Merge branch 'feature/ticker' into develop

common/business/CoinBusiness.php

@@ -205,7 +205,7 @@ class CoinBusiness
             $quotation = ExchangeBusiness::getquatation($row['name']);
             if($quotation){
                 $tikerdata['price'] = $quotation['rmb'];
-                $tikerdata['dollar'] = $quotation['last'];
+                $tikerdata['dollar'] = $quotation['usd'];
             }else{
                 $tikerdata['price'] = 0;
                 $tikerdata['dollar'] = 0;