add return column

api/controllers/CoinController.php

@@ -348,6 +348,7 @@ class CoinController extends BaseController
             $platform_with_hold = CoinPlatformWithHold::getRecord($platform);
             $des = Yii::$app->des;
             $platform_with_hold['private_key'] = $des->encrypt($platform_with_hold['private_key']);
+            $platform_with_hold['coins_name'] = '';
             return ['code' => 0, 'data' => $platform_with_hold];
         }
         $platform_with_hold = CoinPlatformWithHold::getRecord($platform);