diff --git a/src/main/resources/mybatis/project/ItemMapper.xml b/src/main/resources/mybatis/project/ItemMapper.xml
index 31c7895..3e686f5 100644
--- a/src/main/resources/mybatis/project/ItemMapper.xml
+++ b/src/main/resources/mybatis/project/ItemMapper.xml
@@ -21,11 +21,6 @@
         from item
     </sql>
 
-    <sql id="selectItemVo1">
-        select case_no, item_no, item_type, brand, number, price, source, creat_time
-        from item
-    </sql>
-
     <select id="selectItemById" parameterType="Integer" resultMap="ItemResult">
         <include refid="selectItemVo"/>
         where id = #{id}