diff --git a/model/product/model.go b/model/product/model.go
index cf3d548..308679f 100644
--- a/model/product/model.go
+++ b/model/product/model.go
@@ -94,7 +94,7 @@ func (p *Product) fillUSCoachPriceStatus(tx *gorm.DB) {
 
 func (p *Product) fillCNCoachPriceStatus(tx *gorm.DB) {
 	var lastPrice float64
-	tx.Model(&HistoryPrice{}).Where("pid = ?", p.Pid).Order("created_at desc").Limit(1).Pluck("cny_price", &lastPrice)
+	tx.Model(&HistoryPrice{}).Where("pid = ?", p.Pid).Order("created_at desc").Limit(1).Pluck("us_price", &lastPrice)
 	if p.CNYPrice != lastPrice {
 		p.HistoryPrices = append(p.HistoryPrices, HistoryPrice{
 			USPrice: p.CNYPrice,