update:es host配置

src/Elastic/ElasticUtil.php

@@ -26,12 +26,13 @@ final class ElasticUtil
     }
 
     /**
+     * @param $hosts
      * @return ElasticUtil
      */
-    public static function getInstance(): ElasticUtil
+    public static function getInstance($hosts): ElasticUtil
     {
         if (empty(self::$instance)) {
-            self::$instance = new self();
+            self::$instance = new self($hosts);
         }
         return self::$instance;
     }