修复拉卡拉退款成功状态识别

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

@@ -612,17 +612,21 @@ 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"
 	case "FAIL", "FAILED", "REFUND_FAIL", "TRADE_FAIL", "F", "12":
 		return "failed"
-	default:
-		return "refunding"
 	}
+	if hasSuccessResponseCode(raw) {
+		return "refunded"
+	}
+	return "refunding"
+}
+
+func hasSuccessResponseCode(raw map[string]string) bool {
+	code := firstNonEmpty(raw["code"], raw["resp_code"], raw["result_code"], raw["return_code"])
+	return code != "" && responseOK(raw)
 }
 
 func responseOK(raw map[string]string) bool {

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

@@ -87,6 +87,28 @@ func TestNormalizeRefundStatusTreatsSuccessCodeAsRefunded(t *testing.T) {
 	}
 }
 
+func TestNormalizeRefundStatusTreatsSuccessCodeWithRefundingAsRefunded(t *testing.T) {
+	status := normalizeRefundStatus(map[string]string{
+		"code":          "BBS00000",
+		"msg":           "成功",
+		"status":        "refunding",
+		"refund_amount": "960",
+		"trade_no":      "20260610110110001231120132051564",
+	})
+	if status != "refunded" {
+		t.Fatalf("normalizeRefundStatus() = %q, want refunded", status)
+	}
+}
+
+func TestNormalizeRefundStatusKeepsUnknownWithoutCodeAsRefunding(t *testing.T) {
+	status := normalizeRefundStatus(map[string]string{
+		"status": "processing",
+	})
+	if status != "refunding" {
+		t.Fatalf("normalizeRefundStatus() = %q, want refunding", status)
+	}
+}
+
 func TestCreatePaymentOmitsCounterParamWhenPayModeBlank(t *testing.T) {
 	body := captureCreatePaymentBody(t, "")
 	reqData := body["req_data"].(map[string]any)