diff --git a/common/business/ExchangeBusiness.php b/common/business/ExchangeBusiness.php
index 3295a1b9127b523e37ec3ab91e488e7aff32bd68..812460bab95b6c8e2ced0aae1e685025a8d3b880 100644
--- a/common/business/ExchangeBusiness.php
+++ b/common/business/ExchangeBusiness.php
@@ -55,7 +55,7 @@ class ExchangeBusiness
         if (!$f) {
             //鎵€鏈変氦鏄撴墍閮戒笉鑳界洿鎺ヨ幏鍙栦氦鏄撳鐨勮鎯呭氨閫氳繃BTC鍘昏浆鎹�
             //鑾峰彇BTC_USD
-            $btc_usd = ExchangeFactory::createExchange(self::$exchanges[0])->getTicker('btc');
+            $btc_usd = ExchangeFactory::createExchange(self::$exchanges[1])->getTicker('btc');
             foreach (self::$exchanges as $exchange) {
                 /**
                  * @var $exchange \common\service\exchange\Exchange