fix

api/controllers/CrossChainController.php

@@ -33,7 +33,7 @@ class CrossChainController extends BaseController
         $data['transfer_number'] = date('YmdHis') . self::getrandnums();
 
         $isExist = CoinCrossChain::find()
-            ->where(['address' => $post['address'], 'is_with_draw' => CoinCrossChain::RECHARGE])
+            ->where(['address' => $post['address'], 'is_with_draw' => $post['isWithdraw']])
             ->andWhere(['query_result' => '0'])
             ->asArray()->all();