fix: admin database charset

product/internal/logic/itemslogic.go

@@ -34,7 +34,7 @@ func NewItemsLogic(ctx context.Context, svcCtx *svc.ServiceContext) *ItemsLogic
 func (l *ItemsLogic) Items(in *product.ItemsReq) (*product.Response, error) {
 	var req validator.ProductItemsValidator
 	if msg := validateService.ValidateFromProto(in, &req); msg != utils.StringEmpty {
-		return msgResponse(utils.Ok.Code, msg), nil
+		return outResponse(utils.ErrorParams, msg), nil
 	}
 
 	page := int(req.Page)