diff --git a/dsBaseRpc/RpcService/BaseClass/BaseClassDao/BaseClassDao.go b/dsBaseRpc/RpcService/BaseClass/BaseClassDao/BaseClassDao.go
index 4f0e731b..c4ef7208 100644
--- a/dsBaseRpc/RpcService/BaseClass/BaseClassDao/BaseClassDao.go
+++ b/dsBaseRpc/RpcService/BaseClass/BaseClassDao/BaseClassDao.go
@@ -144,6 +144,7 @@ func GetRxnf(schoolId string, stageId string) ([]map[string]interface{}, int32,
 		From("t_base_class").
 		Where(builder.Eq{"bureau_id": schoolId}).
 		And(builder.Eq{"stage_id": stageId}).
+		And(builder.Eq{"b_use": 1}).
 		OrderBy("rxnf")
 	sql, err := myBuilder.ToBoundSQL()
 	if err != nil {