add balance ,shop promotion

go/gopath/src/fohow.com/apps/helpers/promotion_helper.go

@@ -271,6 +271,11 @@ func BalanceOrderPromotion(orderId string, wxUid, depart int64) {
 		if count == int64(0) {
 			numsFlag = false
 		}
+		if !item.IsMore {
+			val := []int64{count, 1}
+			count = min(val...)
+		}
+
 		beego.Warn("item_name-1%d", item.Name)
 		beego.Warn("totalFlag%v", totalFlag)
 		beego.Warn("numsFlag%v", numsFlag)