diff --git a/features/udm_user/service/service_udm_sub_user.go b/features/udm_user/service/service_udm_sub_user.go
index f5bb673d..78f1adae 100644
--- a/features/udm_user/service/service_udm_sub_user.go
+++ b/features/udm_user/service/service_udm_sub_user.go
@@ -132,7 +132,7 @@ func (r *ServiceUdmSubUser) InsertCSV(neID string, data []map[string]string) int
 		if s, ok := v["smf_sel"]; ok {
 			subUser.SmfSel = s
 		}
-		if s, ok := v["sm_data"]; ok {
+		if s, ok := v["sm_dat"]; ok {
 			subUser.SmData = s
 		}
 		if s, ok := v["eps_dat"]; ok {