diff --git a/anrui-buscenter/anrui-buscenter-biz/src/main/java/com/yxt/anrui/buscenter/biz/bussalesorder/BusSalesOrderMapper.xml b/anrui-buscenter/anrui-buscenter-biz/src/main/java/com/yxt/anrui/buscenter/biz/bussalesorder/BusSalesOrderMapper.xml
index b04f28630a..5497bf1dce 100644
--- a/anrui-buscenter/anrui-buscenter-biz/src/main/java/com/yxt/anrui/buscenter/biz/bussalesorder/BusSalesOrderMapper.xml
+++ b/anrui-buscenter/anrui-buscenter-biz/src/main/java/com/yxt/anrui/buscenter/biz/bussalesorder/BusSalesOrderMapper.xml
@@ -306,7 +306,7 @@
     <select id="selectOrderByContractNo" resultType="com.yxt.anrui.buscenter.api.bussalesorder.BusSalesOrder">
         select *
         from bus_sales_order
-        where contractNo = #{contractNo}
+        where contractNo = #{contractNo} order by id desc limit 1
     </select>
 
     <update id="updateMakeUp">