feat:okx k线对应

@@ -349,7 +349,25 @@ class CmBroker
             return $period;
         }
         if ($platTarget == self::PLAT_OKX) {
-            return str_replace('s', 'S', $period);
+            $arr = [
+                '1s' => 'candle1s',
+                '1m' => 'candle1m',
+                '3m' => 'candle3m',
+                '5m' => 'candle5m',
+                '15m' => 'candle15m',
+                '30m' => 'candle30m',
+                '1h' => 'candle1H',
+                '2h' => 'candle2H',
+                '4h' => 'candle4H',
+                '6h' => 'candle6H',
+                '12h' => 'candle12H',
+                '1d' => 'candle1D',
+                '1w' => 'candle1W',
+            ];
+            if (!isset($arr[$period])) {
+                throw new Exception('周期错误,' . $this->plat . '不支持的周期' . $period);
+            }
+            return $arr[$period];
         }
         if ($platTarget == self::PLAT_BYBIT) {
             $arr = [

@@ -73,7 +73,7 @@ class ExBroker
                 $subData['op'] = 'subscribe';
                 $subData['args'] = [
                     [
-                        'channel' => $this->getKlineChannels()[$period],
+                        'channel' => $period,
                         'instId' => $symbol,
                     ],
                 ];
@@ -178,22 +178,6 @@ class ExBroker
     {
         return $this->api->placeOrder($param);
     }
-    public function getKlineChannels()
-    {
-        return [
-            '1s' => 'candle1s',
-            '1m' => 'candle1m',
-            '5m' => 'candle5m',
-            '15m' => 'candle15m',
-            '30m' => 'candle30m',
-            '1h' => 'candle1H',
-            '2h' => 'candle2H',
-            '4h' => 'candle4H',
-            '6h' => 'candle6H',
-            '12h' => 'candle12H',
-            '1d' => 'candle1D',
-        ];
-    }
     public function getSymbolInfos()
     {
         $res = $this->api->instruments(["instType" => "SWAP"]);