diff --git a/classes/class_cache_redis.php b/classes/class_cache_redis.php
index 7170e53c..c972991b 100644
--- a/classes/class_cache_redis.php
+++ b/classes/class_cache_redis.php
@@ -331,4 +331,18 @@ class RedisCache {
     {
         return is_numeric($value) ? $value : unserialize($value);
     }
+
+    /**
+     * get the redis client
+     *
+     * @date 2021/1/15
+     * @return Redis
+     */
+    public function getRedis()
+    {
+        if ($this->getIsEnabled()) {
+            return $this->redis;
+        }
+        return null;
+    }
 }
diff --git a/composer.json b/composer.json
index d73d75ea..14767b76 100644
--- a/composer.json
+++ b/composer.json
@@ -17,6 +17,6 @@
     "require": {
         "php": "^7.2|^8",
         "swiftmailer/swiftmailer": "^6.2",
-        "guzzlehttp/guzzle": "^7.2"
+        "guzzlehttp/guzzle": "~6.0"
     }
 }
diff --git a/composer.lock b/composer.lock
index 760eedb8..3f9bd563 100644
--- a/composer.lock
+++ b/composer.lock
@@ -4,7 +4,7 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
         "This file is @generated automatically"
     ],
-    "content-hash": "1f39d5c11cefe6eb838c17586c056ce7",
+    "content-hash": "5e27df0bf1d474656f062b3f264353ee",
     "packages": [
         {
             "name": "doctrine/lexer",
@@ -72,6 +72,20 @@
                 "parser",
                 "php"
             ],
+            "funding": [
+                {
+                    "url": "https://www.doctrine-project.org/sponsorship.html",
+                    "type": "custom"
+                },
+                {
+                    "url": "https://www.patreon.com/phpdoctrine",
+                    "type": "patreon"
+                },
+                {
+                    "url": "https://tidelift.com/funding/github/packagist/doctrine%2Flexer",
+                    "type": "tidelift"
+                }
+            ],
             "time": "2020-05-25T17:44:05+00:00"
         },
         {
@@ -136,20 +150,26 @@
                 "validation",
                 "validator"
             ],
+            "funding": [
+                {
+                    "url": "https://github.com/egulias",
+                    "type": "github"
+                }
+            ],
             "time": "2020-12-29T14:50:06+00:00"
         },
         {
             "name": "guzzlehttp/guzzle",
-            "version": "7.2.0",
+            "version": "6.5.5",
             "source": {
                 "type": "git",
                 "url": "https://github.com/guzzle/guzzle.git",
-                "reference": "0aa74dfb41ae110835923ef10a9d803a22d50e79"
+                "reference": "9d4290de1cfd701f38099ef7e183b64b4b7b0c5e"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/guzzle/guzzle/zipball/0aa74dfb41ae110835923ef10a9d803a22d50e79",
-                "reference": "0aa74dfb41ae110835923ef10a9d803a22d50e79",
+                "url": "https://api.github.com/repos/guzzle/guzzle/zipball/9d4290de1cfd701f38099ef7e183b64b4b7b0c5e",
+                "reference": "9d4290de1cfd701f38099ef7e183b64b4b7b0c5e",
                 "shasum": "",
                 "mirrors": [
                     {
@@ -160,29 +180,23 @@
             },
             "require": {
                 "ext-json": "*",
-                "guzzlehttp/promises": "^1.4",
-                "guzzlehttp/psr7": "^1.7",
-                "php": "^7.2.5 || ^8.0",
-                "psr/http-client": "^1.0"
-            },
-            "provide": {
-                "psr/http-client-implementation": "1.0"
+                "guzzlehttp/promises": "^1.0",
+                "guzzlehttp/psr7": "^1.6.1",
+                "php": ">=5.5",
+                "symfony/polyfill-intl-idn": "^1.17.0"
             },
             "require-dev": {
                 "ext-curl": "*",
-                "php-http/client-integration-tests": "^3.0",
-                "phpunit/phpunit": "^8.5.5 || ^9.3.5",
+                "phpunit/phpunit": "^4.8.35 || ^5.7 || ^6.4 || ^7.0",
                 "psr/log": "^1.1"
             },
             "suggest": {
-                "ext-curl": "Required for CURL handler support",
-                "ext-intl": "Required for Internationalized Domain Name (IDN) support",
                 "psr/log": "Required for using the Log middleware"
             },
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "7.1-dev"
+                    "dev-master": "6.5-dev"
                 }
             },
             "autoload": {
@@ -202,11 +216,6 @@
                     "name": "Michael Dowling",
                     "email": "mtdowling@gmail.com",
                     "homepage": "https://github.com/mtdowling"
-                },
-                {
-                    "name": "Márk Sági-Kazár",
-                    "email": "mark.sagikazar@gmail.com",
-                    "homepage": "https://sagikazarmark.hu"
                 }
             ],
             "description": "Guzzle is a PHP HTTP client library",
@@ -217,12 +226,10 @@
                 "framework",
                 "http",
                 "http client",
-                "psr-18",
-                "psr-7",
                 "rest",
                 "web service"
             ],
-            "time": "2020-10-10T11:47:56+00:00"
+            "time": "2020-06-16T21:01:06+00:00"
         },
         {
             "name": "guzzlehttp/promises",
@@ -358,61 +365,6 @@
             ],
             "time": "2020-09-30T07:37:11+00:00"
         },
-        {
-            "name": "psr/http-client",
-            "version": "1.0.1",
-            "source": {
-                "type": "git",
-                "url": "https://github.com/php-fig/http-client.git",
-                "reference": "2dfb5f6c5eff0e91e20e913f8c5452ed95b86621"
-            },
-            "dist": {
-                "type": "zip",
-                "url": "https://api.github.com/repos/php-fig/http-client/zipball/2dfb5f6c5eff0e91e20e913f8c5452ed95b86621",
-                "reference": "2dfb5f6c5eff0e91e20e913f8c5452ed95b86621",
-                "shasum": "",
-                "mirrors": [
-                    {
-                        "url": "https://mirrors.aliyun.com/composer/dists/%package%/%reference%.%type%",
-                        "preferred": true
-                    }
-                ]
-            },
-            "require": {
-                "php": "^7.0 || ^8.0",
-                "psr/http-message": "^1.0"
-            },
-            "type": "library",
-            "extra": {
-                "branch-alias": {
-                    "dev-master": "1.0.x-dev"
-                }
-            },
-            "autoload": {
-                "psr-4": {
-                    "Psr\\Http\\Client\\": "src/"
-                }
-            },
-            "notification-url": "https://packagist.org/downloads/",
-            "license": [
-                "MIT"
-            ],
-            "authors": [
-                {
-                    "name": "PHP-FIG",
-                    "homepage": "http://www.php-fig.org/"
-                }
-            ],
-            "description": "Common interface for HTTP clients",
-            "homepage": "https://github.com/php-fig/http-client",
-            "keywords": [
-                "http",
-                "http-client",
-                "psr",
-                "psr-18"
-            ],
-            "time": "2020-06-29T06:28:15+00:00"
-        },
         {
             "name": "psr/http-message",
             "version": "1.0.1",
@@ -580,6 +532,16 @@
                 "mail",
                 "mailer"
             ],
+            "funding": [
+                {
+                    "url": "https://github.com/fabpot",
+                    "type": "github"
+                },
+                {
+                    "url": "https://tidelift.com/funding/github/packagist/swiftmailer/swiftmailer",
+                    "type": "tidelift"
+                }
+            ],
             "time": "2021-01-12T09:35:59+00:00"
         },
         {
@@ -649,6 +611,20 @@
                 "portable",
                 "shim"
             ],
+            "funding": [
+                {
+                    "url": "https://symfony.com/sponsor",
+                    "type": "custom"
+                },
+                {
+                    "url": "https://github.com/fabpot",
+                    "type": "github"
+                },
+                {
+                    "url": "https://tidelift.com/funding/github/packagist/symfony/symfony",
+                    "type": "tidelift"
+                }
+            ],
             "time": "2021-01-07T16:49:33+00:00"
         },
         {
@@ -725,6 +701,20 @@
                 "portable",
                 "shim"
             ],
+            "funding": [
+                {
+                    "url": "https://symfony.com/sponsor",
+                    "type": "custom"
+                },
+                {
+                    "url": "https://github.com/fabpot",
+                    "type": "github"
+                },
+                {
+                    "url": "https://tidelift.com/funding/github/packagist/symfony/symfony",
+                    "type": "tidelift"
+                }
+            ],
             "time": "2021-01-07T16:49:33+00:00"
         },
         {
@@ -798,6 +788,20 @@
                 "portable",
                 "shim"
             ],
+            "funding": [
+                {
+                    "url": "https://symfony.com/sponsor",
+                    "type": "custom"
+                },
+                {
+                    "url": "https://github.com/fabpot",
+                    "type": "github"
+                },
+                {
+                    "url": "https://tidelift.com/funding/github/packagist/symfony/symfony",
+                    "type": "tidelift"
+                }
+            ],
             "time": "2021-01-07T17:09:11+00:00"
         },
         {
@@ -867,6 +871,20 @@
                 "portable",
                 "shim"
             ],
+            "funding": [
+                {
+                    "url": "https://symfony.com/sponsor",
+                    "type": "custom"
+                },
+                {
+                    "url": "https://github.com/fabpot",
+                    "type": "github"
+                },
+                {
+                    "url": "https://tidelift.com/funding/github/packagist/symfony/symfony",
+                    "type": "tidelift"
+                }
+            ],
             "time": "2021-01-07T16:49:33+00:00"
         },
         {
@@ -932,6 +950,20 @@
                 "portable",
                 "shim"
             ],
+            "funding": [
+                {
+                    "url": "https://symfony.com/sponsor",
+                    "type": "custom"
+                },
+                {
+                    "url": "https://github.com/fabpot",
+                    "type": "github"
+                },
+                {
+                    "url": "https://tidelift.com/funding/github/packagist/symfony/symfony",
+                    "type": "tidelift"
+                }
+            ],
             "time": "2021-01-07T16:49:33+00:00"
         }
     ],
@@ -944,5 +976,6 @@
     "platform": {
         "php": "^7.2|^8"
     },
-    "platform-dev": []
+    "platform-dev": [],
+    "plugin-api-version": "1.1.0"
 }
diff --git a/include/functions.php b/include/functions.php
index c6905651..f436563a 100644
--- a/include/functions.php
+++ b/include/functions.php
@@ -2594,7 +2594,7 @@ function stdfoot() {
 	if ($enablesqldebug_tweak == 'yes' && get_user_class() >= $sqldebug_tweak) {
 		print("<div id=\"sql_debug\">SQL query list: <ul>");
 		foreach($query_name as $query) {
-			print(sprintf('<li>%s [%s ms]</li>', htmlspecialchars($query['query']), $query['time'] * 1000));
+			print(sprintf('<li>%s [%s]</li>', htmlspecialchars($query['query']), $query['time']));
 		}
 		print("</ul>");
 		print("Redis key read: <ul>");
diff --git a/include/globalfunctions.php b/include/globalfunctions.php
index 79ee335f..91691405 100644
--- a/include/globalfunctions.php
+++ b/include/globalfunctions.php
@@ -70,9 +70,10 @@ function sql_query($query)
 	$begin = microtime(true);
 	global $query_name;
 	$result = mysql_query($query);
+	$end = microtime(true);
 	$query_name[] = [
 		'query' => $query,
-		'time' => microtime(true) - $begin,
+		'time' => sprintf('%.3f ms', ($end - $begin) * 1000),
 	];
 	return $result;
 }
diff --git a/lang/chs/lang_functions.php b/lang/chs/lang_functions.php
index e7c6fc39..b14a425d 100644
--- a/lang/chs/lang_functions.php
+++ b/lang/chs/lang_functions.php
@@ -288,6 +288,12 @@ $lang_functions = array
 	'text_thirty_percent_down' => "30%",
 	'text_please_download_something_within' => "请在",
 	'text_inactive_account_be_deleted' => "内做些下载。没有流量的用户会被删除账号。",
+	'row_pt_gen_douban_url' => "PT-Gen douban 链接",
+	'text_pt_gen_douban_url_note' => "(来自 <strong><a href=\"https://www.douban.com/\">douban</a></strong> 的链接。如电影 <b>Transformers</b> 的链接是<b> https://movie.douban.com/subject/1794171/</b>)",
+	'row_pt_gen_imdb_url' => "PT-Gen imdb 链接",
+	'text_pt_gen_imdb_url_note' => "(来自 <strong><a href=\"https://www.imdb.com//\">imdb</a></strong> 的链接。如电影 <b>Transformers</b> 的链接是<b> https://www.imdb.com/title/tt0418279/</b>)",
+	'row_pt_gen_bangumi_url' => "PT-Gen bangumi 链接",
+	'text_pt_gen_bangumi_url_note' => "(来自 <strong><a href=\"https://bangumi.tv/\">bangumi</a></strong> 的链接。如动画 <b>星际牛仔</b> 的链接是<b> https://bangumi.tv/subject/253/</b>)",
 );
 
 ?>
diff --git a/lang/chs/lang_settings.php b/lang/chs/lang_settings.php
index ee288806..78aebc20 100644
--- a/lang/chs/lang_settings.php
+++ b/lang/chs/lang_settings.php
@@ -393,6 +393,8 @@ $lang_settings = array
 	'text_show_classic_note' => "默认'否'。在首页显示经典资源。只有指定的总版主或以上等级能够挑选热门资源。",
 	'row_enable_imdb_system' => "开启IMDb系统",
 	'text_imdb_system_note' => "默认'是'。全局IMDb系统设定。",
+	'row_enable_pt_gen_system' => '开启 PT-Gen 系统',
+	'text_enable_pt_gen_system_note' => "默认'是'。全局 PT-Gen 系统设定。",
 	'row_enable_school_system' => "开启学校系统",
 	'text_school_system_note' => "默认'否'。如果对这项功能不清楚，<font class=striking><b>不要</b></font>开启它。",
 	'row_restrict_email_domain' => "限制邮箱域",
diff --git a/lang/cht/lang_functions.php b/lang/cht/lang_functions.php
index a57172a7..28bccdad 100644
--- a/lang/cht/lang_functions.php
+++ b/lang/cht/lang_functions.php
@@ -288,6 +288,11 @@ $lang_functions = array
 	'text_thirty_percent_down' => "30%",
 	'text_please_download_something_within' => "請在",
 	'text_inactive_account_be_deleted' => "內做些下載。沒有流量的用戶會被移除賬號。",
+	'text_pt_gen_douban_url_note' => "(來自 <strong><a href=\"https://www.douban.com/\">douban</a></strong> 的鏈接。如電影 <b>Transformers</b> 的鏈接是<b> https://movie.douban.com/subject/1794171/</b>)",
+	'row_pt_gen_imdb_url' => "PT-Gen imdb 鏈接",
+	'text_pt_gen_imdb_url_note' => "(來自 <strong><a href=\"https://www.imdb.com//\">imdb</a></strong> 的鏈接。如電影 <b>Transformers</b> 的鏈接是<b> https://www.imdb.com/title/tt0418279/</b>)",
+	'row_pt_gen_bangumi_url' => "PT-Gen bangumi 鏈接",
+	'text_pt_gen_bangumi_url_note' => "(來自 <strong><a href=\"https://bangumi.tv/\">bangumi</a></strong> 的鏈接。如動畫 <b>星際牛仔</b> 的鏈接是<b> https://bangumi.tv/subject/253/</b>)",
 );
 
 ?>
diff --git a/lang/cht/lang_settings.php b/lang/cht/lang_settings.php
index 1d11bcf9..e33ebef9 100644
--- a/lang/cht/lang_settings.php
+++ b/lang/cht/lang_settings.php
@@ -393,7 +393,9 @@ $lang_settings = array
 	'row_show_classic' => "察看經典資源",
 	'text_show_classic_note' => "預設'否'。在首頁察看經典資源。只有指定的總版主或以上等級能夠挑揀熱門資源。",
 	'row_enable_imdb_system' => "開啟IMDb系統",
-	'text_imdb_system_note' => "預設'是'。全域IMDb系統設定。",
+	'text_enable_pt_gen_system_note' => "預設'是'。全域IMDb系統設定。",
+	'row_enable_pt_gen_system' => '開啟 PT-Gen 系統',
+	'text_enable_pt_gen_note' => "默認'是'。全局 PT-Gen 系統設定。",
 	'row_enable_school_system' => "開啟學校系統",
 	'text_school_system_note' => "預設'否'。如果對這項功能不清楚，<font class=striking><b>不要</b></font>開啟它。",
 	'row_restrict_email_domain' => "限制郵箱域",
diff --git a/lang/en/lang_functions.php b/lang/en/lang_functions.php
index a478cf41..fba7efab 100644
--- a/lang/en/lang_functions.php
+++ b/lang/en/lang_functions.php
@@ -288,6 +288,12 @@ $lang_functions = array
 	'text_thirty_percent_down' => "30%",
 	'text_please_download_something_within' => "Please download something within ",
 	'text_inactive_account_be_deleted' => ". Inactive accounts (with no transfer amount) will be deleted.",
+	'row_pt_gen_douban_url' => "PT-Gen douban link",
+	'text_pt_gen_douban_url_note' => "(URL taken from <strong><a href=\"https://www.douban.com/\">douban</a></strong>. e.g.&nbsp;for movie <b>Transformers</b> the URL is <b> https://movie.douban.com/subject/1794171//</b>)",
+	'row_pt_gen_imdb_url' => "PT-Gen imdb link",
+	'text_pt_gen_imdb_url_note' => "(URL taken from <strong><a href=\"https://www.imdb.com/\">imdb</a></strong>. e.g.&nbsp;for movie <b>Transformers</b> the URL is <b> https://www.imdb.com/title/tt0418279/</b>)",
+	'row_pt_gen_bangumi_url' => "PT-Gen bangumi link",
+	'text_pt_gen_bangumi_url_note' => "(URL taken from <strong><a href=\"https://bangumi.tv/\">bangumi</a></strong>. e.g.&nbsp;for animation <b>Cowboy Bebop</b> the URL is <b>https://bangumi.tv/subject/253/</b>)",
 );
 
 ?>
diff --git a/lang/en/lang_settings.php b/lang/en/lang_settings.php
index 58911033..8e9cab5b 100644
--- a/lang/en/lang_settings.php
+++ b/lang/en/lang_settings.php
@@ -393,6 +393,8 @@ $lang_settings = array
 	'text_show_classic_note' => "Default 'no'. Show classic resources on main page. Only designated moderators or above can pick classic resources.",
 	'row_enable_imdb_system' => "Enable IMDb system",
 	'text_imdb_system_note' => "Default 'yes'. System-wide IMDb info setting.",
+	'text_enable_pt_gen_system_note' => 'Enable PT-Gen system',
+	'text_enable_pt_gen_note' => "Default 'yes'. System-wide PT-Gen info setting.",
 	'row_enable_school_system' => "Enable school system",
 	'text_school_system_note' => "Default 'no'. <font class=striking><b>DO NOT</b></font> enable this unless you know what you are doing!",
 	'row_restrict_email_domain' => "Restrict Email Domain",
diff --git a/nexus/PTGen/PTGen.php b/nexus/PTGen/PTGen.php
index dc1b399a..6aa2c3eb 100644
--- a/nexus/PTGen/PTGen.php
+++ b/nexus/PTGen/PTGen.php
@@ -14,19 +14,30 @@ class PTGen
 {
     private $apiPoint;
 
+    const FORMAT_HTML = 1;
+    const FORMAT_JSON = 2;
+
+    private static $formatText = [
+        self::FORMAT_HTML => 'HTML',
+        self::FORMAT_JSON => 'json',
+    ];
+
     const SITE_DOUBAN = 'douban';
     const SITE_IMDB = 'imdb';
     const SITE_BANGUMI = 'bangumi';
 
     private static $validSites = [
-        self::SITE_DOUBAN => [
-            'url_pattern' => '/(?:https?:\/\/)?(?:(?:movie|www)\.)?douban\.com\/(?:subject|movie)\/(\d+)\/?/',
-        ],
         self::SITE_IMDB => [
             'url_pattern' => '/(?:https?:\/\/)?(?:www\.)?imdb\.com\/title\/(tt\d+)\/?/',
+            'home_page' => 'https://www.imdb.com/',
+        ],
+        self::SITE_DOUBAN => [
+            'url_pattern' => '/(?:https?:\/\/)?(?:(?:movie|www)\.)?douban\.com\/(?:subject|movie)\/(\d+)\/?/',
+            'home_page' => 'https://www.douban.com/',
         ],
         self::SITE_BANGUMI => [
             'url_pattern' => '/(?:https?:\/\/)?(?:bgm\.tv|bangumi\.tv|chii\.in)\/subject\/(\d+)\/?/',
+            'home_page' => 'https://bangumi.tv/',
         ],
     ];
 
@@ -46,27 +57,61 @@ class PTGen
         $this->apiPoint = $apiPoint;
     }
 
-    public function generateDouban(string $url): string
+    public function generate(string $url): array
     {
-        return $this->request($url, self::SITE_DOUBAN);
+        foreach (self::$validSites as $site => $info) {
+            if (preg_match($info['url_pattern'], $url, $matches)) {
+                $targetUrl = sprintf('%s/?site=%s&sid=%s', trim($this->apiPoint, '/'), $site , $matches[1]);
+                return $this->request($targetUrl);
+            }
+        }
+        throw new PTGenException("invalid url: $url");
     }
 
-    public function generateImdb(string $url): string
+    private function buildDetailsPageTableRow($ptGenArr, $site)
     {
-        return $this->request($url, self::SITE_IMDB);
+        global $lang_details;
+        $ptGenFormatted = $ptGenArr['format'];
+        $prefix = sprintf("[img]%s[/img]\n", $ptGenArr['poster']);
+        $ptGenFormatted = mb_substr($ptGenFormatted, mb_strlen($prefix, 'utf-8') + 1);
+        $ptGenFormatted = format_comment($ptGenFormatted);
+        $titleShowOrHide = $lang_details['title_show_or_hide'] ?? '';
+        $id = 'pt-gen-' . $site;
+        $html = <<<HTML
+<tr>
+    <td class="rowhead">
+        <a href="javascript: klappe_ext('{$id}')">
+            <span class="nowrap">
+                <img id="pic{$id}" class="minus" src="pic/trans.gif" alt="Show/Hide" title="{$titleShowOrHide}" />
+                PT-Gen-{$site}
+            </span>
+        </a>
+        <div id="poster{$id}">
+            <img src="{$ptGenArr['poster']}" width="105" onclick="Preview(this);" alt="poster" />
+        </div>
+    </td>
+    <td class="rowfollow" align="left">
+        <div id="k{$id}">
+            {$ptGenFormatted}
+        </div>
+    </td>
+</tr>
+HTML;
+       return $html;
     }
 
-    public function generateBangumi(string $url): string
+    private function request(string $url): array
     {
-        return $this->request($url, self::SITE_BANGUMI);
-    }
-
-    private function request(string $url, string $site): string
-    {
-        $url = $this->buildUrl($url, $site);
+        global $Cache;
         $logPrefix = "url: $url";
+        $cacheKey = __METHOD__ . ":$url";
+        $cache = $Cache->get_value($cacheKey);
+        if ($cache) {
+            do_log("$logPrefix, from cache");
+            return $cache;
+        }
         $http = new Client();
-        $response = $http->get($url, ['timeout' => 5]);
+        $response = $http->get($url, ['timeout' => 10]);
         $statusCode = $response->getStatusCode();
         if ($statusCode != 200) {
             $msg = "api point response http status code: $statusCode";
@@ -90,20 +135,53 @@ class PTGen
             do_log("$logPrefix, response: $bodyString");
             throw new PTGenException($msg);
         }
-
-        return $bodyString;
+        $Cache->cache_value($cacheKey, $bodyArr, 24 * 3600);
+        return $bodyArr;
     }
 
-    private function buildUrl(string $url, string $site): string
+    public function renderUploadPageFormInput($ptGen = '')
     {
-        if (!isset(self::$validSites[$site])) {
-            throw new PTGenException("not support site: $site, only support: " . implode(", ", array_keys(self::$validSites)));
+        global $lang_functions;
+        $html = '';
+        $ptGen = (array)json_decode($ptGen, true);
+        foreach (self::$validSites as $site => $info) {
+            $value = $ptGen[$site]['link'] ?? '';
+            $x = $lang_functions["row_pt_gen_{$site}_url"];
+            $y = "<input type=\"text\" style=\"width: 650px;\" name=\"pt_gen[{$site}][link]\" value=\"{$value}\" /><br /><font class=\"medium\">".$lang_functions["text_pt_gen_{$site}_url_note"]."</font>";
+            $html .= tr($x, $y, 1);
         }
-        $siteInfo = self::$validSites[$site];
-        $isUrlValid = preg_match($siteInfo['url_pattern'], $url, $matches);
-        if (!$isUrlValid) {
-            throw new PTGenException("invalid url: $url");
+        return $html;
+    }
+
+    public function renderDetailsPageDescription(array $torrentPtGenArr): array
+    {
+        $html = '';
+        $jsonArr = [];
+        $update = false;
+        foreach (self::$validSites as $site => $info) {
+            if (empty($torrentPtGenArr[$site]['link'])) {
+                continue;
+            }
+            $link = $torrentPtGenArr[$site]['link'];
+            $data = $torrentPtGenArr[$site]['data'] ?? [];
+            if (!empty($data)) {
+                $jsonArr[$site] = [
+                    'link' => $link,
+                    'data' => $data,
+                ];
+                $html .= $this->buildDetailsPageTableRow($data, $site);
+            } else {
+                $ptGenArr = $this->generate($torrentPtGenArr[$site]['link']);
+                $jsonArr[$site] = [
+                    'link' => $link,
+                    'data' => $ptGenArr,
+                ];
+                $html .= $this->buildDetailsPageTableRow($ptGenArr, $site);
+                if (!$update) {
+                    $update = true;
+                }
+            }
         }
-        return sprintf('%s/?site=%s&sid=%s', trim($this->apiPoint, '/'), $site , $matches[1]);
+        return ['json_arr' => $jsonArr, 'html' => $html, 'update' => $update];
     }
 }
\ No newline at end of file
diff --git a/public/bitbucket-upload.php b/public/bitbucket-upload.php
index a2b5ec91..bd06660e 100644
--- a/public/bitbucket-upload.php
+++ b/public/bitbucket-upload.php
@@ -71,7 +71,7 @@ stdhead($lang_bitbucketupload['head_avatar_upload']);
 <table border=1 cellspacing=0 cellpadding=5>
 <?php
 
-if(!is_writable("$bitbucket"))
+if(!is_writable(ROOT_PATH . "$bitbucket"))
 print("<tr><td align=left colspan=2>".$lang_bitbucketupload['text_upload_directory_unwritable']."</tr></td>");
 print("<tr><td align=left colspan=2>".$lang_bitbucketupload['text_disclaimer']."$scaleh".$lang_bitbucketupload['text_disclaimer_two']."$scalew".$lang_bitbucketupload['text_disclaimer_three'].number_format($maxfilesize).$lang_bitbucketupload['text_disclaimer_four']);
 ?>
diff --git a/public/details.php b/public/details.php
index bb0f3221..cfb5804f 100644
--- a/public/details.php
+++ b/public/details.php
@@ -13,7 +13,7 @@ int_check($id);
 if (!isset($id) || !$id)
 die();
 
-$res = sql_query("SELECT torrents.cache_stamp, torrents.sp_state, torrents.url, torrents.small_descr, torrents.seeders, torrents.banned, torrents.leechers, torrents.info_hash, torrents.filename, nfo, LENGTH(torrents.nfo) AS nfosz, torrents.last_action, torrents.name, torrents.owner, torrents.save_as, torrents.descr, torrents.visible, torrents.size, torrents.added, torrents.views, torrents.hits, torrents.times_completed, torrents.id, torrents.type, torrents.numfiles, torrents.anonymous, categories.name AS cat_name, sources.name AS source_name, media.name AS medium_name, codecs.name AS codec_name, standards.name AS standard_name, processings.name AS processing_name, teams.name AS team_name, audiocodecs.name AS audiocodec_name FROM torrents LEFT JOIN categories ON torrents.category = categories.id LEFT JOIN sources ON torrents.source = sources.id LEFT JOIN media ON torrents.medium = media.id LEFT JOIN codecs ON torrents.codec = codecs.id LEFT JOIN standards ON torrents.standard = standards.id LEFT JOIN processings ON torrents.processing = processings.id LEFT JOIN teams ON torrents.team = teams.id LEFT JOIN audiocodecs ON torrents.audiocodec = audiocodecs.id WHERE torrents.id = $id LIMIT 1")
+$res = sql_query("SELECT torrents.cache_stamp, torrents.sp_state, torrents.url, torrents.small_descr, torrents.seeders, torrents.banned, torrents.leechers, torrents.info_hash, torrents.filename, nfo, LENGTH(torrents.nfo) AS nfosz, torrents.last_action, torrents.name, torrents.owner, torrents.save_as, torrents.descr, torrents.visible, torrents.size, torrents.added, torrents.views, torrents.hits, torrents.times_completed, torrents.id, torrents.type, torrents.numfiles, torrents.anonymous, torrents.pt_gen, categories.name AS cat_name, sources.name AS source_name, media.name AS medium_name, codecs.name AS codec_name, standards.name AS standard_name, processings.name AS processing_name, teams.name AS team_name, audiocodecs.name AS audiocodec_name FROM torrents LEFT JOIN categories ON torrents.category = categories.id LEFT JOIN sources ON torrents.source = sources.id LEFT JOIN media ON torrents.medium = media.id LEFT JOIN codecs ON torrents.codec = codecs.id LEFT JOIN standards ON torrents.standard = standards.id LEFT JOIN processings ON torrents.processing = processings.id LEFT JOIN teams ON torrents.team = teams.id LEFT JOIN audiocodecs ON torrents.audiocodec = audiocodecs.id WHERE torrents.id = $id LIMIT 1")
 or sqlerr();
 $row = mysql_fetch_array($res);
 
@@ -394,6 +394,14 @@ else {
 		}
 	}
 
+	if (!empty($row['pt_gen'])) {
+	    $ptGen = new \Nexus\PTGen\PTGen();
+	    $ptGenResult = $ptGen->renderDetailsPageDescription(json_decode($row['pt_gen'], true));
+	    if ($ptGenResult['update']) {
+            //@todo do some update
+        }
+	    echo $ptGenResult['html'];
+    }
 		if ($imdb_id)
 		{
 			$where_area = " url = " . sqlesc((int)$imdb_id) ." AND torrents.id != ".sqlesc($id);
diff --git a/public/edit.php b/public/edit.php
index f21b2307..e4fd8f13 100644
--- a/public/edit.php
+++ b/public/edit.php
@@ -35,7 +35,7 @@ $showstandard = (get_searchbox_value($sectionmode, 'showstandard') || ($allowmov
 $showprocessing = (get_searchbox_value($sectionmode, 'showprocessing') || ($allowmove && get_searchbox_value($othermode, 'showprocessing'))); //whether show processings or not
 $showteam = (get_searchbox_value($sectionmode, 'showteam') || ($allowmove && get_searchbox_value($othermode, 'showteam'))); //whether show teams or not
 $showaudiocodec = (get_searchbox_value($sectionmode, 'showaudiocodec') || ($allowmove && get_searchbox_value($othermode, 'showaudiocodec'))); //whether show audio codecs or not
-
+$settingMain = get_setting('main');
 stdhead($lang_edit['head_edit_torrent'] . "\"". $row["name"] . "\"");
 
 if (!isset($CURUSER) || ($CURUSER["id"] != $row["owner"] && get_user_class() < $torrentmanage_class)) {
@@ -54,6 +54,10 @@ else {
 		tr($lang_edit['row_small_description'], "<input type=\"text\" style=\"width: 650px;\" name=\"small_descr\" value=\"" . htmlspecialchars($row["small_descr"]) . "\" />", 1);
 
 	get_external_tr($row["url"]);
+    if ($settingMain['enable_pt_gen_system'] == 'yes') {
+        $ptGen = new \Nexus\PTGen\PTGen();
+        echo $ptGen->renderUploadPageFormInput($row['pt_gen']);
+    }
 
 	if ($enablenfo_main=='yes')
 		tr($lang_edit['row_nfo_file'], "<font class=\"medium\"><input type=\"radio\" name=\"nfoaction\" value=\"keep\" checked=\"checked\" />".$lang_edit['radio_keep_current'].
diff --git a/public/settings.php b/public/settings.php
index ccb14549..3932b14e 100644
--- a/public/settings.php
+++ b/public/settings.php
@@ -49,7 +49,17 @@ $notice = "<h1 align=\"center\"><a class=\"faqlink\" href=\"settings.php\">".$la
 if ($action == 'savesettings_main')	// save main
 {
 	stdhead($lang_settings['head_save_main_settings']);
-	$validConfig = array('site_online','max_torrent_size','announce_interval', 'annintertwoage', 'annintertwo', 'anninterthreeage', 'anninterthree', 'signup_timeout','minoffervotes','offervotetimeout','offeruptimeout','maxsubsize','postsperpage', 'topicsperpage', 'torrentsperpage', 'maxnewsnum','max_dead_torrent_time','maxusers','torrent_dir', 'iniupload','SITEEMAIL', 'ACCOUNTANTID', 'ALIPAYACCOUNT', 'PAYPALACCOUNT', 'SLOGAN', 'icplicense', 'autoclean_interval_one', 'autoclean_interval_two', 'autoclean_interval_three','autoclean_interval_four', 'autoclean_interval_five','reportemail','invitesystem','registration','showhotmovies','showclassicmovies','showimdbinfo', 'enablenfo', 'enableschool','restrictemail','showpolls','showstats','showlastxtorrents', 'showtrackerload','showshoutbox','showfunbox','showoffer','sptime','showhelpbox','enablebitbucket', 'smalldescription','altname','extforum','extforumurl','defaultlang','defstylesheet', 'donation','spsct','browsecat','specialcat','waitsystem','maxdlsystem','bitbucket','torrentnameprefix', 'showforumstats','verification','invite_count','invite_timeout', 'seeding_leeching_time_calc_start','startsubid', 'logo', 'use_cron_trigger_cleanup', 'showlastxforumposts');
+	$validConfig = array(
+		'site_online','max_torrent_size','announce_interval', 'annintertwoage', 'annintertwo', 'anninterthreeage', 'anninterthree', 'signup_timeout',
+		'minoffervotes','offervotetimeout','offeruptimeout','maxsubsize','postsperpage', 'topicsperpage', 'torrentsperpage', 'maxnewsnum',
+		'max_dead_torrent_time','maxusers','torrent_dir', 'iniupload','SITEEMAIL', 'ACCOUNTANTID', 'ALIPAYACCOUNT', 'PAYPALACCOUNT', 'SLOGAN',
+		'icplicense', 'autoclean_interval_one', 'autoclean_interval_two', 'autoclean_interval_three','autoclean_interval_four', 'autoclean_interval_five',
+		'reportemail','invitesystem','registration','showhotmovies','showclassicmovies','showimdbinfo', 'enable_pt_gen_system', 'enablenfo', 'enableschool','restrictemail',
+		'showpolls','showstats','showlastxtorrents', 'showtrackerload','showshoutbox','showfunbox','showoffer','sptime','showhelpbox','enablebitbucket',
+		'smalldescription','altname','extforum','extforumurl','defaultlang','defstylesheet', 'donation','spsct','browsecat','specialcat','waitsystem',
+		'maxdlsystem','bitbucket','torrentnameprefix', 'showforumstats','verification','invite_count','invite_timeout', 'seeding_leeching_time_calc_start',
+		'startsubid', 'logo', 'use_cron_trigger_cleanup', 'showlastxforumposts'
+	);
 	GetVar($validConfig);
 	$MAIN = [];
 	foreach($validConfig as $config) {
@@ -580,6 +590,7 @@ elseif ($action == 'mainsettings')	// main settings
 	yesorno($lang_settings['row_show_hot'],'showhotmovies', $MAIN['showhotmovies'], $lang_settings['text_show_hot_note']);
 	yesorno($lang_settings['row_show_classic'],'showclassicmovies', $MAIN['showclassicmovies'], $lang_settings['text_show_classic_note']);
 	yesorno($lang_settings['row_enable_imdb_system'],'showimdbinfo', $MAIN['showimdbinfo'], $lang_settings['text_imdb_system_note']);
+	yesorno($lang_settings['row_enable_pt_gen_system'],'enable_pt_gen_system', $MAIN['enable_pt_gen_system'], $lang_settings['text_enable_pt_gen_system_note']);
 	yesorno($lang_settings['row_enable_nfo'],'enablenfo', $MAIN['enablenfo'], $lang_settings['text_enable_nfo_note']);
 	yesorno($lang_settings['row_enable_school_system'],'enableschool', $MAIN['enableschool'], $lang_settings['text_school_system_note']);
 	yesorno($lang_settings['row_restrict_email_domain'],'restrictemail', $MAIN['restrictemail'], $lang_settings['text_restrict_email_domain_note']);
diff --git a/public/takeedit.php b/public/takeedit.php
index 0f7de150..ac7c4830 100644
--- a/public/takeedit.php
+++ b/public/takeedit.php
@@ -167,6 +167,15 @@ if(get_user_class()>=$torrentmanage_class && $CURUSER['picker'] == 'yes')
 		$updateset[] = "picktime = ". sqlesc(date("Y-m-d H:i:s"));
 	}
 }
+
+/**
+ * add PT-Gen
+ * @since 1.6
+ */
+if (!empty($_POST['pt_gen'])) {
+    $updateset[] = "pt_gen = " . sqlesc(json_encode($_POST['pt_gen']));
+}
+
 sql_query("UPDATE torrents SET " . join(",", $updateset) . " WHERE id = $id") or sqlerr(__FILE__, __LINE__);
 
 if($CURUSER["id"] == $row["owner"])
diff --git a/public/takeupload.php b/public/takeupload.php
index 79d65fbd..88df698a 100644
--- a/public/takeupload.php
+++ b/public/takeupload.php
@@ -329,8 +329,14 @@ foreach ($promotionrules_torrent as $rule)
 }
 }
 
-$ret = sql_query("INSERT INTO torrents (filename, owner, visible, anonymous, name, size, numfiles, type, url, small_descr, descr, ori_descr, category, source, medium, codec, audiocodec, standard, processing, team, save_as, sp_state, added, last_action, nfo, info_hash) VALUES (".sqlesc($fname).", ".sqlesc($CURUSER["id"]).", 'yes', ".sqlesc($anonymous).", ".sqlesc($torrent).", ".sqlesc($totallen).", ".count($filelist).", ".sqlesc($type).", ".sqlesc($url).", ".sqlesc($small_descr).", ".sqlesc($descr).", ".sqlesc($descr).", ".sqlesc($catid).", ".sqlesc($sourceid).", ".sqlesc($mediumid).", ".sqlesc($codecid).", ".sqlesc($audiocodecid).", ".sqlesc($standardid).", ".sqlesc($processingid).", ".sqlesc($teamid).", ".sqlesc($dname).", ".sqlesc($sp_state) .
-", " . sqlesc(date("Y-m-d H:i:s")) . ", " . sqlesc(date("Y-m-d H:i:s")) . ", ".sqlesc($nfo).", " . sqlesc($infohash). ")");
+/**
+ * add PT-Gen
+ * @since 1.6
+ */
+$ptGen = sqlesc(json_encode($_POST['pt_gen'] ?? []));
+
+$ret = sql_query("INSERT INTO torrents (filename, owner, visible, anonymous, name, size, numfiles, type, url, small_descr, descr, ori_descr, category, source, medium, codec, audiocodec, standard, processing, team, save_as, sp_state, added, last_action, nfo, info_hash, pt_gen) VALUES (".sqlesc($fname).", ".sqlesc($CURUSER["id"]).", 'yes', ".sqlesc($anonymous).", ".sqlesc($torrent).", ".sqlesc($totallen).", ".count($filelist).", ".sqlesc($type).", ".sqlesc($url).", ".sqlesc($small_descr).", ".sqlesc($descr).", ".sqlesc($descr).", ".sqlesc($catid).", ".sqlesc($sourceid).", ".sqlesc($mediumid).", ".sqlesc($codecid).", ".sqlesc($audiocodecid).", ".sqlesc($standardid).", ".sqlesc($processingid).", ".sqlesc($teamid).", ".sqlesc($dname).", ".sqlesc($sp_state) .
+", " . sqlesc(date("Y-m-d H:i:s")) . ", " . sqlesc(date("Y-m-d H:i:s")) . ", ".sqlesc($nfo).", " . sqlesc($infohash). ", $ptGen)");
 if (!$ret) {
 	if (mysql_errno() == 1062)
 	bark($lang_takeupload['std_torrent_existed']);
@@ -345,7 +351,7 @@ foreach ($filelist as $file) {
 }
 
 //move_uploaded_file($tmpname, "$torrent_dir/$id.torrent");
-$fp = fopen("$torrent_dir/$id.torrent", "w");
+$fp = fopen(ROOT_PATH . "$torrent_dir/$id.torrent", "w");
 if ($fp)
 {
 	@fwrite($fp, benc($dict), strlen(benc($dict)));
diff --git a/public/upload.php b/public/upload.php
index 754008c5..84d8ccdb 100644
--- a/public/upload.php
+++ b/public/upload.php
@@ -29,6 +29,8 @@ $showprocessing = (($allowtorrents && get_searchbox_value($brsectiontype, 'showp
 $showteam = (($allowtorrents && get_searchbox_value($brsectiontype, 'showteam')) || ($allowspecial && get_searchbox_value($spsectiontype, 'showteam'))); //whether show teams or not
 $showaudiocodec = (($allowtorrents && get_searchbox_value($brsectiontype, 'showaudiocodec')) || ($allowspecial && get_searchbox_value($spsectiontype, 'showaudiocodec'))); //whether show languages or not
 
+$settingMain = get_setting('main');
+
 stdhead($lang_upload['head_upload']);
 ?>
 	<form id="compose" enctype="multipart/form-data" action="takeupload.php" method="post" name="upload">
@@ -40,7 +42,7 @@ stdhead($lang_upload['head_upload']);
 					<td class='colhead' colspan='2' align='center'>
 						<?php echo $lang_upload['text_tracker_url'] ?>: &nbsp;&nbsp;&nbsp;&nbsp;<b><?php echo  get_protocol_prefix() . $announce_urls[0]?></b>
 						<?php
-						if(!is_writable($torrent_dir))
+						if(!is_writable(ROOT_PATH . $torrent_dir))
 						print("<br /><br /><b>ATTENTION</b>: Torrent directory isn't writable. Please contact the administrator about this problem!");
 						if(!$max_torrent_size)
 						print("<br /><br /><b>ATTENTION</b>: Max. Torrent Size not set. Please contact the administrator about this problem!");
@@ -57,8 +59,11 @@ stdhead($lang_upload['head_upload']);
 					tr($lang_upload['row_torrent_name'], "<input type=\"text\" style=\"width: 650px;\" id=\"name\" name=\"name\" /><br /><font class=\"medium\">".$lang_upload['text_torrent_name_note']."</font>", 1);
 				if ($smalldescription_main == 'yes')
 				tr($lang_upload['row_small_description'], "<input type=\"text\" style=\"width: 650px;\" name=\"small_descr\" /><br /><font class=\"medium\">".$lang_upload['text_small_description_note']."</font>", 1);
-				
 				get_external_tr();
+				if ($settingMain['enable_pt_gen_system'] == 'yes') {
+                    $ptGen = new \Nexus\PTGen\PTGen();
+                    echo $ptGen->renderUploadPageFormInput("");
+                }
 				if ($enablenfo_main=='yes')
 					tr($lang_upload['row_nfo_file'], "<input type=\"file\" class=\"file\" name=\"nfo\" /><br /><font class=\"medium\">".$lang_upload['text_only_viewed_by'].get_user_class_name($viewnfo_class,false,true,true).$lang_upload['text_or_above']."</font>", 1);
 				print("<tr><td class=\"rowhead\" style='padding: 3px' valign=\"top\">".$lang_upload['row_description']."<font color=\"red\">*</font></td><td class=\"rowfollow\">");