diff --git a/features/udm_user/repo/repo_udm_auth_user.go b/features/udm_user/repo/repo_udm_auth_user.go
index f766a63d..1f3bf672 100644
--- a/features/udm_user/repo/repo_udm_auth_user.go
+++ b/features/udm_user/repo/repo_udm_auth_user.go
@@ -166,7 +166,7 @@ func (r *RepoUdmAuthUser) ClearAndInsert(neID string, authArr []model.UdmAuthUse
 	}
 
 	n := len(authArr)
-	batchSize := 5000
+	batchSize := 2000
 	for i := 0; i < n; i += batchSize {
 		end := i + batchSize
 		if end > n {
@@ -198,7 +198,7 @@ func (r *RepoUdmAuthUser) Insert(authUser model.UdmAuthUser) int64 {
 func (r *RepoUdmAuthUser) Inserts(authUsers []model.UdmAuthUser) int64 {
 	var num int64
 	n := len(authUsers)
-	batchSize := 5000
+	batchSize := 2000
 	for i := 0; i < n; i += batchSize {
 		end := i + batchSize
 		if end > n {
diff --git a/features/udm_user/repo/repo_udm_sub_user.go b/features/udm_user/repo/repo_udm_sub_user.go
index d45c2e06..202a53a9 100644
--- a/features/udm_user/repo/repo_udm_sub_user.go
+++ b/features/udm_user/repo/repo_udm_sub_user.go
@@ -185,7 +185,7 @@ func (r *RepoUdmSubUser) ClearAndInsert(neID string, subArr []model.UdmSubUser)
 	}
 
 	n := len(subArr)
-	batchSize := 5000
+	batchSize := 2000
 	for i := 0; i < n; i += batchSize {
 		end := i + batchSize
 		if end > n {
@@ -225,7 +225,7 @@ func (r *RepoUdmSubUser) Insert(subUser model.UdmSubUser) int64 {
 func (r *RepoUdmSubUser) Inserts(subUser []model.UdmSubUser) int64 {
 	var num int64
 	n := len(subUser)
-	batchSize := 5000
+	batchSize := 2000
 	for i := 0; i < n; i += batchSize {
 		end := i + batchSize
 		if end > n {