diff --git a/bonus-modules/bonus-material-mall/src/main/resources/mapper/material/devchange/DevChangeMapper.xml b/bonus-modules/bonus-material-mall/src/main/resources/mapper/material/devchange/DevChangeMapper.xml
index 9b291fd..dfdb621 100644
--- a/bonus-modules/bonus-material-mall/src/main/resources/mapper/material/devchange/DevChangeMapper.xml
+++ b/bonus-modules/bonus-material-mall/src/main/resources/mapper/material/devchange/DevChangeMapper.xml
@@ -400,7 +400,7 @@
             cd.use_time AS useTime,
             cd.CODE AS CODE,
             cd.review_status AS taskStatus,
-            su.nickname AS createBy,
+            su.nick_name AS createBy,
             cd.create_time AS createTime,
             SUM(IF( cdc.dev_type = '1', cdc.num, 0 )) AS devNum,
             SUM(IF( cdc.dev_type = '2', cdc.num, 0 )) AS toolNum