diff --git a/AvocadoEdition_Light/adm/board_form_update.php b/AvocadoEdition_Light/adm/board_form_update.php
index 6aa2430..a7a3c15 100644
--- a/AvocadoEdition_Light/adm/board_form_update.php
+++ b/AvocadoEdition_Light/adm/board_form_update.php
@@ -1,4 +1,7 @@
 <?php
+/**
+ * @suppress php0410
+ */
 $sub_menu = "300100";
 include_once('./_common.php');
 
@@ -178,7 +181,7 @@ if ($w == '') {
 
   // 게시판 테이블 생성
   $file = file('./assets/sql_write.sql');
-  $sql = implode($file, "\n");
+  $sql = implode("\n", $file);
 
   $create_table = $g5['write_prefix'] . $bo_table;
 
@@ -545,4 +548,3 @@ if ($all_fields) {
 delete_cache_latest($bo_table);
 
 goto_url("./board_form.php?w=u&bo_table={$bo_table}&amp;{$qstr}");
-?>
diff --git a/AvocadoEdition_Light/adm/design_form_update.php b/AvocadoEdition_Light/adm/design_form_update.php
index 7bf1cf3..f0c621e 100644
--- a/AvocadoEdition_Light/adm/design_form_update.php
+++ b/AvocadoEdition_Light/adm/design_form_update.php
@@ -1,4 +1,7 @@
 <?php
+/**
+ * @suppress php0410
+ */
 $sub_menu = "100300";
 include_once('./_common.php');
 
@@ -163,4 +166,4 @@ fwrite($f, $css);
 fclose($f);
 @chmod($file, G5_FILE_PERMISSION);
 
-goto_url('./design_form.php', false);
+goto_url('./design_form.php');
diff --git a/AvocadoEdition_Light/adm/site_config_form_update.php b/AvocadoEdition_Light/adm/site_config_form_update.php
index d5c6a5f..585e748 100644
--- a/AvocadoEdition_Light/adm/site_config_form_update.php
+++ b/AvocadoEdition_Light/adm/site_config_form_update.php
@@ -73,4 +73,4 @@ $sql = " update {$g5['config_table']}
         cf_1                = '{$_POST['cf_1']}'";
 sql_query($sql);
 
-goto_url('./site_config_form.php', false);
+goto_url('./site_config_form.php');
diff --git a/AvocadoEdition_Light/extend/sharlayan.extendlib.php b/AvocadoEdition_Light/extend/sharlayan.extendlib.php
new file mode 100644
index 0000000..3f2de25
--- /dev/null
+++ b/AvocadoEdition_Light/extend/sharlayan.extendlib.php
@@ -0,0 +1,15 @@
+<?php
+/**
+ * THIS MODULE PROHIBITS DISTRIBUTION TO OTHERS WITHOUT AUTHOR'S PERMISSION.
+ * @class sharlayan.extendlib.php
+ * @author arcturus (contact@sharlayan.net / https://info.drk.st/about)
+ * @brief extend gnuboard5 extend
+ * @license LGPL 2.1
+ * @suppress PHP0413
+ */
+
+define("__EXT_DIR__", __DIR__);
+
+foreach (glob(__DIR__ . "/sharlayan" . '/*.php') as $filename) {
+  require_once $filename;
+}
diff --git a/AvocadoEdition_Light/extend/sharlayan/document.class.php b/AvocadoEdition_Light/extend/sharlayan/document.class.php
new file mode 100644
index 0000000..64ba084
--- /dev/null
+++ b/AvocadoEdition_Light/extend/sharlayan/document.class.php
@@ -0,0 +1,72 @@
+<?php
+/**
+ * THIS MODULE PROHIBITS DISTRIBUTION TO OTHERS WITHOUT AUTHOR'S PERMISSION.
+ * @class Document
+ * @author arcturus (contact@sharlayan.net / https://info.drk.st/about)
+ * @brief  gnuboard document extend class
+ * @version 1.1.0
+ * @license LGPL 2.1
+ */
+class Document
+{
+  public $wr_id; // int
+  public $wr_num; // int
+  public $wr_reply; // string
+  public $wr_parent; // int
+  public $wr_is_comment; // int
+  public $wr_comment; // int
+  public $wr_comment_reply; // string
+  public $ca_name; // string
+  public $wr_option;
+  public $wr_subject; // string
+  public $wr_content; // string
+  public $wr_link1; // string
+  public $wr_link2; // string
+  public $wr_link1_hit; // int
+  public $wr_link2_hit; // int
+  public $wr_hit; // int
+  public $wr_good; // int
+  public $wr_nogood; // int
+  public $mb_id; // string
+  public $wr_password; // string
+  public $wr_name; // string
+  public $wr_email; // string
+  public $wr_homepage; // string
+  public $wr_datetime;
+  public $wr_file; // int
+  public $wr_last; // string
+  public $wr_ip; // string
+  public $wr_facebook_user; // string
+  public $wr_twitter_user; // string
+  public $wr_dice1; // int
+  public $wr_dice2; // int
+  public $wr_log; // string
+  public $wr_item; // int
+  public $wr_item_log; // string
+  public $wr_action; // string
+  public $wr_secret; // int
+  public $wr_adult; // int
+  public $wr_wide; // int
+  public $wr_plip; // int
+  public $wr_noname; // int
+  public $wr_ing; // int
+  public $ch_id; // int
+  public $ch_side; // int
+  public $ch_class; // int
+  public $ti_id; // int
+  public $ma_id; // int
+  public $wr_width; // int
+  public $wr_height; // int
+  public $wr_url; // string
+  public $wr_type; // string
+  public $wr_1; // string
+  public $wr_2; // string
+  public $wr_3; // string
+  public $wr_4; // string
+  public $wr_5; // string
+  public $wr_6; // string
+  public $wr_7; // string
+  public $wr_8; // string
+  public $wr_9; // string
+  public $wr_10; // string
+}
diff --git a/AvocadoEdition_Light/extend/sharlayan/setting.class.php b/AvocadoEdition_Light/extend/sharlayan/setting.class.php
new file mode 100644
index 0000000..f57d77d
--- /dev/null
+++ b/AvocadoEdition_Light/extend/sharlayan/setting.class.php
@@ -0,0 +1,395 @@
+<?php
+/**
+ * THIS MODULE PROHIBITS DISTRIBUTION TO OTHERS WITHOUT AUTHOR'S PERMISSION.
+ * @class Setting
+ * @author arcturus (contact@sharlayan.net / https://info.drk.st/about)
+ * @brief  gnuboard config extend class
+ * @version 1.1.0
+ * @license LGPL 2.1
+ */
+class Setting
+{
+  public $idx;
+  public $html;
+  public array $settings;
+  public string $title;
+  public int $cs_id;
+  public string $cs_name;
+  public string $cs_value;
+  public string $cs_descript;
+  public string $cs_etc_1;
+  public string $cs_etc_2;
+  public string $cs_etc_3;
+  public string $cs_etc_4;
+  public string $cs_etc_5;
+  public string $cs_etc_6;
+  public string $cs_etc_7;
+  public string $cs_etc_8;
+  public string $cs_etc_9;
+  public string $cs_etc_10;
+  public string $cs_etc_11;
+  public string $cs_etc_12;
+  public string $cs_etc_13;
+  public string $cs_etc_14;
+  public string $cs_etc_15;
+  public string $cs_etc_16;
+  public string $cs_etc_17;
+  public string $cs_etc_18;
+  public string $cs_etc_19;
+  public string $cs_etc_20;
+  public bool $is_value_added;
+
+  public function __construct($idx, $title, $name, $data = [], $init = true)
+  {
+    $this->idx = $idx;
+    $this->cs_name = $name;
+    $this->title = $title;
+    $this->html = "";
+    $this->is_value_added = false;
+    if ($init) {
+      $this->init();
+    }
+
+    if (!empty($data)) {
+      foreach ($data as $val) {
+        switch ($val["type"]) {
+          case "desc":
+            $this->addDescription($val["desc"], array_key_exists("default", $val) ? (is_array($val["default"]) ? $val["default"] : []) : []);
+            break;
+          case "text":
+            $this->addTextSetting($val["desc"], array_key_exists("default", $val) ? (is_array($val["default"]) ? $val["default"] : []) : [], array_key_exists("placeholder", $val) ? $val["placeholder"] : "");
+            break;
+          case "textarea":
+            $this->addTextareaSetting($val["desc"], array_key_exists("default", $val) ? (is_array($val["default"]) ? $val["default"] : []) : [], array_key_exists("placeholder", $val) ? $val["placeholder"] : "");
+            break;
+          case "image":
+            $this->addImageSetting($val["desc"], array_key_exists("default", $val) ? (is_array($val["default"]) ? $val["default"] : []) : []);
+            break;
+          case "select":
+            $this->addSelectSetting($val["desc"], array_key_exists("default", $val) ? (is_array($val["default"]) ? $val["default"] : []) : [], array_key_exists("values", $val) ? $val["values"] : "");
+            break;
+          case "color":
+            $this->addColorSetting($val["desc"], array_key_exists("default", $val) ? (is_array($val["default"]) ? $val["default"] : []) : []);
+            break;
+          case "color2":
+            $this->addColor2Setting($val["desc"], array_key_exists("default", $val) ? (is_array($val["default"]) ? $val["default"] : []) : []);
+            break;
+          case "border":
+            $this->addBorderSetting($val["desc"], array_key_exists("default", $val) ? (is_array($val["default"]) ? $val["default"] : []) : []);
+            break;
+          case "rect":
+            $this->addRectSetting($val["desc"], array_key_exists("default", $val) ? (is_array($val["default"]) ? $val["default"] : []) : []);
+            break;
+          case "radius":
+            $this->addRadiusSetting($val["desc"], array_key_exists("default", $val) ? (is_array($val["default"]) ? $val["default"] : []) : []);
+            break;
+        }
+      }
+    }
+  }
+
+  public static function getSettingList()
+  {
+    global $g5;
+    $css = [];
+    $sql = sql_query("SELECT * FROM {$g5['css_table']}");
+    while ($row = sql_fetch_array($sql)) {
+      $set = new Setting(0, "", "", [], false);
+
+      $set->cs_id = $row['cs_id'];
+      $set->cs_value = $row['cs_value'];
+      $set->cs_name = $row['cs_name'];
+      $set->cs_descript = $row['cs_descript'];
+      for ($i = 1; $i <= 20; $i++) {
+        $key = "cs_etc_{$i}";
+        $set->$key = $row[$key];
+      }
+
+      $css[$row['cs_name']] = $set;
+    }
+
+    return $css;
+  }
+
+  public function init()
+  {
+    global $g5;
+    $this->settings = [];
+    $data = sql_fetch("SELECT * FROM {$g5['css_table']} WHERE cs_name = '{$this->cs_name}'");
+    if ($data) {
+      $this->cs_id = intval($data['cs_id']);
+      $this->cs_name = $data['cs_name'];
+      $this->cs_value = $data['cs_value'];
+      $this->cs_descript = $data['cs_descript'];
+      for ($i = 1; $i <= 20; $i++) {
+        $key = "cs_etc_{$i}";
+        $this->$key = $data[$key];
+      }
+    } else {
+      $this->cs_value = "";
+      $this->cs_descript = "";
+      for ($i = 1; $i <= 20; $i++) {
+        $key = "cs_etc_{$i}";
+        $this->$key = "";
+      }
+    }
+  }
+
+  public function addHeader()
+  {
+    $count = count(array_filter($this->settings, function ($setting) {
+      return $setting["type"] != "image";
+    }));
+    $count += count(array_filter($this->settings, function ($setting) {
+      return $setting["type"] == "image";
+    })) ? 2 : 0;
+    return "<tr><th rowspan=\"{$count}\" scope=\"row\"><em>{$this->idx}</em>{$this->title}<input type=\"text\" name=\"cs_name[{$this->idx}]\" value=\"{$this->cs_name}\" readonly size=\"15\" /></th>";
+  }
+
+  public function getCurrentCount()
+  {
+    $count = 0;
+    foreach ($this->settings as $setting) {
+      switch ($setting["type"]) {
+        case "image":
+        case "text":
+        case "desc":
+          break;
+        case "color":
+        case "border":
+          $count += 2;
+          break;
+        default:
+          $count++;
+          break;
+      }
+    }
+    return $count;
+  }
+
+  public function addDescription($text, $default)
+  {
+    $this->settings[] = [
+      "type" => "desc",
+      "html" => "<td colspan=\"2\" style=\"color: #C66; font-size: 13px; background: #fff0f0\">{$text}</td></tr>"
+    ];
+  }
+
+  public function addTextSetting($desc, $default, $placeholder)
+  {
+    if ($this->is_value_added)
+      return;
+    $this->settings[] = [
+      "type" => "text",
+      "html" => "<td class=\"bo-right\">{$desc}</td><td><div class=\"setter\"><input type=\"text\" name=\"cs_value[{$this->idx}]\" value=\"{$this->cs_value}\" size=\"100\" placeholder=\"{$placeholder}\" /></div></td></tr>"
+    ];
+    $this->is_value_added = true;
+  }
+
+  public function addTextareaSetting($desc, $default, $placeholder)
+  {
+    if ($this->is_value_added)
+      return;
+    $this->settings[] = [
+      "type" => "text",
+      "html" => "<td class=\"bo-right\">{$desc}</td><td><div class=\"setter\"><textarea name=\"cs_value[{$this->idx}]\" placeholder=\"{$placeholder}\">{$this->cs_value}</textarea></div></td></tr>"
+    ];
+    $this->is_value_added = true;
+  }
+
+  public function addImageSetting($desc, $default)
+  {
+    if ($this->is_value_added)
+      return;
+    $image_set = $this->cs_value != "" ? "<img src=\"{$this->cs_value}\" class=\"prev_thumb\">" : "{$desc} 이미지 미등록";
+    $this->settings[] = [
+      "type" => "image",
+      "html" => "<td rowspan=\"2\" class=\"bo-right\">{$image_set}</td><td><div class=\"setter\">직접등록<input type=\"file\" name=\"cs_value_file[{$this->idx}]\" value=\"\" size=\"50\"></div></td><tr><td><div class=\"setter\">외부경로<input type=\"text\" name=\"cs_value[{$this->idx}]\" value=\"{$this->cs_value}\" size=\"50\"/></div></td></tr>"
+    ];
+    $this->is_value_added = true;
+  }
+
+  public function addRectSetting($desc, $default)
+  {
+    $idx = $this->getCurrentCount() + 1;
+    if ($idx <= 20) {
+      $key1 = "cs_etc_{$idx}";
+      $values = explode("||", $this->$key1);
+
+      if (empty($default)) {
+        $default = [0, 0, 0, 0];
+      }
+
+      if (count($values) < 6) {
+        $values = array_merge([""], $default, [""]);
+      }
+
+      foreach ($values as &$val) {
+        $val = intval($val);
+      }
+
+      $this->settings[] = [
+        "type" => "rect",
+        "html" => "<td class=\"bo-right\">{$desc}</td>
+          <td>
+            <div class=\"setter\">
+              <div style=\"display:flex;gap:8px;border:1px solid #F4F4F2;align-items:center;padding:4px 8px;width:120px;justify-content:end;\">X<input type=\"number\" id=\"cs_etc_{$idx}_1_{$this->cs_name}\" min=\"-9999\" max=\"9999\" size=\"20\" name=\"cs_etc_{$idx}[{$this->idx}][]\" value=\"{$values[1]}\"/>px</div> 
+              <div style=\"display:flex;gap:8px;border:1px solid #F4F4F2;align-items:center;padding:4px 8px;width:120px;justify-content:end;\">Y<input type=\"number\" id=\"cs_etc_{$idx}_1_{$this->cs_name}\" min=\"-9999\" max=\"9999\" size=\"20\" name=\"cs_etc_{$idx}[{$this->idx}][]\" value=\"{$values[2]}\"/>px</div> 
+              <div style=\"display:flex;gap:8px;border:1px solid #F4F4F2;align-items:center;padding:4px 8px;width:120px;justify-content:end;\">너비<input type=\"number\" id=\"cs_etc_{$idx}_1_{$this->cs_name}\" min=\"-9999\" max=\"9999\" size=\"20\" name=\"cs_etc_{$idx}[{$this->idx}][]\" value=\"{$values[3]}\"/>px</div> 
+              <div style=\"display:flex;gap:8px;border:1px solid #F4F4F2;align-items:center;padding:4px 8px;width:120px;justify-content:end;\">높이<input type=\"number\" id=\"cs_etc_{$idx}_1_{$this->cs_name}\" min=\"-9999\" max=\"9999\" size=\"20\" name=\"cs_etc_{$idx}[{$this->idx}][]\" value=\"{$values[4]}\"/>px</div> 
+            </div>
+          </td>
+        </tr>"
+      ];
+    }
+    // error
+  }
+
+  public function addRadiusSetting($desc, $default)
+  {
+    $idx = $this->getCurrentCount() + 1;
+    if ($idx <= 20) {
+      $key1 = "cs_etc_{$idx}";
+      $values = explode("||", $this->$key1);
+
+      if (empty($default)) {
+        $default = [0, 0, 0, 0];
+      }
+
+      if (count($values) < 6) {
+        $values = array_merge([""], $default, [""]);
+      }
+
+      foreach ($values as &$val) {
+        $val = intval($val);
+      }
+
+      $this->settings[] = [
+        "type" => "radius",
+        "html" => "<td class=\"bo-right\">{$desc}</td>
+          <td>
+            <div class=\"setter\">
+              <div style=\"display:flex;gap:8px;border:1px solid #F4F4F2;align-items:center;padding:4px 8px;width:120px;justify-content:end;\"><div style=\"width: 16px; height: 16px; background: #866; box-sizing: border-box; border-radius: 8px 0 0 0;\"></div><input type=\"number\" id=\"cs_etc_{$idx}_1_{$this->cs_name}\" min=\"-9999\" max=\"9999\" size=\"20\" name=\"cs_etc_{$idx}[{$this->idx}][]\" value=\"{$values[1]}\"/>px</div>
+              <div style=\"display:flex;gap:8px;border:1px solid #F4F4F2;align-items:center;padding:4px 8px;width:120px;justify-content:end;\"><div style=\"width: 16px; height: 16px; background: #866; box-sizing: border-box; border-radius: 0 8px 0 0;\"></div><input type=\"number\" id=\"cs_etc_{$idx}_1_{$this->cs_name}\" min=\"-9999\" max=\"9999\" size=\"20\" name=\"cs_etc_{$idx}[{$this->idx}][]\" value=\"{$values[2]}\"/>px</div>
+              <div style=\"display:flex;gap:8px;border:1px solid #F4F4F2;align-items:center;padding:4px 8px;width:120px;justify-content:end;\"><div style=\"width: 16px; height: 16px; background: #866; box-sizing: border-box; border-radius: 0 0 8px 0;\"></div><input type=\"number\" id=\"cs_etc_{$idx}_1_{$this->cs_name}\" min=\"-9999\" max=\"9999\" size=\"20\" name=\"cs_etc_{$idx}[{$this->idx}][]\" value=\"{$values[3]}\"/>px</div>
+              <div style=\"display:flex;gap:8px;border:1px solid #F4F4F2;align-items:center;padding:4px 8px;width:120px;justify-content:end;\"><div style=\"width: 16px; height: 16px; background: #866; box-sizing: border-box; border-radius: 0 0 0 8px;\"></div><input type=\"number\" id=\"cs_etc_{$idx}_1_{$this->cs_name}\" min=\"-9999\" max=\"9999\" size=\"20\" name=\"cs_etc_{$idx}[{$this->idx}][]\" value=\"{$values[4]}\"/>px</div>
+            </div>
+          </td>
+        </tr>"
+      ];
+    }
+    // error
+  }
+
+  public function addColorSetting($desc, $default)
+  {
+    $idx = $this->getCurrentCount() + 1;
+    if ($idx <= 19) {
+      $idx2 = $idx + 1;
+      $key1 = "cs_etc_{$idx}";
+      $key2 = "cs_etc_{$idx2}";
+      if (empty($default)) {
+        if ($this->$key1 === "")
+          $this->$key1 = "#000000";
+        if ($this->$key2 === "")
+          $this->$key2 = "0";
+      }
+      $this->settings[] = [
+        "type" => "color",
+        "html" => "<td class=\"bo-right\">{$desc}</td><td><div class=\"setter\">색상<input type=\"text\" name=\"cs_etc_{$idx}[{$this->idx}]\" value=\"{$this->$key1}\" class=\"colorpicker\" size=\"30\" maxlength=\"255\" placeholder=\"#색상코드\" />투명도<input type=\"number\" name=\"cs_etc_{$idx2}[{$this->idx}]\" value=\"{$this->$key2}\" placeholder=\"0\" title=\"투명도\" style=\"width:45px;\"/>%</div></td></tr>"
+      ];
+    }
+    // error
+  }
+
+  public function addColor2Setting($desc, $default)
+  {
+    $idx = $this->getCurrentCount() + 1;
+    if ($idx <= 20) {
+      $key1 = "cs_etc_{$idx}";
+      if (empty($default)) {
+        if ($this->$key1 === "")
+          $this->$key1 = "#000000FF";
+      } else {
+        if ($this->$key1 === "")
+          $this->$key1 = $default[0];
+      }
+      $this->settings[] = [
+        "type" => "color2",
+        "html" => "<td class=\"bo-right\">{$desc}</td><td><div class=\"setter\">색상<input type=\"text\" name=\"cs_etc_{$idx}[{$this->idx}]\" value=\"{$this->$key1}\" class=\"neo_color\" size=\"30\" maxlength=\"255\" placeholder=\"#색상코드\" /></td></tr>"
+      ];
+    }
+    // error
+  }
+
+  public function addBorderSetting($desc, $default)
+  {
+    $idx = $this->getCurrentCount() + 1;
+    $options = [
+      " " => "사용 안 함",
+      "dotted" => "점선",
+      "dashed" => "대시",
+      "solid" => "직선",
+      "double" => "이중선",
+      "groove" => "내부 경사",
+      "ridge" => "외부 경사",
+      "inset" => "내부",
+      "outset" => "외부"
+    ];
+
+    if ($idx <= 19) {
+      $idx2 = $idx + 1;
+      $key1 = "cs_etc_{$idx}";
+      $key2 = "cs_etc_{$idx2}";
+      $options_html = "";
+      foreach ($options as $key => $val) {
+        $k = trim($key);
+        $s = $this->$key1 == $k ? " selected" : "";
+        $options_html .= "<option value=\"{$k}\"{$s}>{$val}</option>";
+      }
+      $this->settings[] = [
+        "type" => "border",
+        "html" => "<td class=\"bo-right\">{$desc}</td><td><div class=\"setter\"><select name=\"cs_etc_{$idx}[{$this->idx}]\">{$options_html}</select>두께<input type=\"number\" name=\"cs_etc_{$idx2}[{$this->idx}]\" value=\"{$this->$key2}\" placeholder=\"0\" title=\"두께\" style=\"width:45px;\"/></div></td></tr>"
+      ];
+    }
+  }
+
+
+  public function addSelectSetting($desc, $default, $values)
+  {
+    $idx = $this->getCurrentCount() + 1;
+    if ($idx <= 19) {
+      $key1 = "cs_etc_{$idx}";
+      $options_html = "";
+      foreach ($values as $key => $val) {
+        $k = trim($key);
+        $s = $this->$key1 == $k ? " selected" : "";
+        $options_html .= "<option value=\"{$k}\"{$s}>{$val}</option>";
+      }
+      $this->settings[] = [
+        "type" => "select",
+        "html" => "<td class=\"bo-right\">{$desc}</td><td><div class=\"setter\"><select name=\"cs_etc_{$idx}[{$this->idx}]\">{$options_html}</select></div></td></tr>"
+      ];
+    }
+  }
+
+  public function getExplodeValue($idx)
+  {
+    $key = "cs_etc_{$idx}";
+    return explode("||", $this->$key);
+  }
+
+  public function getSettingHtml()
+  {
+    $html = "";
+    foreach ($this->settings as $idx => $val) {
+      if ($html == "") {
+        $html .= $this->addHeader();
+      } else {
+        $html .= "<tr>";
+      }
+      $html .= $val['html'];
+    }
+    return $html;
+  }
+}