diff --git a/bonus-modules/bonus-material-mall/src/main/resources/mapper/material/order/OrderInfoMapper.xml b/bonus-modules/bonus-material-mall/src/main/resources/mapper/material/order/OrderInfoMapper.xml
index e2977be..5438a28 100644
--- a/bonus-modules/bonus-material-mall/src/main/resources/mapper/material/order/OrderInfoMapper.xml
+++ b/bonus-modules/bonus-material-mall/src/main/resources/mapper/material/order/OrderInfoMapper.xml
@@ -86,8 +86,8 @@ PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
         sd1.dept_name AS companyName
         FROM
         sys_dept sd
-        JOIN ( SELECT SUBSTRING_INDEX( ancestors, ',', 1 ) AS first_ancestor, dept_id FROM sys_dept ) AS subquery ON sd.dept_id = subquery.dept_id
-        LEFT JOIN sys_dept sd1 ON sd1.parent_id = subquery.first_ancestor
+        JOIN ( SELECT SUBSTRING_INDEX( ancestors, ',', 2 ) AS first_ancestor, dept_id FROM sys_dept ) AS subquery ON sd.dept_id = subquery.dept_id
+        LEFT JOIN sys_dept sd1 ON sd1.dept_id = subquery.first_ancestor
         ) dept ON dept.deptId = su.dept_id
         WHERE
         mt.del_flag = '0'