diff --git a/src/main/resources/mapper/part/mapperXml/PartMapper.xml b/src/main/resources/mapper/part/mapperXml/PartMapper.xml
index 1ed0718..acf5676 100644
--- a/src/main/resources/mapper/part/mapperXml/PartMapper.xml
+++ b/src/main/resources/mapper/part/mapperXml/PartMapper.xml
@@ -261,7 +261,7 @@
 
     <select id="countPoDetailBySiteAndPartNo" resultType="java.lang.Integer">
         select count(1)
-        from po_detail
+        from PODetail
         where site = #{site}
           and part_no = #{partNo}
     </select>