fix(billing): 按次计费回退到默认 PerRequestPrice

ResolvedPricing 新增 DefaultPerRequestPrice，当无层级匹配时使用渠道的默认按次价格
2026-03-30 23:04:48 +08:00
parent 632035aabd
commit 0fbc9a44d3
2 changed files with 11 additions and 0 deletions
--- a/backend/internal/service/billing_service.go
+++ b/backend/internal/service/billing_service.go
@@ -542,6 +542,11 @@ func (s *BillingService) calculatePerRequestCost(resolved *ResolvedPricing, inpu
 		unitPrice = input.Resolver.GetRequestTierPriceByContext(resolved, totalContext)
 	}

+	// 回退到默认按次价格
+	if unitPrice == 0 {
+		unitPrice = resolved.DefaultPerRequestPrice
+	}
+
 	totalCost := unitPrice * float64(count)
 	actualCost := totalCost * input.RateMultiplier