优化订单支付

backend/internal/integrations/payment/lakala/client.go

@@ -612,6 +612,9 @@ func normalizePaymentStatus(raw map[string]string) string {
 
 func normalizeRefundStatus(raw map[string]string) string {
 	value := strings.ToUpper(firstNonEmpty(raw["refund_status"], raw["trade_state"], raw["trade_status"], raw["status"]))
+	if value == "" && responseOK(raw) {
+		return "refunded"
+	}
 	switch value {
 	case "SUCCESS", "REFUND_SUCCESS", "TRADE_SUCCESS", "REFUNDED", "S", "11":
 		return "refunded"

backend/internal/integrations/payment/lakala/client_test.go

@@ -77,6 +77,16 @@ func TestParsePayloadNormalizesAliases(t *testing.T) {
 	}
 }
 
+func TestNormalizeRefundStatusTreatsSuccessCodeAsRefunded(t *testing.T) {
+	status := normalizeRefundStatus(map[string]string{
+		"code": "BBS00000",
+		"msg":  "成功",
+	})
+	if status != "refunded" {
+		t.Fatalf("normalizeRefundStatus() = %q, want refunded", status)
+	}
+}
+
 func TestCreatePaymentOmitsCounterParamWhenPayModeBlank(t *testing.T) {
 	body := captureCreatePaymentBody(t, "")
 	reqData := body["req_data"].(map[string]any)