fix

api/controllers/TickerController.php

@@ -103,7 +103,7 @@ class TickerController extends BaseController
                 $symbol = explode('/', $val['symbol']);
                 $tag_first = $symbol[0];
                 $tag_second = $symbol[1];
-                $exchange = 'Huobi';
+                $exchange = 'HuoBi';
                 $exchange = ExchangeFactory::createExchange($exchange);
                 $quotation = $exchange->getTicker(strtolower($tag_first), strtolower($tag_second));