优化结构

internal/data/payment/payment_order.go

@@ -152,8 +152,7 @@ func (r *paymentOrderRepo) CreatePaymentOrder(ctx context.Context, order *bizpay
 		}
 		return appendPaymentEvent(ctx, tx, po, &bizpayment.PaymentEvent{
 			Type: bizpayment.PaymentEventOrderCreated, Source: "client", Status: po.PaymentStatus,
-			Amount: po.Amount, Currency: po.Currency, ClientIP: order.ClientIP,
-			UserAgent: order.UserAgent, DeviceID: order.DeviceID,
+			Amount: po.Amount, Currency: po.Currency,
 		})
 	})
 	if err == nil {
@@ -637,8 +636,9 @@ func defaultVersion(value uint64) uint64 {
 
 func trimTo(value string, max int) string {
 	value = strings.TrimSpace(value)
-	if len(value) > max {
-		return value[:max]
+	runes := []rune(value)
+	if len(runes) > max {
+		return string(runes[:max])
 	}
 	return value
 }