diff --git a/internal/service/shop_series_grant/service.go b/internal/service/shop_series_grant/service.go
index c6d289d..dc5b031 100644
--- a/internal/service/shop_series_grant/service.go
+++ b/internal/service/shop_series_grant/service.go
@@ -202,15 +202,13 @@ func (s *Service) Create(ctx context.Context, req *dto.CreateShopSeriesGrantRequ
 	operatorShopID := middleware.GetShopIDFromContext(ctx)
 	operatorType := middleware.GetUserTypeFromContext(ctx)
 
-	// 1. 查询套餐系列，确认佣金类型
+	// 1. 查询套餐系列，解析一次性佣金配置（可选）
+	// 系列授权同时作为套餐销售权限的入口记录，未启用一次性佣金的系列也可创建授权，佣金金额默认为 0
 	series, err := s.packageSeriesStore.GetByID(ctx, req.SeriesID)
 	if err != nil {
 		return nil, errors.New(errors.CodeNotFound, "套餐系列不存在")
 	}
-	config, err := series.GetOneTimeCommissionConfig()
-	if err != nil || config == nil || !config.Enable {
-		return nil, errors.New(errors.CodeInvalidParam, "该系列未启用一次性佣金，无法创建授权")
-	}
+	config, _ := series.GetOneTimeCommissionConfig()
 
 	// 1.5 校验目标店铺是否存在
 	_, err = s.shopStore.GetByID(ctx, req.ShopID)
@@ -238,7 +236,7 @@ func (s *Service) Create(ctx context.Context, req *dto.CreateShopSeriesGrantRequ
 	}
 	// 平台/超管 allocatorShopID = 0
 
-	// 4. 参数验证：固定模式 or 梯度模式
+	// 4. 参数验证：仅启用一次性佣金的系列才需要配置佣金金额
 	allocation := &model.ShopSeriesAllocation{
 		ShopID:              req.ShopID,
 		SeriesID:            req.SeriesID,
@@ -249,59 +247,61 @@ func (s *Service) Create(ctx context.Context, req *dto.CreateShopSeriesGrantRequ
 	allocation.Creator = operatorID
 	allocation.Updater = operatorID
 
-	if config.CommissionType == "fixed" {
-		if req.OneTimeCommissionAmount == nil {
-			return nil, errors.New(errors.CodeInvalidParam, "固定模式必须填写佣金金额")
-		}
-		ceiling, ceilErr := s.getParentCeilingFixed(ctx, allocatorShopID, req.SeriesID, config)
-		if ceilErr != nil {
-			return nil, ceilErr
-		}
-		if *req.OneTimeCommissionAmount > ceiling {
-			return nil, errors.New(errors.CodeInvalidParam, "佣金金额不能超过上级天花板")
-		}
-		allocation.OneTimeCommissionAmount = *req.OneTimeCommissionAmount
-	} else {
-		// 梯度模式
-		if len(req.CommissionTiers) == 0 {
-			return nil, errors.New(errors.CodeInvalidParam, "梯度模式必须填写阶梯配置")
-		}
-		// 阶梯数量和 threshold 必须与全局完全一致
-		if len(req.CommissionTiers) != len(config.Tiers) {
-			return nil, errors.New(errors.CodeInvalidParam, "梯度阶梯数量与系列配置不一致")
-		}
-		ceilingMap, ceilErr := s.getParentCeilingTiered(ctx, allocatorShopID, req.SeriesID, config.Tiers)
-		if ceilErr != nil {
-			return nil, ceilErr
-		}
-		agentTiers := make([]model.AllocationCommissionTier, 0, len(req.CommissionTiers))
-		for i, tier := range req.CommissionTiers {
-			if tier.Threshold != config.Tiers[i].Threshold {
-				return nil, errors.New(errors.CodeInvalidParam, "梯度阶梯 threshold 与系列配置不匹配")
+	if config != nil && config.Enable {
+		if config.CommissionType == "fixed" {
+			if req.OneTimeCommissionAmount == nil {
+				return nil, errors.New(errors.CodeInvalidParam, "固定模式必须填写佣金金额")
 			}
-			ceiling, ok := ceilingMap[tier.Threshold]
-			if !ok {
-				ceiling = 0
+			ceiling, ceilErr := s.getParentCeilingFixed(ctx, allocatorShopID, req.SeriesID, config)
+			if ceilErr != nil {
+				return nil, ceilErr
 			}
-			if tier.Amount > ceiling {
-				return nil, errors.New(errors.CodeInvalidParam, "某档位佣金金额超过上级天花板")
+			if *req.OneTimeCommissionAmount > ceiling {
+				return nil, errors.New(errors.CodeInvalidParam, "佣金金额不能超过上级天花板")
+			}
+			allocation.OneTimeCommissionAmount = *req.OneTimeCommissionAmount
+		} else {
+			// 梯度模式
+			if len(req.CommissionTiers) == 0 {
+				return nil, errors.New(errors.CodeInvalidParam, "梯度模式必须填写阶梯配置")
+			}
+			// 阶梯数量和 threshold 必须与全局完全一致
+			if len(req.CommissionTiers) != len(config.Tiers) {
+				return nil, errors.New(errors.CodeInvalidParam, "梯度阶梯数量与系列配置不一致")
+			}
+			ceilingMap, ceilErr := s.getParentCeilingTiered(ctx, allocatorShopID, req.SeriesID, config.Tiers)
+			if ceilErr != nil {
+				return nil, ceilErr
+			}
+			agentTiers := make([]model.AllocationCommissionTier, 0, len(req.CommissionTiers))
+			for i, tier := range req.CommissionTiers {
+				if tier.Threshold != config.Tiers[i].Threshold {
+					return nil, errors.New(errors.CodeInvalidParam, "梯度阶梯 threshold 与系列配置不匹配")
+				}
+				ceiling, ok := ceilingMap[tier.Threshold]
+				if !ok {
+					ceiling = 0
+				}
+				if tier.Amount > ceiling {
+					return nil, errors.New(errors.CodeInvalidParam, "某档位佣金金额超过上级天花板")
+				}
+				agentTiers = append(agentTiers, model.AllocationCommissionTier{
+					Threshold: tier.Threshold,
+					Amount:    tier.Amount,
+				})
+			}
+			if err := allocation.SetCommissionTiers(agentTiers); err != nil {
+				return nil, errors.Wrap(errors.CodeInternalError, err, "序列化阶梯佣金失败")
 			}
-			agentTiers = append(agentTiers, model.AllocationCommissionTier{
-				Threshold: tier.Threshold,
-				Amount:    tier.Amount,
-			})
 		}
-		if err := allocation.SetCommissionTiers(agentTiers); err != nil {
-			return nil, errors.Wrap(errors.CodeInternalError, err, "序列化阶梯佣金失败")
-		}
-	}
 
-	// 5. 强充配置：first_recharge 或平台已开强充 → locked，忽略代理传入
-	forceRechargeLocked := config.TriggerType == model.OneTimeCommissionTriggerFirstRecharge || config.EnableForceRecharge
-	if !forceRechargeLocked && req.EnableForceRecharge != nil && *req.EnableForceRecharge {
-		allocation.EnableForceRecharge = true
-		if req.ForceRechargeAmount != nil {
-			allocation.ForceRechargeAmount = *req.ForceRechargeAmount
+		// 5. 强充配置：first_recharge 或平台已开强充 → locked，忽略代理传入
+		forceRechargeLocked := config.TriggerType == model.OneTimeCommissionTriggerFirstRecharge || config.EnableForceRecharge
+		if !forceRechargeLocked && req.EnableForceRecharge != nil && *req.EnableForceRecharge {
+			allocation.EnableForceRecharge = true
+			if req.ForceRechargeAmount != nil {
+				allocation.ForceRechargeAmount = *req.ForceRechargeAmount
+			}
 		}
 	}