update:es host优化

src/Elastic/ElasticUtil.php

@@ -20,8 +20,11 @@ final class ElasticUtil
      * ElasticUtil constructor.
      * @param $hosts
      */
-    public function __construct($hosts)
+    public function __construct()
     {
+        $hostStr = config("elasticsearch", "goods.host");
+        $hosts = explode(",", $hostStr);
+        
         $this->client = ClientBuilder::create()->setHosts($hosts)->build();
     }
 
@@ -29,10 +32,10 @@ final class ElasticUtil
      * @param $hosts
      * @return ElasticUtil
      */
-    public static function getInstance($hosts): ElasticUtil
+    public static function getInstance(): ElasticUtil
     {
         if (empty(self::$instance)) {
-            self::$instance = new self($hosts);
+            self::$instance = new self();
         }
         return self::$instance;
     }