diff --git a/internal/biz/warning_budget.go b/internal/biz/warning_budget.go
index 540b90b..a11d2b6 100644
--- a/internal/biz/warning_budget.go
+++ b/internal/biz/warning_budget.go
@@ -12,11 +12,6 @@ import (
 	"voucher/internal/biz/vo"
 )
 
-func (this *VoucherBiz) WarningBudgetIncrKv(uid string) (string, time.Duration) {
-	v := vo.WarningBudgetSendIncr.BuildCache([]string{uid})
-	return v.Key, v.TTL
-}
-
 func (this *VoucherBiz) WarningBudgetIncr(ctx context.Context, key string, ttl time.Duration) (int64, error) {
 
 	// 增加发送计数
@@ -118,7 +113,9 @@ func (this *VoucherBiz) Calculate(ctx context.Context, product *bo.ProductBo, wx
 
 	w := this.WxResp(wxResp)
 
-	key, ttl := this.WarningBudgetIncrKv(product.BatchNo)
+	b := vo.WarningBudgetSendIncr.BuildCache([]string{product.BatchNo})
+	key := b.Key
+	ttl := b.TTL
 
 	if w.AllBudget > product.AllBudget {
 		if err := this.WarningBudgetIncrDel(ctx, key); err != nil {