diff --git a/nexus/Imdb/Imdb.php b/nexus/Imdb/Imdb.php
index ac40c9b4..dd389e72 100644
--- a/nexus/Imdb/Imdb.php
+++ b/nexus/Imdb/Imdb.php
@@ -11,7 +11,7 @@ class Imdb
 
     private $movie;
 
-    private $pages = array('Title', 'Credits', 'Amazon', 'Goofs', 'Plot', 'Comments', 'Quotes', 'Taglines', 'Plotoutline', 'Trivia', 'Directed');
+    private $pages = array('Title', 'Credits', 'ReleaseInfo', );
 
     public function __construct()
     {
@@ -47,16 +47,16 @@ class Imdb
         return true;
     }
 
-    public function getCachedAt(int $id, string $page)
+    public function getCachedAt(int $id)
     {
         $id = parse_imdb_id($id);
-        $log = "id: $id, page: $page";
-        $cacheFile = $this->getCacheFilePath($id, $page);
+        $log = "id: $id";
+        $cacheFile = $this->getCacheFilePath($id);
         if (!file_exists($cacheFile)) {
             $log .= ", file: $cacheFile not exits";
         }
         $result = filemtime($cacheFile);
-        $log .= ", cache at: $result";
+        $log .= ", file: $cacheFile cache at: $result";
         do_log($log);
         return $result;
     }
@@ -64,15 +64,13 @@ class Imdb
     /**
      * @date 2021/1/18
      * @param int $id
-     * @param string $page Title, Credits, etc...
      * @return int state (0-not complete, 1-cache complete)
      */
-    public function getCacheStatus(int $id, string $page)
+    public function getCacheStatus(int $id)
     {
-        return 1;
         $id = parse_imdb_id($id);
-        $log = "id: $id, page: $page";
-        $cacheFile = $this->getCacheFilePath($id, $page);
+        $log = "id: $id";
+        $cacheFile = $this->getCacheFilePath($id);
         if (!file_exists($cacheFile)) {
             $log .= ", file: $cacheFile not exits";
             do_log($log);
@@ -88,9 +86,10 @@ class Imdb
 
     public function purgeSingle($id)
     {
-        foreach ($this->pages as $page) {
-            $file = $this->getCacheFilePath($id, $page);
+        $mainCacheFile =  $this->getCacheFilePath($id);
+        foreach (glob("$mainCacheFile*") as $file) {
             if (file_exists($file)) {
+                do_log("unlink: $file");
                 unlink($file);
             }
         }
@@ -105,9 +104,26 @@ class Imdb
         return $this->movie;
     }
 
-    private function getCacheFilePath($id, $page)
+    private function getCacheFilePath($id, $suffix = '')
     {
-        return sprintf('%s%s.%s', $this->config->cachedir, $id, $page);
+        $id = parse_imdb_id($id);
+        $result = sprintf('%stitle.tt%s', $this->config->cachedir, $id);
+        if ($suffix) {
+            $result .= ".$suffix";
+        }
+        return $result;
+    }
+
+    public function updateCache($id)
+    {
+        $id = parse_imdb_id($id);
+        $movie = $this->getMovie($id);
+        //because getPate() is protected, so...
+        $movie->title();
+        $movie->photo_localurl();
+        $movie->releaseInfo();
+        return true;
+
     }
 
     public function renderDetailsPageDescription($torrentId, $imdbId)
diff --git a/nexus/PTGen/PTGen.php b/nexus/PTGen/PTGen.php
index 79ad9bd2..32cc9b05 100644
--- a/nexus/PTGen/PTGen.php
+++ b/nexus/PTGen/PTGen.php
@@ -77,12 +77,16 @@ class PTGen
     {
         global $lang_details;
         $ptGenFormatted = $ptGenArr['format'];
-        $prefix = sprintf("[img]%s[/img]\n", $ptGenArr['poster']);
-        $ptGenFormatted = mb_substr($ptGenFormatted, mb_strlen($prefix, 'utf-8') + 1);
+        $poster = '';
+        if (!empty($ptGenArr['poster'])) {
+            $poster = $ptGenArr['poster'];
+            $prefix = sprintf("[img]%s[/img]\n", $poster);
+            $ptGenFormatted = mb_substr($ptGenFormatted, mb_strlen($prefix, 'utf-8') + 1);
+        }
         $ptGenFormatted = format_comment($ptGenFormatted);
         $ptGenFormatted .= sprintf(
             '%s%s%s<a href="retriver.php?id=%s&type=1&siteid=%s">%s</a>',
-            $lang_details['text_information_updated_at'], date('Y-m-d H:i:s', intval($ptGenArr['generate_at'] / 1000)), $lang_details['text_might_be_outdated'],
+            $lang_details['text_information_updated_at'], !empty($ptGenArr['generate_at']) ? date('Y-m-d H:i:s', intval($ptGenArr['generate_at'] / 1000)) : '', $lang_details['text_might_be_outdated'],
             $torrentId, $site, $lang_details['text_here_to_update']
         );
         $titleShowOrHide = $lang_details['title_show_or_hide'] ?? '';
@@ -97,7 +101,7 @@ class PTGen
             </span>
         </a>
         <div id="poster{$id}">
-            <img src="{$ptGenArr['poster']}" width="105" onclick="Preview(this);" alt="poster" />
+            <img src="{$poster}" width="105" onclick="Preview(this);" alt="poster" />
         </div>
     </td>
     <td class="rowfollow" align="left">
@@ -113,6 +117,7 @@ HTML;
     private function request(string $url, bool $withoutCache = false): array
     {
         global $Cache;
+        $begin = microtime(true);
         $logPrefix = "url: $url";
         $cacheKey = $this->getApiPointResultCacheKey($url);
         if (!$withoutCache) {
@@ -123,7 +128,7 @@ HTML;
             }
         }
         $http = new Client();
-        $response = $http->get($url, ['timeout' => 10]);
+        $response = $http->get($url, ['timeout' => 5]);
         $statusCode = $response->getStatusCode();
         if ($statusCode != 200) {
             $msg = "api point response http status code: $statusCode";
@@ -148,7 +153,7 @@ HTML;
             throw new PTGenException($msg);
         }
         $Cache->cache_value($cacheKey, $bodyArr, 24 * 3600);
-        do_log("$logPrefix, success get from api point");
+        do_log("$logPrefix, success get from api point, use time: " . (microtime(true) - $begin));
         return $bodyArr;
     }
 
@@ -195,7 +200,16 @@ HTML;
                 ];
                 $html .= $this->buildDetailsPageTableRow($torrentId, $data, $site);
             } else {
-                $ptGenArr = $this->generate($torrentPtGenArr[$site]['link']);
+                try {
+                    $ptGenArr = $this->generate($torrentPtGenArr[$site]['link']);
+                } catch (\Exception $e) {
+                    $log = $e->getMessage() . ", trace: " . $e->getTraceAsString();
+                    do_log($log,'error');
+                    $ptGenArr = [
+                        'format' => $e->getMessage()
+                    ];
+                }
+
                 $jsonArr[$site] = [
                     'link' => $link,
                     'data' => $ptGenArr,
diff --git a/public/details.php b/public/details.php
index ba87d303..b3a4fc48 100644
--- a/public/details.php
+++ b/public/details.php
@@ -139,7 +139,7 @@ else {
 		{
 			$thenumbers = $imdb_id;
 			if (!$moviename = $Cache->get_value('imdb_id_'.$thenumbers.'_movie_name')){
-				switch ($imdb->getCacheStatus($imdb_id, 'Title')){
+				switch ($imdb->getCacheStatus($imdb_id)){
 					case "1":{
 						$moviename = $movie->title (); break;
 						$Cache->cache_value('imdb_id_'.$thenumbers.'_movie_name', $moviename, 1296000);
@@ -172,7 +172,7 @@ else {
 
 		$Cache->new_page('imdb_id_'.$thenumbers.'_large', 1296000, true);
 		if (!$Cache->get_page()){
-			switch ($imdb->getCacheStatus($imdb_id, 'Title'))
+			switch ($imdb->getCacheStatus($imdb_id))
 			{
 				case "0" : //cache is not ready, try to
 				{
@@ -191,7 +191,7 @@ else {
                             $smallth = "<img src=\"pic/nophoto.gif\" alt=\"no poster\" />";
 
                         $autodata = $imdb->renderDetailsPageDescription($row['id'], $imdb_id);
-                        $cache_time = $imdb->getCachedAt($imdb_id, 'Title');
+                        $cache_time = $imdb->getCachedAt($imdb_id);
                         $Cache->add_whole_row();
                         print("<tr>");
                         print("<td class=\"rowhead\"><a href=\"javascript: klappe_ext('imdb')\"><span class=\"nowrap\"><img class=\"minus\" src=\"pic/trans.gif\" alt=\"Show/Hide\" id=\"picimdb\" title=\"".$lang_details['title_show_or_hide']."\" /> ".$lang_details['text_imdb'] . $lang_details['row_info'] ."</span></a><div id=\"posterimdb\">".  $smallth."</div></td>");
diff --git a/public/retriver.php b/public/retriver.php
index f36a9da2..3f0195ac 100644
--- a/public/retriver.php
+++ b/public/retriver.php
@@ -27,15 +27,20 @@ switch ($siteid)
 		{
 			$thenumbers = $imdb_id;
 			$imdb = new \Nexus\Imdb\Imdb();
-			$movie = $imdb->getMovie($imdb_id);
-			$movieid = $thenumbers;
-			$target = array('Title', 'Credits', 'Plot');
-			($type == 2 ? $imdb->purgeSingle($imdb_id) : "");
 			set_cachetimestamp($id,"cache_stamp");
-			$Cache->delete_value('imdb_id_'.$thenumbers.'_movie_name');
-			$Cache->delete_value('imdb_id_'.$thenumbers.'_large', true);
-			$Cache->delete_value('imdb_id_'.$thenumbers.'_median', true);
-			$Cache->delete_value('imdb_id_'.$thenumbers.'_minor', true);
+
+			$imdb->purgeSingle($imdb_id);
+
+			try {
+				$imdb->updateCache($imdb_id);
+				$Cache->delete_value('imdb_id_'.$thenumbers.'_movie_name');
+				$Cache->delete_value('imdb_id_'.$thenumbers.'_large', true);
+				$Cache->delete_value('imdb_id_'.$thenumbers.'_median', true);
+				$Cache->delete_value('imdb_id_'.$thenumbers.'_minor', true);
+			} catch (\Exception $e) {
+				$log = $e->getMessage() . ", trace: " . $e->getTraceAsString();
+				do_log($log, 'error');
+			}
 			header("Location: " . get_protocol_prefix() . "$BASEURL/details.php?id=".htmlspecialchars($id));
 		}
 		break;
@@ -47,9 +52,14 @@ switch ($siteid)
 			$ptGenInfo = json_decode($row['pt_gen'], true);
 			$link = $ptGenInfo[$siteid]['link'];
 			$ptGen = new \Nexus\PTGen\PTGen();
-			$result = $ptGen->generate($link, true);
-			$ptGenInfo[$siteid]['data'] = $result;
-			sql_query(sprintf("update torrents set pt_gen = %s where id = %s", sqlesc(json_encode($ptGenInfo)), $id))  or sqlerr(__FILE__, __LINE__);
+			try {
+				$result = $ptGen->generate($link, true);
+				$ptGenInfo[$siteid]['data'] = $result;
+				sql_query(sprintf("update torrents set pt_gen = %s where id = %s", sqlesc(json_encode($ptGenInfo)), $id))  or sqlerr(__FILE__, __LINE__);
+			} catch (\Exception $e) {
+				$log = $e->getMessage() . ", trace: " . $e->getTraceAsString();
+				do_log($log, 'error');
+			}
 			header("Location: " . get_protocol_prefix() . "$BASEURL/details.php?id=".htmlspecialchars($id));
 			break;
 		}