diff --git a/xm-core/src/main/resources/mybatis/mapper/xm/core/dao/XmTaskMapper.xml b/xm-core/src/main/resources/mybatis/mapper/xm/core/dao/XmTaskMapper.xml
index 6680b0b9..a99f3923 100644
--- a/xm-core/src/main/resources/mybatis/mapper/xm/core/dao/XmTaskMapper.xml
+++ b/xm-core/src/main/resources/mybatis/mapper/xm/core/dao/XmTaskMapper.xml
@@ -300,7 +300,7 @@
 		SET
 		res.act_cost = t2.act_cost,
 		res.act_workload = t2.act_workload,
-			res.rate = case when (t2.budget_workload=0  or t2.budget_workload is null) and (t2.act_workload is null or t2.act_workload =0 ) and t2.rworkload is null then if(t2.children_cnt=0 or t2.children_cnt is null,t2.total_rate,t2.total_rate/t2.children_cnt) else ifnull(t2.act_workload,0) / ifnull(t2.act_workload,0)+ifnull(t2.rworkload) end,
+			res.rate = case when (t2.budget_workload=0  or t2.budget_workload is null) and (t2.act_workload is null or t2.act_workload =0 ) and t2.rworkload is null then if(t2.children_cnt=0 or t2.children_cnt is null,t2.total_rate,t2.total_rate/t2.children_cnt) else ifnull(t2.act_workload,0) / ifnull(t2.act_workload,0)+ifnull(t2.rworkload,0) end,
 			res.start_time = ifnull(res.start_time,t2.start_time),
 		res.end_time = ifnull(t2.end_time,t2.end_time),
 		res.act_start_time = t2.act_start_time,