diff --git a/pkg/cloudcommon/db/domain.go b/pkg/cloudcommon/db/domain.go
index f458668c5b..f4ac19763f 100644
--- a/pkg/cloudcommon/db/domain.go
+++ b/pkg/cloudcommon/db/domain.go
@@ -107,12 +107,7 @@ func (manager *SDomainizedResourceBaseManager) ListItemFilter(
 ) (*sqlchemy.SQuery, error) {
 	if len(query.ProjectDomainIds) > 0 {
 		// make sure ids are not utf8 string
-		idList := make([]string, 0)
-		for _, pid := range query.ProjectDomainIds {
-			if !stringutils2.IsUtf8(pid) {
-				idList = append(idList, pid)
-			}
-		}
+		idList := stringutils2.RemoveUtf8Strings(query.ProjectDomainIds)
 		tenants := TenantCacheManager.GetDomainQuery().SubQuery()
 		subq := tenants.Query(tenants.Field("id")).Filter(sqlchemy.OR(
 			sqlchemy.In(tenants.Field("id"), idList),
diff --git a/pkg/cloudcommon/db/project.go b/pkg/cloudcommon/db/project.go
index c36ee14aeb..02c86b3ee3 100644
--- a/pkg/cloudcommon/db/project.go
+++ b/pkg/cloudcommon/db/project.go
@@ -102,12 +102,7 @@ func (manager *SProjectizedResourceBaseManager) ListItemFilter(
 	}
 	if len(query.ProjectIds) > 0 {
 		// make sure ids are not utf8 string
-		idList := make([]string, 0)
-		for _, pid := range query.ProjectIds {
-			if !stringutils2.IsUtf8(pid) {
-				idList = append(idList, pid)
-			}
-		}
+		idList := stringutils2.RemoveUtf8Strings(query.ProjectIds)
 		tenants := TenantCacheManager.GetTenantQuery().SubQuery()
 		subq := tenants.Query(tenants.Field("id")).Filter(sqlchemy.OR(
 			sqlchemy.In(tenants.Field("id"), idList),
diff --git a/pkg/compute/models/managedresource.go b/pkg/compute/models/managedresource.go
index 07d118cc1c..75d4e13b85 100644
--- a/pkg/compute/models/managedresource.go
+++ b/pkg/compute/models/managedresource.go
@@ -518,7 +518,7 @@ func _managedResourceFilterByAccount(managerIdFieldName string, q *sqlchemy.SQue
 	if len(cloudaccountArr) > 0 {
 		cpq := CloudaccountManager.Query().SubQuery()
 		subcpq := cpq.Query(cpq.Field("id")).Filter(sqlchemy.OR(
-			sqlchemy.In(cpq.Field("id"), cloudaccountArr),
+			sqlchemy.In(cpq.Field("id"), stringutils2.RemoveUtf8Strings(cloudaccountArr)),
 			sqlchemy.In(cpq.Field("name"), cloudaccountArr),
 		)).SubQuery()
 		subq := CloudproviderManager.Query("id").In("cloudaccount_id", subcpq).SubQuery()
diff --git a/pkg/keystone/models/identitybase.go b/pkg/keystone/models/identitybase.go
index 2c31ebb3a1..ef804ba628 100644
--- a/pkg/keystone/models/identitybase.go
+++ b/pkg/keystone/models/identitybase.go
@@ -133,12 +133,7 @@ func (manager *SIdentityBaseResourceManager) ListItemFilter(
 	// override manager.SDomainizedResourceBaseManager.ListItemFilter()
 	if len(query.ProjectDomainIds) > 0 {
 		// make sure ids are not utf8 string
-		idList := make([]string, 0)
-		for _, pid := range query.ProjectDomainIds {
-			if !stringutils2.IsUtf8(pid) {
-				idList = append(idList, pid)
-			}
-		}
+		idList := stringutils2.RemoveUtf8Strings(query.ProjectDomainIds)
 		domains := DomainManager.Query().SubQuery()
 		subq := domains.Query(domains.Field("id")).Filter(sqlchemy.OR(
 			sqlchemy.In(domains.Field("id"), idList),
diff --git a/pkg/util/stringutils2/i18n.go b/pkg/util/stringutils2/i18n.go
index cb906c2c6c..3f709450ab 100644
--- a/pkg/util/stringutils2/i18n.go
+++ b/pkg/util/stringutils2/i18n.go
@@ -23,6 +23,16 @@ func IsUtf8(str string) bool {
 	return false
 }
 
+func RemoveUtf8Strings(idOrNames []string) []string {
+	ids := make([]string, 0)
+	for _, idOrName := range idOrNames {
+		if !IsUtf8(idOrName) {
+			ids = append(ids, idOrName)
+		}
+	}
+	return ids
+}
+
 func IsPrintableAscii(b byte) bool {
 	if b >= 32 && b <= 126 {
 		return true
diff --git a/pkg/util/stringutils2/i18n_test.go b/pkg/util/stringutils2/i18n_test.go
index 828af7fe87..40526089ae 100644
--- a/pkg/util/stringutils2/i18n_test.go
+++ b/pkg/util/stringutils2/i18n_test.go
@@ -15,6 +15,7 @@
 package stringutils2
 
 import (
+	"reflect"
 	"testing"
 )
 
@@ -34,6 +35,31 @@ func TestIsUtf8(t *testing.T) {
 	}
 }
 
+func TestRemoveUtf8Strings(t *testing.T) {
+	cases := []struct {
+		in   []string
+		want []string
+	}{
+		{
+			in:   []string{},
+			want: []string{},
+		},
+		{
+			in:   []string{"en", "中文"},
+			want: []string{"en"},
+		},
+		{
+			in:   []string{"中文"},
+			want: []string{},
+		},
+	}
+	for _, c := range cases {
+		if got := RemoveUtf8Strings(c.in); !reflect.DeepEqual(got, c.want) {
+			t.Errorf("RemoveUtf8Strings %s got %v want %v", c.in, got, c.want)
+		}
+	}
+}
+
 func TestIsPrintableAscii(t *testing.T) {
 	cases := []struct {
 		in   string