diff --git a/Assets/BingoBrain/ModuleUI/Exchange/ExchangeUI.cs b/Assets/BingoBrain/ModuleUI/Exchange/ExchangeUI.cs
index 1a2b30f..a03beac 100644
--- a/Assets/BingoBrain/ModuleUI/Exchange/ExchangeUI.cs
+++ b/Assets/BingoBrain/ModuleUI/Exchange/ExchangeUI.cs
@@ -112,7 +112,7 @@ namespace BingoBrain
 
             ui.btn_exchange_card.SetClick(() =>
             {
-                if (card_buy_num * GameHelper.GetCommonModel().ExchangeCard < PreferencesMgr.Instance.Currency101)
+                if (card_buy_num * GameHelper.GetCommonModel().ExchangeCard <= PreferencesMgr.Instance.Currency101)
                 {
                     PreferencesMgr.Instance.CardBoardSum = PreferencesMgr.Instance.CardBoardSum + card_buy_num;
                     PreferencesMgr.Instance.Currency101 = PreferencesMgr.Instance.Currency101 - card_buy_num * GameHelper.GetCommonModel().ExchangeCard;
@@ -127,7 +127,7 @@ namespace BingoBrain
 
             ui.btn_exchange_amazon.SetClick(() =>
             {
-                if (amazon_buy_num * GameHelper.GetCommonModel().ExchangeAmazon[1] < PreferencesMgr.Instance.Currency101)
+                if (amazon_buy_num * GameHelper.GetCommonModel().ExchangeAmazon[1] <= PreferencesMgr.Instance.Currency101)
                 {
                     SaveingPotHelper.TestingClearTime();
                     SaveData.GetSaveobject().saveingpot_ch = SaveData.GetSaveobject().saveingpot_ch + amazon_buy_num * GameHelper.GetCommonModel().ExchangeAmazon[0];