diff --git a/api/controller/OrderSingle.go b/api/controller/OrderSingle.go
index 644ba49..3ccf670 100644
--- a/api/controller/OrderSingle.go
+++ b/api/controller/OrderSingle.go
@@ -10,6 +10,7 @@ import (
 	"hepa-calc-admin-api/global"
 	"hepa-calc-admin-api/utils"
 	"strconv"
+	"time"
 )
 
 type OrderSingle struct{}
@@ -51,10 +52,19 @@ func (b *OrderSingle) GetOrderSinglePage(c *gin.Context) {
 	// 处理返回值
 	g := dto.GetOrderSingleListDto(orderSingles)
 
-	for _, singleDto := range g {
+	for _, d := range g {
+		d.LoadValidDate(d.ValidDate)
+
 		// 计算有效期
-		if singleDto.IsMember == 1 {
-			singleDto.LoadValidDate(singleDto.MemberExpireDate)
+		if d.IsMember == 1 {
+			if d.ValidDate != nil {
+				validDate := time.Time(*d.ValidDate)
+				memberExpireDate := time.Time(*d.MemberExpireDate)
+				diffTime := memberExpireDate.Sub(validDate)
+				if diffTime > 0 {
+					d.LoadValidDate(d.MemberExpireDate)
+				}
+			}
 		}
 	}