feat:空api可以不初始化账户信息

@@ -67,11 +67,13 @@ class CmBroker
     public $levers = [];
     public $uid;
     public $posMode = '';
+    public ?ApiInfo $apiInfo;
 
 
     public function __construct($plat, ?ApiInfo $apiInfo, $wsHost = null, $restHost = null)
     {
         $this->plat = $plat;
+        $this->apiInfo = $apiInfo;
         $exBroker = null;
         if ($plat == self::PLAT_OKX) {
             $exBroker = new OkxBroker($apiInfo);
@@ -752,7 +754,7 @@ class CmBroker
     }
     private function initPosMode()
     {
-        if ($this->plat == self::PLAT_OKX) {
+        if ($this->plat == self::PLAT_OKX && $this->apiInfo->key != '') {
             $res = $this->exBroker->getAccountConfig();
             $config = $res['data'][0];
             $this->posMode = $config['posMode'] == 'long_short_mode' ? self::MODE_TWO_SIDE : self::MODE_ONE_SIDE;