diff --git a/app/common.php b/app/common.php
index c87ae35..df8086e 100644
--- a/app/common.php
+++ b/app/common.php
@@ -312,7 +312,7 @@ function getMainDomain($host)
         }
     }
     $domain_root = file_get_contents(app()->getBasePath() . 'data' . DIRECTORY_SEPARATOR . 'domain_root.txt');
-    $domain_root = explode("\r\n", $domain_root);
+    $domain_root = explode("\n", $domain_root);
     $data = explode('.', $host);
     $co_ta = count($data);
     if ($co_ta <= 2) return $host;
diff --git a/app/lib/dns/henet.php b/app/lib/dns/henet.php
index 5d579af..ce4c483 100644
--- a/app/lib/dns/henet.php
+++ b/app/lib/dns/henet.php
@@ -534,7 +534,7 @@ class henet implements DnsInterface
     private function saveCachedSession()
     {
         if ($this->cookie !== '') {
-            Cache::set($this->cacheKey, $this->cookie, 3600);
+            Cache::set($this->cacheKey, $this->cookie, 3600 * 12);
         }
     }