feat:修复交易对查询太少

@@ -189,7 +189,7 @@ class ExBroker
 
     public function getSymbolInfos()
     {
-        $res = $this->api->instruments(["category" => "linear"]);
+        $res = $this->api->instruments(["category" => "linear", "limit" => "1000"]);
         if ($res['retCode'] != '0') {
             output('bybit获取所有交易对信息失败');
             return [];