diff --git a/README-EN.md b/README-EN.md
index bc3d43a3..b24b4139 100644
--- a/README-EN.md
+++ b/README-EN.md
@@ -5,6 +5,7 @@ Complete PT website building solution. Based on NexusPHP + Laravel Framework + E
 ## Functional Features
 
 - Upload torrent
+- Special section  
 - Request torrent
 - Subtitle
 - Exam
diff --git a/README.md b/README.md
index 9675c19f..821ec261 100644
--- a/README.md
+++ b/README.md
@@ -4,6 +4,7 @@
 
 ## 功能特性
 - 发种
+- 特别区  
 - 求种
 - 字幕
 - 考核
@@ -22,6 +23,7 @@
 
 ## 更多信息
 博客：[https://nexusphp.org](http://nexusphp.org/)  
+论坛：[https://discuss.nexusphp.org](https://discuss.nexusphp.org/)  
 文档：[https://doc.nexusphp.org](http://doc.nexusphp.org/)  
 QQ群: [764452568](https://jq.qq.com/?_wv=1027&k=IbltZcIx)  
 ![扫码加入](http://demo.nexusphp.org/attachments/202105/20210508190106ed3a3620fc34ab12660586652bc74e34.png)
diff --git a/include/config.php b/include/config.php
index 883a5180..6fbb8e38 100644
--- a/include/config.php
+++ b/include/config.php
@@ -68,11 +68,9 @@ foreach ($settings as $name => $value) {
 }
 
 $SITENAME = $BASIC['SITENAME'];
-//$BASEURL = $BASIC['BASEURL'];
-$BASEURL = $_SERVER['HTTP_HOST'] ?? '';
+$BASEURL = $BASIC['BASEURL'] ?: ($_SERVER['HTTP_HOST'] ?? '');
 $announce_urls = array();
-//$announce_urls[] = $BASIC['announce_url'];
-$announce_urls[] = $BASEURL . '/announce.php';
+$announce_urls[] = $BASIC['announce_url'] ?: ($BASEURL . '/announce.php');
 
 $SITE_ONLINE = $MAIN['site_online'];
 $max_torrent_size = $MAIN['max_torrent_size'];
diff --git a/include/constants.php b/include/constants.php
index 487b21b0..698f5dd7 100644
--- a/include/constants.php
+++ b/include/constants.php
@@ -1,6 +1,6 @@
 <?php
 defined('VERSION_NUMBER') || define('VERSION_NUMBER', '1.6.0-beta8');
-defined('RELEASE_DATE') || define('RELEASE_DATE', '2020-05-15');
+defined('RELEASE_DATE') || define('RELEASE_DATE', '2020-06-05');
 defined('IN_TRACKER') || define('IN_TRACKER', true);
 defined('PROJECTNAME') || define("PROJECTNAME","NexusPHP");
 defined('NEXUSPHPURL') || define("NEXUSPHPURL","https://nexusphp.org");
diff --git a/include/functions.php b/include/functions.php
index 6f5091b1..c2314484 100644
--- a/include/functions.php
+++ b/include/functions.php
@@ -3159,7 +3159,7 @@ else $displaysmalldescr = true;
 foreach ($rows as $row)
 {
 	$id = $row["id"];
-	$sphighlight = get_torrent_bg_color($row['sp_state']);
+	$sphighlight = get_torrent_bg_color($row['sp_state'], $row['pos_state']);
 	print("<tr" . $sphighlight . ">\n");
 
 	print("<td class=\"rowfollow nowrap\" valign=\"middle\" style='padding: 0px'>");
@@ -3889,10 +3889,10 @@ function get_second_icon($row, $catimgurl) //for CHDBits
 	}
 }
 
-function get_torrent_bg_color($promotion = 1)
+function get_torrent_bg_color($promotion = 1, $posState = "")
 {
 	global $CURUSER;
-
+    $sphighlight = null;
 	if ($CURUSER['appendpromotion'] == 'highlight'){
 		$global_promotion_state = get_global_sp_state();
 		if ($global_promotion_state == 1){
@@ -3910,7 +3910,6 @@ function get_torrent_bg_color($promotion = 1)
 				$sphighlight = " class='twouphalfdown_bg'";
 			elseif($promotion==7)
 				$sphighlight = " class='thirtypercentdown_bg'";
-			else $sphighlight = "";
 		}
 		elseif($global_promotion_state == 2)
 			$sphighlight = " class='free_bg'";
@@ -3924,11 +3923,16 @@ function get_torrent_bg_color($promotion = 1)
 			$sphighlight = " class='twouphalfdown_bg'";
 		elseif($global_promotion_state == 7)
 			$sphighlight = " class='thirtypercentdown_bg'";
-		else
-			$sphighlight = "";
 	}
-	else $sphighlight = "";
-	return $sphighlight;
+	if (is_null($sphighlight)) {
+        $torrentSettings = get_setting('torrent');
+	    if ($posState == \App\Models\Torrent::POS_STATE_STICKY_ONE && !empty($torrentSettings['sticky_first_level_background_color'])) {
+	        $sphighlight = sprintf(' style="background-color: %s"', $torrentSettings['sticky_first_level_background_color']);
+        } elseif ($posState == \App\Models\Torrent::POS_STATE_STICKY_SECOND && !empty($torrentSettings['sticky_second_level_background_color'])) {
+            $sphighlight = sprintf(' style="background-color: %s"', $torrentSettings['sticky_second_level_background_color']);
+        }
+    }
+	return (string)$sphighlight;
 }
 
 function get_torrent_promotion_append($promotion = 1,$forcemode = "",$showtimeleft = false, $added = "", $promotionTimeType = 0, $promotionUntil = ''){
diff --git a/include/functions_announce.php b/include/functions_announce.php
index 959004ec..724f4324 100644
--- a/include/functions_announce.php
+++ b/include/functions_announce.php
@@ -54,7 +54,7 @@ function benc_resp_raw($x) {
 	if (isset($_SERVER["HTTP_ACCEPT_ENCODING"]) && $_SERVER["HTTP_ACCEPT_ENCODING"] == "gzip" && function_exists('gzencode')) {
 		header("Content-Encoding: gzip");
 		echo gzencode($x, 9, FORCE_GZIP);
-	} 
+	}
 	else
 		echo $x;
 }
@@ -69,7 +69,7 @@ function check_cheater($userid, $torrentid, $uploaded, $downloaded, $anctime, $s
 	$time = date("Y-m-d H:i:s");
 	$upspeed = ($uploaded > 0 ? $uploaded / $anctime : 0);
 	$mustBeCheaterSpeed = 1024 * 1024 * 100; //100 MB/s
-	$mayBeCheaterSpeed = 1024 * 1024 * 25; //25 MB/s
+	$mayBeCheaterSpeed = 1024 * 1024 * 50; //50 MB/s
 
 	if ($uploaded > 1073741824 && $upspeed > ($mustBeCheaterSpeed/$cheaterdet_security)) //Uploaded more than 1 GB with uploading rate higher than 100 MByte/S (For Consertive level). This is no doubt cheating.
 	{
diff --git a/lang/chs/lang_settings.php b/lang/chs/lang_settings.php
index 8cf9aeba..e3d8d1c8 100644
--- a/lang/chs/lang_settings.php
+++ b/lang/chs/lang_settings.php
@@ -706,6 +706,10 @@ $lang_settings = array
 	'text_login_secret_lifetime_deadline' => '当前密钥有效期至',
 	'row_enable_technical_info' => '启用技术信息',
 	'text_enable_technical_info' => "默认'否'。技术信息来自软件 <b><a href=\"https://mediaarea.net/en/MediaInfo\" target='_blank'>MediaInfo</a></b> Text 视图的结果",
+    'row_sticky_first_level_background_color' => '一级置顶背景颜色',
+    'text_sticky_first_level_background_color_note' => '一级置顶背景颜色，不设置则无背景色。',
+    'row_sticky_second_level_background_color' => '二级置顶背景颜色',
+    'text_sticky_second_level_background_color_note' => '二级置顶背景颜色，不设置则无背景色。',
 );
 
 ?>
diff --git a/lang/cht/lang_settings.php b/lang/cht/lang_settings.php
index 2f1ca9ff..da15421f 100644
--- a/lang/cht/lang_settings.php
+++ b/lang/cht/lang_settings.php
@@ -706,6 +706,10 @@ $lang_settings = array
 	'text_login_secret_lifetime_deadline' => '當前密鑰有效期至',
 	'row_enable_technical_info' => '啟用技術信息',
 	'text_enable_technical_info' => "默認'否'。技術信息來自軟件 <b><a href=\"https://mediaarea.net/en/MediaInfo\" target='_blank'>MediaInfo</a></b> Text 視圖的結果",
+    'row_sticky_first_level_background_color' => '一級置頂背景顏色',
+    'text_sticky_first_level_background_color_note' => '一級置頂背景顏色，不設置則無背景色。',
+    'row_sticky_second_level_background_color' => '二級置頂背景顏色',
+    'text_sticky_second_level_background_color_note' => '二級置頂背景顏色，不設置則無背景色。',
 );
 
 ?>
diff --git a/lang/en/lang_settings.php b/lang/en/lang_settings.php
index f444b5cc..831ac6f6 100644
--- a/lang/en/lang_settings.php
+++ b/lang/en/lang_settings.php
@@ -706,6 +706,10 @@ $lang_settings = array
 	'text_login_secret_lifetime_deadline' => 'Current login secret deadline',
 	'row_enable_technical_info' => 'Enable Technical Information',
 	'text_enable_technical_info' => "Default 'No'. Technical Information comes from software <b><a href=\"https://mediaarea.net/en/MediaInfo\" target='_blank'>MediaInfo</a></b> Text view",
+    'row_sticky_first_level_background_color' => 'Sticky first level bg color',
+    'text_sticky_first_level_background_color_note' => 'Sticky first level bg color, it will be none if not set.',
+    'row_sticky_second_level_background_color' => 'Sticky second level bg color',
+    'text_sticky_second_level_background_color_note' => 'Sticky second level bg color, it will be none if not set.',
 );
 
 ?>
diff --git a/nexus/Install/settings.default.php b/nexus/Install/settings.default.php
index 48bb2a95..dd4aaa07 100644
--- a/nexus/Install/settings.default.php
+++ b/nexus/Install/settings.default.php
@@ -1,10 +1,12 @@
 <?php
  return array (
-  'basic' => 
+  'basic' =>
   array (
     'SITENAME' => 'NexusPHP',
+    'BASEURL' => '',
+    'announce_url' => '',
   ),
-  'main' => 
+  'main' =>
   array (
     'site_online' => 'yes',
     'max_torrent_size' => '1048576',
@@ -82,7 +84,7 @@
     'enable_pt_gen_system' => 'no',
     'enable_technical_info' => 'no',
   ),
-  'smtp' => 
+  'smtp' =>
   array (
     'smtptype' => 'advanced',
     'emailnotify' => 'no',
@@ -94,7 +96,7 @@
     'accountname' => '',
     'accountpassword' => '',
   ),
-  'security' => 
+  'security' =>
   array (
     'securelogin' => 'no',
     'securetracker' => 'no',
@@ -114,7 +116,7 @@
     'login_secret_deadline' => '2021-02-03 18:55:46',
     'login_secret' => '8e19c6a796602bda113fb2f5bc9da2b0',
   ),
-  'authority' => 
+  'authority' =>
   array (
     'defaultclass' => '1',
     'staffmem' => '13',
@@ -163,7 +165,7 @@
     'userbar' => '2',
     'view_special_torrent' => '4',
   ),
-  'tweak' => 
+  'tweak' =>
   array (
     'where' => 'no',
     'iplog1' => 'yes',
@@ -180,7 +182,7 @@
     'prolinkimg' => 'pic/prolink.png',
     'analyticscode' => '',
   ),
-  'bonus' => 
+  'bonus' =>
   array (
     'donortimes' => '2',
     'perseeding' => '1',
@@ -214,7 +216,7 @@
     'prolinkpoint' => '1',
     'prolinktime' => '600',
   ),
-  'account' => 
+  'account' =>
   array (
     'neverdelete' => '6',
     'neverdeletepacked' => '3',
@@ -265,7 +267,7 @@
     'nmdl' => '3072',
     'nmprratio' => '4.55',
     'nmderatio' => '4.45',
-    'getInvitesByPromotion' => 
+    'getInvitesByPromotion' =>
     array (
       2 => '1',
       3 => '0',
@@ -277,7 +279,7 @@
       9 => '10',
     ),
   ),
-  'torrent' => 
+  'torrent' =>
   array (
     'prorules' => 'no',
     'randomhalfleech' => '5',
@@ -307,8 +309,10 @@
     'thirtypercentleechbecome' => '1',
     'expirethirtypercentleech' => '0',
     'minvotes' => '10',
+    'sticky_first_level_background_color' => '#89c9e6',
+    'sticky_second_level_background_color' => '#aadbf3',
   ),
-  'attachment' => 
+  'attachment' =>
   array (
     'enableattach' => 'yes',
     'classone' => '1',
@@ -341,7 +345,7 @@
     'altthumbwidth' => '180',
     'altthumbheight' => '135',
   ),
-  'advertisement' => 
+  'advertisement' =>
   array (
     'enablead' => 'yes',
     'enablenoad' => 'yes',
@@ -352,14 +356,14 @@
     'bonusnoadtime' => '15',
     'adclickbonus' => '0',
   ),
-  'code' => 
+  'code' =>
   array (
     'mainversion' => 'NexusPHP',
     'subversion' => 'v1.6.0-beta6',
     'releasedate' => '2021-05-08',
     'website' => '<a href="https://nexusphp.org" target="_blank">https://nexusphp.org</a>',
   ),
-  'backup' => 
+  'backup' =>
   array (
     'enabled' => 'no',
     'frequency' => 'daily',
@@ -370,4 +374,4 @@
     'google_drive_refresh_token' => '',
     'google_drive_folder_id' => '',
   ),
-);
\ No newline at end of file
+);
diff --git a/public/download.php b/public/download.php
index 6856d111..5bb24cda 100644
--- a/public/download.php
+++ b/public/download.php
@@ -108,7 +108,8 @@ $trackerReportAuthKey = $torrentRep->getTrackerReportAuthKey($id, $CURUSER['id']
 
 $dict = bdec_file($fn, $max_torrent_size);
 //$dict['value']['announce']['value'] = $ssl_torrent . $base_announce_url . "?passkey=$CURUSER[passkey]";
-$dict['value']['announce']['value'] = getSchemeAndHttpHost() . "/announce.php?authkey=$trackerReportAuthKey";
+$dict['value']['announce']['value'] = $ssl_torrent . $base_announce_url . "?authkey=$trackerReportAuthKey";
+//$dict['value']['announce']['value'] = getSchemeAndHttpHost() . "/announce.php?authkey=$trackerReportAuthKey";
 $dict['value']['announce']['string'] = strlen($dict['value']['announce']['value']).":".$dict['value']['announce']['value'];
 $dict['value']['announce']['strlen'] = strlen($dict['value']['announce']['string']);
 /*if ($announce_urls[1] != "") // add multi-tracker
diff --git a/public/settings.php b/public/settings.php
index 7c53a4b4..316a8361 100644
--- a/public/settings.php
+++ b/public/settings.php
@@ -62,7 +62,7 @@ elseif ($action == 'savesettings_basic') 	// save basic
 {
 	stdhead($lang_settings['head_save_basic_settings']);
 	$validConfig = array(
-		'SITENAME',
+		'SITENAME', 'BASEURL', 'announce_url'
 	);
 	GetVar($validConfig);
 	$BASIC = [];
@@ -128,7 +128,12 @@ elseif ($action == 'savesettings_account') 	// save account
 elseif($action == 'savesettings_torrent') 	// save account
 {
 	stdhead($lang_settings['head_save_torrent_settings']);
-	$validConfig = array('prorules', 'randomhalfleech','randomfree','randomtwoup','randomtwoupfree','randomtwouphalfdown','largesize', 'largepro','expirehalfleech','expirefree','expiretwoup','expiretwoupfree','expiretwouphalfleech', 'expirenormal','hotdays','hotseeder','halfleechbecome','freebecome','twoupbecome','twoupfreebecome', 'twouphalfleechbecome','normalbecome','uploaderdouble','deldeadtorrent', 'randomthirtypercentdown', 'thirtypercentleechbecome', 'expirethirtypercentleech');
+	$validConfig = array(
+	    'prorules', 'randomhalfleech','randomfree','randomtwoup','randomtwoupfree','randomtwouphalfdown','largesize', 'largepro','expirehalfleech',
+        'expirefree','expiretwoup','expiretwoupfree','expiretwouphalfleech', 'expirenormal','hotdays','hotseeder','halfleechbecome','freebecome',
+        'twoupbecome','twoupfreebecome', 'twouphalfleechbecome','normalbecome','uploaderdouble','deldeadtorrent', 'randomthirtypercentdown',
+        'thirtypercentleechbecome', 'expirethirtypercentleech', 'sticky_first_level_background_color', 'sticky_second_level_background_color'
+    );
 	GetVar($validConfig);
 	$TORRENT = [];
 	foreach($validConfig as $config) {
@@ -423,8 +428,8 @@ elseif ($action == 'basicsettings')	// basic settings
 	$config = get_setting('basic');
 	print ("<form method='post' action='".$_SERVER["SCRIPT_NAME"]."'><input type='hidden' name='action' value='savesettings_basic'>");
 	tr($lang_settings['row_site_name'],"<input type='text' style=\"width: 300px\" name=SITENAME value='".($config["SITENAME"] ? $config["SITENAME"]: "Nexus")."'> ".$lang_settings['text_site_name_note'], 1);
-//	tr($lang_settings['row_base_url'],"<input type='text' style=\"width: 300px\" name=BASEURL value='".($config["BASEURL"] ? $config["BASEURL"] : $_SERVER["HTTP_HOST"])."'> ".$lang_settings['text_it_should_be'] . $_SERVER["HTTP_HOST"] . $lang_settings['text_base_url_note'], 1);
-//	tr($lang_settings['row_announce_url'],"<input type='text' style=\"width: 300px\" name=announce_url value='".($config["announce_url"] ? $config["announce_url"] : $_SERVER["HTTP_HOST"]."/announce.php")."'> ".$lang_settings['text_it_should_be'] . $_SERVER["HTTP_HOST"]."/announce.php", 1);
+	tr($lang_settings['row_base_url'],"<input type='text' style=\"width: 300px\" name=BASEURL value='".($config["BASEURL"] ? $config["BASEURL"] : $_SERVER["HTTP_HOST"])."'> ".$lang_settings['text_it_should_be'] . $_SERVER["HTTP_HOST"] . $lang_settings['text_base_url_note'], 1);
+	tr($lang_settings['row_announce_url'],"<input type='text' style=\"width: 300px\" name=announce_url value='".($config["announce_url"] ? $config["announce_url"] : $_SERVER["HTTP_HOST"]."/announce.php")."'> ".$lang_settings['text_it_should_be'] . $_SERVER["HTTP_HOST"]."/announce.php", 1);
 //	tr($lang_settings['row_mysql_host'],"<input type='text' style=\"width: 300px\" name=mysql_host value='".($config["mysql_host"] ? $config["mysql_host"] : "localhost")."'> ".$lang_settings['text_mysql_host_note'], 1);
 //	tr($lang_settings['row_mysql_user'],"<input type='text' style=\"width: 300px\" name=mysql_user value='".($config["mysql_user"] ? $config["mysql_user"] : "root")."'> ".$lang_settings['text_mysql_user_note'], 1);
 //	tr($lang_settings['row_mysql_password'],"<input type='password' style=\"width: 300px\" name=mysql_pass value=''> ".$lang_settings['text_mysql_password_note'], 1);
@@ -588,6 +593,8 @@ elseif ($action == 'torrentsettings')
 	print ($notice);
 	print ("<form method='post' action='".$_SERVER["SCRIPT_NAME"]."'><input type='hidden' name='action' value='savesettings_torrent'>");
 
+    tr($lang_settings['row_sticky_first_level_background_color'],"<input type='text' name=sticky_first_level_background_color style=\"width: 100px\" value={$TORRENT['sticky_first_level_background_color']}> ".$lang_settings['text_sticky_first_level_background_color_note'], 1);
+    tr($lang_settings['row_sticky_second_level_background_color'],"<input type='text' name=sticky_second_level_background_color style=\"width: 100px\" value={$TORRENT['sticky_second_level_background_color']}> ".$lang_settings['text_sticky_second_level_background_color_note'], 1);
 	yesorno($lang_settings['row_promotion_rules'], 'prorules', $TORRENT["prorules"], $lang_settings['text_promotion_rules_note']);
 	tr($lang_settings['row_random_promotion'], $lang_settings['text_random_promotion_note_one']."<ul><li><input type='text' style=\"width: 50px\" name=randomhalfleech value='".(isset($TORRENT["randomhalfleech"]) ? $TORRENT["randomhalfleech"] : 5 )."'>".$lang_settings['text_halfleech_chance_becoming']."</li><li><input type='text' style=\"width: 50px\" name=randomfree value='".(isset($TORRENT["randomfree"]) ? $TORRENT["randomfree"] : 2 )."'>".$lang_settings['text_free_chance_becoming']."</li><li><input type='text' style=\"width: 50px\" name=randomtwoup value='".(isset($TORRENT["randomtwoup"]) ? $TORRENT["randomtwoup"] : 2 )."'>".$lang_settings['text_twoup_chance_becoming']."</li><li><input type='text' style=\"width: 50px\" name=randomtwoupfree value='".(isset($TORRENT["randomtwoupfree"]) ? $TORRENT["randomtwoupfree"] : 1 )."'>".$lang_settings['text_freetwoup_chance_becoming']."</li><li><input type='text' style=\"width: 50px\" name=randomtwouphalfdown value='".(isset($TORRENT["randomtwouphalfdown"]) ? $TORRENT["randomtwouphalfdown"] : 0 )."'>".$lang_settings['text_twouphalfleech_chance_becoming']."</li><li><input type='text' style=\"width: 50px\" name=randomthirtypercentdown value='".(isset($TORRENT["randomthirtypercentdown"]) ? $TORRENT["randomthirtypercentdown"] : 0 )."'>".$lang_settings['text_thirtypercentleech_chance_becoming']."</li></ul>".$lang_settings['text_random_promotion_note_two'], 1);
 	tr($lang_settings['row_large_torrent_promotion'], $lang_settings['text_torrent_larger_than']."<input type='text' style=\"width: 50px\" name=largesize value='".(isset($TORRENT["largesize"]) ? $TORRENT["largesize"] : 20 )."'>".$lang_settings['text_gb_promoted_to']."<select name=largepro>".promotion_selection((isset($TORRENT['largepro']) ? $TORRENT['largepro'] : 2), 1)."</select>".$lang_settings['text_by_system_upon_uploading']."<br />".$lang_settings['text_large_torrent_promotion_note'], 1);
@@ -724,7 +731,7 @@ elseif ($action == 'showmenu')	// settings main page
 	tr($lang_settings['row_torrents_settings'], "<form method='post' action='".$_SERVER["SCRIPT_NAME"]."'><input type='hidden' name='action' value='torrentsettings'><input type='submit' value=\"".$lang_settings['submit_torrents_settings']."\"> ".$lang_settings['text_torrents_settings_note']."</form>", 1);
 	tr($lang_settings['row_attachment_settings'], "<form method='post' action='".$_SERVER["SCRIPT_NAME"]."'><input type='hidden' name='action' value='attachmentsettings'><input type='submit' value=\"".$lang_settings['submit_attachment_settings']."\"> ".$lang_settings['text_attachment_settings_note']."</form>", 1);
 	tr($lang_settings['row_advertisement_settings'], "<form method='post' action='".$_SERVER["SCRIPT_NAME"]."'><input type='hidden' name='action' value='advertisementsettings'><input type='submit' value=\"".$lang_settings['submit_advertisement_settings']."\"> ".$lang_settings['text_advertisement_settings_note']."</form>", 1);
-	tr($lang_settings['row_code_settings'], "<form method='post' action='".$_SERVER["SCRIPT_NAME"]."'><input type='hidden' name='action' value='codesettings'><input type='submit' value=\"".$lang_settings['submit_code_settings']."\"> ".$lang_settings['text_code_settings_note']."</form>", 1);
+//	tr($lang_settings['row_code_settings'], "<form method='post' action='".$_SERVER["SCRIPT_NAME"]."'><input type='hidden' name='action' value='codesettings'><input type='submit' value=\"".$lang_settings['submit_code_settings']."\"> ".$lang_settings['text_code_settings_note']."</form>", 1);
 }
 print("</table>");
 stdfoot();
diff --git a/public/takeupload.php b/public/takeupload.php
index 17deed73..3d91f28a 100644
--- a/public/takeupload.php
+++ b/public/takeupload.php
@@ -137,7 +137,9 @@ function dict_get($d, $k, $t) {
 	return $v["value"];
 }
 
-list($ann, $info) = dict_check($dict, "announce(string):info");
+//list($ann, $info) = dict_check($dict, "announce(string):info");
+//@see https://blog.rhilip.info/archives/1036/
+list($info) = dict_check($dict, "info");
 list($dname, $plen, $pieces) = dict_check($info, "name(string):piece length(integer):pieces(string)");
 
 /*