feat:修复bnk线获取

@@ -741,11 +741,11 @@ class CmBroker
         }
         if ($this->plat == self::PLAT_BINANCE) {
             $res = $this->exBroker->getKlines($symbolOri, $peroidOri, $limit);
-            if ($res['code'] != 0) {
+            if (count($res) == 0) {
                 return [];
             }
             $newKlines = [];
-            foreach ($res['data'] as $key => $value) {
+            foreach ($res as $key => $value) {
                 $kline = Kline::transferBinanceRest($value);
                 $newKlines[] = $kline;
             }