feat:修改默认host

@@ -15,7 +15,8 @@ class Api
 {
     private ?ApiInfo $apiInfo = null;
     // private string $host = "https://www.okx.com";
-    private string $host = "http://okapi.keetu.com";
+    // private string $host = "http://okapi.keetu.com";
+    private string $host = "http://okapi.a.indigo888.com";
 
     public function __construct($apiInfo = null, $host = "")
     {

@@ -16,7 +16,8 @@ use function jytools\output;
 class ExBroker
 {
     // static private $host = 'wss://ws.okx.com:8443';
-    static private $host = 'ws://okws.keetu.com';
+    // static private $host = 'ws://okws.keetu.com';
+    static private $host = 'ws://okws.a.indigo888.com';
     static private $pathPrivate = '/ws/v5/private';
     static private $pathPublic = '/ws/v5/public';
     static private $pathBusiness = '/ws/v5/business';