp.material_name like concat('%', #{materialName}, '%')</if>