diff --git a/repository/amo/amo.go b/repository/amo/amo.go
index 204361e..8ae7f7c 100644
--- a/repository/amo/amo.go
+++ b/repository/amo/amo.go
@@ -6,7 +6,6 @@ import (
 	"encoding/json"
 	"penahub.gitlab.yandexcloud.net/backend/quiz/common.git/dal/sqlcgen"
 	"penahub.gitlab.yandexcloud.net/backend/quiz/common.git/model"
-	"strings"
 	"time"
 )
 
@@ -136,32 +135,41 @@ func (r *AmoRepository) CheckMainUser(ctx context.Context, user model.User) erro
 	return nil
 }
 
-func (r *AmoRepository) CheckAndUpdateUsers(ctx context.Context, user model.User) error {
-	err := r.queries.CheckUsers(ctx, sqlcgen.CheckUsersParams{
-		Amoid:     user.AmoID,
-		Name:      user.Name,
-		Email:     user.Email,
-		Role:      user.Role,
-		Group:     user.Group,
-		Amouserid: user.Amouserid,
-	})
+func (r *AmoRepository) CheckAndUpdateUsers(ctx context.Context, users []model.User) error {
+	dollar1, err := json.Marshal(users)
+	if err != nil {
+		return err
+	}
+	rows, err := r.queries.CheckUsers(ctx, dollar1)
+	if err != nil {
+		return err
+	}
 
-	// чекаем на конфликт
-	if err != nil && strings.Contains(err.Error(), "duplicate key value violates unique constraint") {
-		err = r.queries.UpdateUsers(ctx, sqlcgen.UpdateUsersParams{
-			Amoid:     user.AmoID,
-			Name:      user.Name,
-			Email:     user.Email,
-			Role:      user.Role,
-			Group:     user.Group,
-			Amouserid: user.Amouserid,
-		})
+	if rows != nil {
+		var toUpdate []model.User
+		for _, row := range rows {
+			to := model.User{
+				AmoID:     row.Amoid,
+				Name:      row.Name,
+				Group:     row.Group,
+				Role:      row.Role,
+				Email:     row.Email,
+				Amouserid: row.Amouserid,
+			}
+			toUpdate = append(toUpdate, to)
+		}
+		dollar1, err := json.Marshal(toUpdate)
+		if err != nil {
+			return err
+		}
+
+		err = r.queries.UpdateUsers(ctx, dollar1)
 		if err != nil {
 			return err
 		}
-		return nil
 	}
-	return err
+
+	return nil
 }
 
 func (r *AmoRepository) GetTokenByID(ctx context.Context, accountID string) (*model.Token, error) {