diff --git a/app/Filament/Resources/System/MedalResource.php b/app/Filament/Resources/System/MedalResource.php
index 73a316e4..a621ef9a 100644
--- a/app/Filament/Resources/System/MedalResource.php
+++ b/app/Filament/Resources/System/MedalResource.php
@@ -76,6 +76,12 @@ class MedalResource extends Resource
                     ->numeric()
                     ->default(0)
                 ,
+                Forms\Components\TextInput::make('gift_fee_factor')
+                    ->label(__('medal.fields.gift_fee_factor'))
+                    ->helperText(__('medal.fields.gift_fee_factor_help'))
+                    ->numeric()
+                    ->default(0)
+                ,
                 Forms\Components\Textarea::make('description')
                     ->label(__('label.description'))
                 ,
@@ -96,6 +102,7 @@ class MedalResource extends Resource
                     ->formatStateUsing(fn ($record) => new HtmlString(sprintf('%s ~<br/>%s', $record->sale_begin_time ?? '--', $record->sale_end_time ?? '--')))
                 ,
                 Tables\Columns\TextColumn::make('bonus_addition_factor')->label(__('medal.fields.bonus_addition_factor')),
+                Tables\Columns\TextColumn::make('gift_fee_factor')->label(__('medal.fields.gift_fee_factor')),
                 Tables\Columns\TextColumn::make('price')->label(__('label.price')),
 
                 Tables\Columns\TextColumn::make('duration')->label(__('label.medal.duration')),
diff --git a/app/Models/BonusLogs.php b/app/Models/BonusLogs.php
index 588b09f1..37109ce4 100644
--- a/app/Models/BonusLogs.php
+++ b/app/Models/BonusLogs.php
@@ -32,6 +32,7 @@ class BonusLogs extends NexusModel
     const BUSINESS_TYPE_BUY_TEMPORARY_INVITE = 15;
     const BUSINESS_TYPE_BUY_RAINBOW_ID = 16;
     const BUSINESS_TYPE_BUY_CHANGE_USERNAME_CARD = 17;
+    const BUSINESS_TYPE_GIFT_MEDAL = 18;
 
     public static array $businessTypes = [
         self::BUSINESS_TYPE_CANCEL_HIT_AND_RUN => ['text' => 'Cancel H&R'],
@@ -51,6 +52,7 @@ class BonusLogs extends NexusModel
         self::BUSINESS_TYPE_BUY_TEMPORARY_INVITE => ['text' => 'Buy temporary invite'],
         self::BUSINESS_TYPE_BUY_RAINBOW_ID => ['text' => 'Buy rainbow ID'],
         self::BUSINESS_TYPE_BUY_CHANGE_USERNAME_CARD => ['text' => 'Buy change username card'],
+        self::BUSINESS_TYPE_GIFT_MEDAL => ['text' => 'Gift medal to someone'],
     ];
 
     public static function getBonusForCancelHitAndRun()
diff --git a/app/Models/Medal.php b/app/Models/Medal.php
index a76dfca7..c72faa33 100644
--- a/app/Models/Medal.php
+++ b/app/Models/Medal.php
@@ -18,6 +18,7 @@ class Medal extends NexusModel
     protected $fillable = [
         'name', 'description', 'image_large', 'image_small', 'price', 'duration', 'get_type',
         'display_on_medal_page', 'sale_begin_time', 'sale_end_time', 'inventory', 'bonus_addition_factor',
+        'gift_fee_factor',
     ];
 
     public $timestamps = true;
@@ -55,6 +56,23 @@ class Medal extends NexusModel
         return nexus_trans("label.permanent");
     }
 
+    public function checkCanBeBuy()
+    {
+        if ($this->get_type == self::GET_TYPE_GRANT) {
+            throw new \RuntimeException(nexus_trans('medal.grant_only'));
+        }
+        $now = now();
+        if ($this->sale_begin_time && $this->sale_begin_time->gt($now)) {
+            throw new \RuntimeException(nexus_trans('medal.before_sale_begin_time'));
+        }
+        if ($this->sale_end_time && $this->sale_end_time->lt($now)) {
+            throw new \RuntimeException(nexus_trans('medal.after_sale_end_time'));
+        }
+        if ($this->inventory !== null && $this->inventory <= 0) {
+            throw new \RuntimeException(nexus_trans('medal.inventory_empty'));
+        }
+    }
+
     public function users(): \Illuminate\Database\Eloquent\Relations\BelongsToMany
     {
         return $this->belongsToMany(User::class, 'user_medals', 'medal_id', 'uid')->withTimestamps();
diff --git a/app/Models/User.php b/app/Models/User.php
index a660d641..be4685e5 100644
--- a/app/Models/User.php
+++ b/app/Models/User.php
@@ -459,9 +459,9 @@ class User extends Authenticatable implements FilamentUser, HasName
     public function medals(): \Illuminate\Database\Eloquent\Relations\BelongsToMany
     {
         return $this->belongsToMany(Medal::class, 'user_medals', 'uid', 'medal_id')
-            ->withPivot(['id', 'expire_at', 'status'])
+            ->withPivot(['id', 'expire_at', 'status', 'priority'])
             ->withTimestamps()
-            ->orderByPivot('id', 'desc')
+            ->orderByPivot('priority', 'desc')
             ;
     }
 
diff --git a/app/Repositories/BonusRepository.php b/app/Repositories/BonusRepository.php
index 1945a0a0..93391652 100644
--- a/app/Repositories/BonusRepository.php
+++ b/app/Repositories/BonusRepository.php
@@ -6,6 +6,7 @@ use App\Models\BonusLogs;
 use App\Models\HitAndRun;
 use App\Models\Invite;
 use App\Models\Medal;
+use App\Models\Message;
 use App\Models\Setting;
 use App\Models\User;
 use App\Models\UserMedal;
@@ -58,19 +59,7 @@ class BonusRepository extends BaseRepository
         if ($exists) {
             throw new \LogicException("user: $uid already own this medal: $medalId.");
         }
-        if ($medal->get_type != Medal::GET_TYPE_EXCHANGE) {
-            throw new \LogicException("This medal can not be buy.");
-        }
-        if ($medal->inventory !== null && $medal->inventory <= 0) {
-            throw new \LogicException("Inventory empty.");
-        }
-        $now = now();
-        if ($medal->sale_begin_time && $medal->sale_begin_time->gt($now)) {
-            throw new \LogicException("Before sale begin time.");
-        }
-        if ($medal->sale_end_time && $medal->sale_end_time->lt($now)) {
-            throw new \LogicException("After sale end time.");
-        }
+        $medal->checkCanBeBuy();
         $requireBonus = $medal->price;
         NexusDB::transaction(function () use ($user, $medal, $requireBonus) {
             $comment = nexus_trans('bonus.comment_buy_medal', [
@@ -101,6 +90,67 @@ class BonusRepository extends BaseRepository
 
     }
 
+    public function consumeToGiftMedal($uid, $medalId, $toUid): bool
+    {
+        $user = User::query()->findOrFail($uid);
+        $toUser = User::query()->findOrFail($toUid);
+        $medal = Medal::query()->findOrFail($medalId);
+        $exists = $toUser->valid_medals()->where('medal_id', $medalId)->exists();
+        do_log(last_query());
+        if ($exists) {
+            throw new \LogicException("user: $toUid already own this medal: $medalId.");
+        }
+        $medal->checkCanBeBuy();
+        $giftFee = $medal->price * ($medal->gift_fee_factor ?? 0);
+        $requireBonus = $medal->price + $giftFee;
+        NexusDB::transaction(function () use ($user, $toUser, $medal, $requireBonus, $giftFee) {
+            $comment = nexus_trans('bonus.comment_gift_medal', [
+                'bonus' => $requireBonus,
+                'medal_name' => $medal->name,
+                'to_username' => $toUser->username,
+            ], $user->locale);
+            do_log("comment: $comment");
+            $this->consumeUserBonus($user, $requireBonus, BonusLogs::BUSINESS_TYPE_GIFT_MEDAL, "$comment(medal ID: {$medal->id})");
+
+            $expireAt = null;
+            if ($medal->duration > 0) {
+                $expireAt = Carbon::now()->addDays($medal->duration)->toDateTimeString();
+            }
+            $msg = [
+                'sender' => 0,
+                'receiver' => $toUser->id,
+                'subject' => nexus_trans('message.receive_medal.subject', [], $toUser->locale),
+                'msg' => nexus_trans('message.receive_medal.body', [
+                    'username' => $user->username,
+                    'cost_bonus' => $requireBonus,
+                    'medal_name' => $medal->name,
+                    'price' => $medal->price,
+                    'gift_fee_total' => $giftFee,
+                    'gift_fee_factor' => $medal->gift_fee_factor ?? 0,
+                    'expire_at' => $expireAt ?? nexus_trans('label.permanent'),
+                    'bonus_addition_factor' => $medal->bonus_addition_factor ?? 0,
+                ], $toUser->locale),
+                'added' => now()
+            ];
+            Message::add($msg);
+            $toUser->medals()->attach([$medal->id => ['expire_at' => $expireAt, 'status' => UserMedal::STATUS_NOT_WEARING]]);
+            if ($medal->inventory !== null) {
+                $affectedRows = NexusDB::table('medals')
+                    ->where('id', $medal->id)
+                    ->where('inventory', $medal->inventory)
+                    ->decrement('inventory')
+                ;
+                if ($affectedRows != 1) {
+                    throw new \RuntimeException("Decrement medal({$medal->id}) inventory affected rows != 1($affectedRows)");
+                }
+            }
+
+        });
+
+        return true;
+
+    }
+
     public function consumeToBuyAttendanceCard($uid): bool
     {
         $user = User::query()->findOrFail($uid);
diff --git a/app/Repositories/MedalRepository.php b/app/Repositories/MedalRepository.php
index 45050372..ea2641fb 100644
--- a/app/Repositories/MedalRepository.php
+++ b/app/Repositories/MedalRepository.php
@@ -74,7 +74,7 @@ class MedalRepository extends BaseRepository
         return $user->medals()->attach([$medal->id => ['expire_at' => $expireAt, 'status' => UserMedal::STATUS_NOT_WEARING]]);
     }
 
-    function toggleUserMedalStatus($id, $userId)
+    public function toggleUserMedalStatus($id, $userId)
     {
         $userMedal = UserMedal::query()->findOrFail($id);
         if ($userMedal->uid != $userId) {
@@ -91,4 +91,32 @@ class MedalRepository extends BaseRepository
         return $userMedal;
     }
 
+    public function saveUserMedal(int $userId, array $userMedalData)
+    {
+        $user = User::query()->findOrFail($userId);
+        $validMedals = $user->valid_medals;
+        if ($validMedals->isEmpty()) {
+            return true;
+        }
+        $statusCaseWhens = $priorityCaseWhens = $idArr = [];
+        foreach ($validMedals as $medal) {
+            $id = $medal->pivot->id;
+            $idArr[] = $id;
+            if (isset($userMedalData[$id]['status'])) {
+                $status = UserMedal::STATUS_WEARING;
+            } else {
+                $status = UserMedal::STATUS_NOT_WEARING;
+            }
+            $statusCaseWhens[] = sprintf('when `id` = %s then %s', $id, $status);
+            $priorityCaseWhens[] = sprintf('when `id` = %s then %s', $id, $userMedalData[$id]['priority'] ?? 0);
+        }
+        $sql = sprintf(
+            'update user_medals set `status` = case %s end, `priority` = case %s end where id in (%s)',
+            implode(' ', $statusCaseWhens), implode(' ', $priorityCaseWhens), implode(',', $idArr)
+        );
+        do_log("sql: $sql");
+        clear_user_cache($userId);
+        return NexusDB::statement($sql);
+    }
+
 }
diff --git a/database/migrations/2023_01_27_143831_add_gift_fee_factor_to_medals_table.php b/database/migrations/2023_01_27_143831_add_gift_fee_factor_to_medals_table.php
new file mode 100644
index 00000000..85f52f34
--- /dev/null
+++ b/database/migrations/2023_01_27_143831_add_gift_fee_factor_to_medals_table.php
@@ -0,0 +1,32 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+return new class extends Migration
+{
+    /**
+     * Run the migrations.
+     *
+     * @return void
+     */
+    public function up()
+    {
+        Schema::table('medals', function (Blueprint $table) {
+            $table->float('gift_fee_factor', 10, 6)->default(0);
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     *
+     * @return void
+     */
+    public function down()
+    {
+        Schema::table('medals', function (Blueprint $table) {
+            $table->dropColumn(['gift_fee_factor']);
+        });
+    }
+};
diff --git a/database/migrations/2023_01_28_170836_add_priority_to_user_medals_table.php b/database/migrations/2023_01_28_170836_add_priority_to_user_medals_table.php
new file mode 100644
index 00000000..9dd0a2f2
--- /dev/null
+++ b/database/migrations/2023_01_28_170836_add_priority_to_user_medals_table.php
@@ -0,0 +1,32 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+return new class extends Migration
+{
+    /**
+     * Run the migrations.
+     *
+     * @return void
+     */
+    public function up()
+    {
+        Schema::table('user_medals', function (Blueprint $table) {
+            $table->integer('priority')->default(0);
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     *
+     * @return void
+     */
+    public function down()
+    {
+        Schema::table('user_medals', function (Blueprint $table) {
+            $table->dropColumn(['priority']);
+        });
+    }
+};
diff --git a/include/constants.php b/include/constants.php
index 261c281c..1c598408 100644
--- a/include/constants.php
+++ b/include/constants.php
@@ -1,6 +1,6 @@
 <?php
 defined('VERSION_NUMBER') || define('VERSION_NUMBER', '1.8.0');
-defined('RELEASE_DATE') || define('RELEASE_DATE', '2023-01-26');
+defined('RELEASE_DATE') || define('RELEASE_DATE', '2023-01-29');
 defined('IN_TRACKER') || define('IN_TRACKER', false);
 defined('PROJECTNAME') || define("PROJECTNAME","NexusPHP");
 defined('NEXUSPHPURL') || define("NEXUSPHPURL","https://nexusphp.org");
diff --git a/include/functions.php b/include/functions.php
index 5fbfdbfc..053548cc 100644
--- a/include/functions.php
+++ b/include/functions.php
@@ -5870,20 +5870,33 @@ function msgalert($url, $text, $bgcolor = "red")
 function build_medal_image(\Illuminate\Support\Collection $medals, $maxHeight = 200, $withActions = false): string
 {
     $medalImages = [];
-    $wrapBefore = '<div style="display: flex;justify-content: center;align-items: baseline;margin-top: 10px;">';
-    $wrapAfter = '</div>';
+    $wrapBefore = '<form><div style="display: flex;justify-content: center;margin-top: 10px;">';
+    $wrapAfter = '</div></form>';
     foreach ($medals as $medal) {
-        $html = sprintf('<div style="display: inline"><img src="%s" title="%s" class="preview" style="max-height: %spx"/>', $medal->image_large, $medal->name, $maxHeight);
+        $html = sprintf('<div style="display: flex;flex-direction: column;justify-content: space-between;margin-right: 10px"><img src="%s" title="%s" class="preview" style="max-height: %spx;max-width: %spx"/>', $medal->image_large, $medal->name, $maxHeight, $maxHeight);
         if ($withActions) {
+            $html .= sprintf(
+                '<div style="display: flex;flex-direction: column;align-items:flex-start"><span>%s: %s</span><span>%s: %s</span><label>%s: <input type="number" name="priority_%s" value="%s" style="width: 50px" placeholder="%s"></label>',
+                nexus_trans('label.expire_at'),
+                $medal->pivot->expire_at ? format_datetime($medal->pivot->expire_at) : nexus_trans('label.permanent'),
+                nexus_trans('medal.fields.bonus_addition_factor'),
+                $medal->bonus_addition_factor ?? 0,
+                nexus_trans('label.priority'),
+                $medal->pivot->id,
+                $medal->pivot->priority ?? 0,
+                nexus_trans('label.priority_help')
+            );
             $checked = '';
             if ($medal->pivot->status == \App\Models\UserMedal::STATUS_WEARING) {
                 $checked = ' checked';
             }
-            $html .= sprintf('<label>%s<input type="checkbox" name="medal_wearing_status" value="%s"%s></label>', nexus_trans('medal.action_wearing'), $medal->pivot->id, $checked);
+            $html .= sprintf('<label>%s<input type="checkbox" name="status_%s" value="1"%s></label>', nexus_trans('medal.action_wearing'), $medal->pivot->id, $checked);
+            $html .= '</div>';
         }
         $html .= '</div>';
         $medalImages[] = $html;
     }
+    $medalImages[] = sprintf('<div style="display: flex;flex-direction: column;justify-content: space-between;margin-right: 10px"><span></span><input type="button" id="save-user-medal-btn" value="%s"/></div>', nexus_trans('label.save'));
     return $wrapBefore . implode('', $medalImages) . $wrapAfter;
 }
 
@@ -5962,6 +5975,7 @@ function calculate_seed_bonus($uid, $torrentIdArr = null): array
     $valuetwo = $bzero_bonus * ( 2 / $pi);
     $valuethree = $logofpointone / ($nzero_bonus - 1);
     $timenow = time();
+    $nowStr = date('Y-m-d H:i:s');
     $sectoweek = 7*24*60*60;
 
     $A = $official_a = $size = $official_size = 0;
@@ -5989,8 +6003,8 @@ function calculate_seed_bonus($uid, $torrentIdArr = null): array
     $officialAdditionalFactor = \App\Models\Setting::get('bonus.official_addition');
     $zeroBonusTag = \App\Models\Setting::get('bonus.zero_bonus_tag');
     $zeroBonusFactor = \App\Models\Setting::get('bonus.zero_bonus_factor');
-    $userMedalResult = \Nexus\Database\NexusDB::select("select sum(bonus_addition_factor) as factor from medals where id in (select medal_id from user_medals where uid = $uid)");
-    $medalAdditionalFactor = $userMedalResult[0]['factor'] ?? 0;
+    $userMedalResult = \Nexus\Database\NexusDB::select("select sum(bonus_addition_factor) as factor from medals where id in (select medal_id from user_medals where uid = $uid and (expire_at is null or expire_at > '$nowStr'))");
+    $medalAdditionalFactor = floatval($userMedalResult[0]['factor'] ?? 0);
     do_log("$logPrefix, sql: $sql, count: " . count($torrentResult) . ", officialTag: $officialTag, officialAdditionalFactor: $officialAdditionalFactor, zeroBonusTag: $zeroBonusTag, zeroBonusFactor: $zeroBonusFactor, medalAdditionalFactor: $medalAdditionalFactor");
     $last_action = "";
     foreach ($torrentResult as $torrent)
diff --git a/public/ajax.php b/public/ajax.php
index c9d9a0cc..c376fa62 100644
--- a/public/ajax.php
+++ b/public/ajax.php
@@ -138,3 +138,26 @@ function buyMedal($params)
     $rep = new \App\Repositories\BonusRepository();
     return $rep->consumeToBuyMedal($CURUSER['id'], $params['medal_id']);
 }
+
+function giftMedal($params)
+{
+    global $CURUSER;
+    $rep = new \App\Repositories\BonusRepository();
+    return $rep->consumeToGiftMedal($CURUSER['id'], $params['medal_id'], $params['uid']);
+}
+
+function saveUserMedal($params)
+{
+    global $CURUSER;
+    $data = [];
+    foreach ($params as $param) {
+        $fieldAndId = explode('_', $param['name']);
+        $field = $fieldAndId[0];
+        $id = $fieldAndId[1];
+        $value = $param['value'];
+        $data[$id][$field] = $value;
+    }
+//    dd($params, $data);
+    $rep = new \App\Repositories\MedalRepository();
+    return $rep->saveUserMedal($CURUSER['id'], $data);
+}
diff --git a/public/medal.php b/public/medal.php
index 6db9489c..d9a801e3 100644
--- a/public/medal.php
+++ b/public/medal.php
@@ -18,10 +18,12 @@ $columnImageLargeLabel = nexus_trans('medal.fields.image_large');
 $columnPriceLabel = nexus_trans('medal.fields.price');
 $columnDurationLabel = nexus_trans('medal.fields.duration');
 $columnDescriptionLabel = nexus_trans('medal.fields.description');
-$columnActionLabel = nexus_trans('nexus.action');
+$columnBuyLabel = nexus_trans('medal.buy_btn');
 $columnSaleBeginEndTimeLabel = nexus_trans('medal.fields.sale_begin_end_time');
 $columnInventoryLabel = nexus_trans('medal.fields.inventory');
 $columnBonusAdditionFactorLabel = nexus_trans('medal.fields.bonus_addition_factor');
+$columnGiftLabel = nexus_trans('medal.gift_btn');
+$columnGiftFeeFactorLabel = nexus_trans('medal.fields.gift_fee_factor');
 $header = '<h1 style="text-align: center">'.$title.'</h1>';
 $filterForm = <<<FORM
 <div>
@@ -41,13 +43,15 @@ $table = <<<TABLE
 <td class="colhead">ID</td>
 <td class="colhead">$columnNameLabel</td>
 <td class="colhead">$columnImageLargeLabel</td>
-<td class="colhead">$columnSaleBeginEndTimeLabel</td>
+<td class="colhead" style="width: 115px">$columnSaleBeginEndTimeLabel</td>
 <td class="colhead">$columnBonusAdditionFactorLabel</td>
+<td class="colhead">$columnGiftFeeFactorLabel</td>
 <td class="colhead">$columnPriceLabel</td>
 <td class="colhead">$columnDurationLabel</td>
 <td class="colhead">$columnInventoryLabel</td>
 <td class="colhead">$columnDescriptionLabel</td>
-<td class="colhead">$columnActionLabel</td>
+<td class="colhead">$columnBuyLabel</td>
+<td class="colhead">$columnGiftLabel</td>
 </tr>
 </thead>
 TABLE;
@@ -59,42 +63,51 @@ $userMedals = \App\Models\UserMedal::query()->where('uid', $CURUSER['id'])
     ->keyBy('medal_id')
 ;
 foreach ($rows as $row) {
-    $disabled = ' disabled';
-    $class = '';
-    if ($userMedals->has($row->id)) {
-        $btnText = nexus_trans('medal.buy_already');
-    } elseif ($row->get_type == \App\Models\Medal::GET_TYPE_GRANT) {
-        $btnText = nexus_trans('medal.grant_only');
-    } elseif ($row->sale_begin_time && $row->sale_begin_time->gt($now)) {
-        $btnText = nexus_trans('medal.before_sale_begin_time');
-    } elseif ($row->sale_end_time && $row->sale_end_time->lt($now)) {
-        $btnText = nexus_trans('medal.after_sale_end_time');
-    } elseif ($row->inventory !== null && $row->inventory <= 0) {
-        $btnText = nexus_trans('medal.inventory_empty');
-    } elseif ($CURUSER['seedbonus'] < $row->price) {
-        $btnText = nexus_trans('medal.require_more_bonus');
-    } else {
-        $btnText = nexus_trans('medal.buy_btn');
-        $disabled = '';
-        $class = 'buy';
+    $buyDisabled = $giftDisabled = ' disabled';
+    $buyClass = $giftClass = '';
+    try {
+        $row->checkCanBeBuy();
+        if ($userMedals->has($row->id)) {
+            $buyBtnText = nexus_trans('medal.buy_already');
+        } elseif ($CURUSER['seedbonus'] < $row->price) {
+            $buyBtnText = nexus_trans('medal.require_more_bonus');
+        } else {
+            $buyBtnText = nexus_trans('medal.buy_btn');
+            $buyDisabled = '';
+            $buyClass = 'buy';
+        }
+        if ($CURUSER['seedbonus'] < $row->price * (1 + ($row->gift_fee_factor ?? 0))) {
+            $giftBtnText = nexus_trans('medal.require_more_bonus');
+        } else {
+            $giftBtnText = nexus_trans('medal.gift_btn');
+            $giftDisabled = '';
+            $giftClass = 'gift';
+        }
+    } catch (\Exception $exception) {
+        $buyBtnText = $giftBtnText = $exception->getMessage();
     }
-    $action = sprintf(
+    $buyAction = sprintf(
         '<input type="button" class="%s" data-id="%s" value="%s"%s>',
-        $class, $row->id, $btnText, $disabled
+        $buyClass, $row->id, $buyBtnText, $buyDisabled
+    );
+    $giftAction = sprintf(
+        '<input type="number" class="uid" %s style="width: 60px" placeholder="UID"><input type="button" class="%s" data-id="%s" value="%s"%s>',
+         $giftDisabled, $giftClass, $row->id, $giftBtnText, $giftDisabled
     );
     $table .= sprintf(
-        '<tr><td>%s</td><td>%s</td><td><img src="%s" style="max-width: 60px;max-height: 60px;" class="preview" /></td><td>%s ~<br>%s</td><td>%s</td><td>%s</td><td>%s</td><td>%s</td><td>%s</td><td>%s</td>',
-        $row->id, $row->name, $row->image_large, $row->sale_begin_time ?? '--', $row->sale_end_time ?? '--', $row->bonus_addition_factor, number_format($row->price), $row->durationText, $row->inventory ?? nexus_trans('label.infinite'), $row->description, $action
+        '<tr><td><span class="nowrap">%s</span></td><td><span class="nowrap">%s</span></td><td><img src="%s" style="max-width: 60px;max-height: 60px;" class="preview" /></td><td>%s ~<br>%s</td><td>%s</td><td>%s</td><td>%s</td><td>%s</td><td>%s</td><td>%s</td><td>%s</td><td>%s</td>',
+        $row->id, $row->name, $row->image_large, $row->sale_begin_time ?? '--', $row->sale_end_time ?? '--', $row->bonus_addition_factor, $row->gift_fee_factor ?? 0, number_format($row->price), $row->durationText, $row->inventory ?? nexus_trans('label.infinite'), $row->description, $buyAction, $giftAction
     );
 }
 $table .= '</tbody></table>';
 echo $header . $table . $paginationBottom;
 end_main_frame();
-$confirmMsg = nexus_trans('medal.confirm_to_buy');
+$confirmBuyMsg = nexus_trans('medal.confirm_to_buy');
+$confirmGiftMsg = nexus_trans('medal.confirm_to_gift');
 $js = <<<JS
 jQuery('.buy').on('click', function (e) {
     let medalId = jQuery(this).attr('data-id')
-    layer.confirm("{$confirmMsg}", function (index) {
+    layer.confirm("{$confirmBuyMsg}", function (index) {
         let params = {
             action: "buyMedal",
             params: {medal_id: medalId}
@@ -110,6 +123,29 @@ jQuery('.buy').on('click', function (e) {
         }, 'json')
     })
 })
+jQuery('.gift').on('click', function (e) {
+    let medalId = jQuery(this).attr('data-id')
+    let uid = jQuery(this).prev().val()
+    if (!uid) {
+        layer.alert('Require UID')
+        return
+    }
+    layer.confirm("{$confirmGiftMsg}" + uid + " ?", function (index) {
+        let params = {
+            action: "giftMedal",
+            params: {medal_id: medalId, uid: uid}
+        }
+        console.log(params)
+        jQuery.post('ajax.php', params, function(response) {
+            console.log(response)
+            if (response.ret != 0) {
+                layer.alert(response.msg)
+                return
+            }
+            window.location.reload()
+        }, 'json')
+    })
+})
 JS;
 \Nexus\Nexus::js($js, 'footer', false);
 stdfoot();
diff --git a/public/userdetails.php b/public/userdetails.php
index 5b1b19c1..3f0cec11 100644
--- a/public/userdetails.php
+++ b/public/userdetails.php
@@ -77,14 +77,16 @@ print("<h1 style='margin:0px'>" . get_username($user['id'], true,false) . $count
 if ($userInfo->valid_medals->isNotEmpty()) {
     print build_medal_image($userInfo->{$medalType}, 120, $CURUSER['id'] == $user['id']);
     $warnMedalJs = <<<JS
-jQuery('input[type="checkbox"][name="medal_wearing_status"]').on("change", function (e) {
-    let input = jQuery(this);
-    let checked = input.prop("checked")
-    jQuery.post('ajax.php', {params: {id: this.value}, action: 'toggleUserMedalStatus'}, function (response) {
+jQuery('#save-user-medal-btn').on("click", function (e) {
+    let form = jQuery(this).closest('form');
+    let data = form.serializeArray();
+    console.log(data)
+    jQuery.post('ajax.php', {params: data, action: 'saveUserMedal'}, function (response) {
         console.log(response)
         if (response.ret != 0) {
-            input.prop("checked", !checked)
             layer.alert(response.msg)
+        } else {
+            window.location.reload()
         }
     }, 'json')
 })
diff --git a/resources/lang/en/bonus.php b/resources/lang/en/bonus.php
index ceac586c..c939390c 100644
--- a/resources/lang/en/bonus.php
+++ b/resources/lang/en/bonus.php
@@ -6,6 +6,7 @@ return [
     'comment_buy_temporary_invite' => 'Spend :bonus bonus buy :count temporary invite',
     'comment_buy_rainbow_id' => 'Spend :bonus bonus buy :duration days rainbow ID',
     'comment_buy_change_username_card' => 'Spend :bonus bonus buy change username card',
+    'comment_gift_medal' => 'Spend :bonus bonus buy :medal_name and gift to :to_username',
     'table_thead' => [
         'reward_type' => 'Reward type',
         'count' => 'Count',
diff --git a/resources/lang/en/label.php b/resources/lang/en/label.php
index 6ed46bc6..4a9021ec 100644
--- a/resources/lang/en/label.php
+++ b/resources/lang/en/label.php
@@ -35,6 +35,7 @@ return [
     'reset' => 'Reset',
     'anonymous' => 'Anonymous',
     'infinite' => 'Infinite',
+    'save' => 'Save',
     'setting' => [
         'nav_text' => 'Setting',
         'backup' => [
diff --git a/resources/lang/en/medal.php b/resources/lang/en/medal.php
index efbce88f..50fccded 100644
--- a/resources/lang/en/medal.php
+++ b/resources/lang/en/medal.php
@@ -28,10 +28,17 @@ return [
         'users_count' => 'Sold counts',
         'bonus_addition_factor' => 'Bonus addition factor',
         'bonus_addition_factor_help' => 'For example: 0.01 means 1% addition, leave blank no addition',
+        'gift_fee_factor' => 'Gift fee factor',
+        'gift_fee_factor_help' => 'The additional fee charged for gifts to other users is equal to the price multiplied by this factor',
     ],
     'buy_already' => 'Already buy',
     'buy_btn' => 'Buy',
     'confirm_to_buy' => 'Sure you want to buy?',
     'require_more_bonus' => 'Require more bonus',
     'grant_only' => 'Grant only',
+    'before_sale_begin_time' => 'Before sale begin time',
+    'after_sale_end_time' => 'After sale end time',
+    'inventory_empty' => 'Inventory empty',
+    'gift_btn' => 'Gift',
+    'confirm_to_gift' => 'Confirm to gift to user ',
 ];
diff --git a/resources/lang/en/message.php b/resources/lang/en/message.php
index d1de2137..6ad20a50 100644
--- a/resources/lang/en/message.php
+++ b/resources/lang/en/message.php
@@ -27,4 +27,8 @@ return [
         'subject' => 'Temporary invite :change_type',
         'body' => 'Your temporary invite count had :change_type :count by :operator, reason: :reason.',
     ],
+    'receive_medal' => [
+        'subject' => 'Receive gift medal',
+        'body' => "User :username purchased a medal [:medal_name] at a cost of :cost_bonus and gave it to you. The medal is worth :price, the fee is :gift_fee_total(factor: :gift_fee_factor), you will have this medal until: :expire_at, and the medal's bonus addition factor is: :bonus_addition_factor.",
+    ],
 ];
diff --git a/resources/lang/zh_CN/bonus.php b/resources/lang/zh_CN/bonus.php
index ce1db493..769dfa4a 100644
--- a/resources/lang/zh_CN/bonus.php
+++ b/resources/lang/zh_CN/bonus.php
@@ -6,6 +6,7 @@ return [
     'comment_buy_temporary_invite' => '花费 :bonus 魔力购买了 :count 个临时邀请',
     'comment_buy_rainbow_id' => '花费 :bonus 魔力购买了 :duration 天的彩虹 ID',
     'comment_buy_change_username_card' => '花费 :bonus 魔力购买了改名卡',
+    'comment_gift_medal' => '花费 :bonus 魔力购买了 :medal_name 并赠送给 :to_username',
     'table_thead' => [
         'reward_type' => '奖励类型',
         'count' => '数量',
diff --git a/resources/lang/zh_CN/label.php b/resources/lang/zh_CN/label.php
index c024f511..f48a4617 100644
--- a/resources/lang/zh_CN/label.php
+++ b/resources/lang/zh_CN/label.php
@@ -35,6 +35,7 @@ return [
     'reset' => '重置',
     'anonymous' => '匿名',
     'infinite' => '无限',
+    'save' => '保存',
     'setting' => [
         'nav_text' => '设置',
         'backup' => [
diff --git a/resources/lang/zh_CN/medal.php b/resources/lang/zh_CN/medal.php
index 6c657670..3ec6cd16 100644
--- a/resources/lang/zh_CN/medal.php
+++ b/resources/lang/zh_CN/medal.php
@@ -28,6 +28,8 @@ return [
         'users_count' => '已售数量',
         'bonus_addition_factor' => '魔力加成系数',
         'bonus_addition_factor_help' => '如：0.01 表示 1% 的加成，留空无加成',
+        'gift_fee_factor' => '赠送手续费系数',
+        'gift_fee_factor_help' => '赠送给其他用户时额外收取手续费等于价格乘以此系数',
     ],
     'buy_already' => '已经购买',
     'buy_btn' => '购买',
@@ -37,4 +39,6 @@ return [
     'before_sale_begin_time' => '未到可购买时间',
     'after_sale_end_time' => '已过可购买时间',
     'inventory_empty' => '库存不足',
+    'gift_btn' => '赠送',
+    'confirm_to_gift' => '确定要赠送给用户 ',
 ];
diff --git a/resources/lang/zh_CN/message.php b/resources/lang/zh_CN/message.php
index e47f47c2..63629fdf 100644
--- a/resources/lang/zh_CN/message.php
+++ b/resources/lang/zh_CN/message.php
@@ -27,4 +27,8 @@ return [
         'subject' => '临时邀请:change_type',
         'body' => '你的临时邀请被管理员 :operator :change_type :count 个，理由：:reason。',
     ],
+    'receive_medal' => [
+        'subject' => '收到赠送勋章',
+        'body' => '用户 :username 花费魔力 :cost_bonus 购买了勋章[:medal_name]并赠送与你。此勋章价值 :price，手续费 :gift_fee_total(系数：:gift_fee_factor)，你将拥有此勋章有效期至: :expire_at，勋章的魔力加成系数为: :bonus_addition_factor。',
+    ],
 ];
diff --git a/resources/lang/zh_TW/bonus.php b/resources/lang/zh_TW/bonus.php
index 66c9a058..11bf6c25 100644
--- a/resources/lang/zh_TW/bonus.php
+++ b/resources/lang/zh_TW/bonus.php
@@ -6,6 +6,7 @@ return [
     'comment_buy_temporary_invite' => '花費 :bonus 魔力購買了 :count 個臨時邀請',
     'comment_buy_rainbow_id' => '花費 :bonus 魔力購買了 :duration 天的彩虹 ID',
     'comment_buy_change_username_card' => '花費 :bonus 魔力購買了改名卡',
+    'comment_gift_medal' => '花費 :bonus 魔力購買了 :medal_name 並贈送給 :to_username',
     'table_thead' => [
         'reward_type' => '獎勵類型',
         'count' => '數量',
diff --git a/resources/lang/zh_TW/label.php b/resources/lang/zh_TW/label.php
index b48812e9..66dd2a1b 100644
--- a/resources/lang/zh_TW/label.php
+++ b/resources/lang/zh_TW/label.php
@@ -35,6 +35,7 @@ return [
     'reset' => '重置',
     'anonymous' => '匿名',
     'infinite' => '無限',
+    'save' => '保存',
     'setting' => [
         'nav_text' => '設置',
         'backup' => [
diff --git a/resources/lang/zh_TW/medal.php b/resources/lang/zh_TW/medal.php
index 6c8bdf51..710684e5 100644
--- a/resources/lang/zh_TW/medal.php
+++ b/resources/lang/zh_TW/medal.php
@@ -28,10 +28,17 @@ return [
         'users_count' => '已售數量',
         'bonus_addition_factor' => '魔力加成系數',
         'bonus_addition_factor_help' => '如：0.01 表示 1% 的加成，留空無加成',
+        'gift_fee_factor' => '贈送手續費系數',
+        'gift_fee_factor_help' => '贈送給其他用戶時額外收取手續費等於價格乘以此系數',
     ],
     'buy_already' => '已經購買',
     'buy_btn' => '購買',
     'confirm_to_buy' => '確定要購買嗎？',
     'require_more_bonus' => '需要更多魔力值',
     'grant_only' => '僅授予',
+    'before_sale_begin_time' => '未到可購買時間',
+    'after_sale_end_time' => '已過可購買時間',
+    'inventory_empty' => '庫存不足',
+    'gift_btn' => '贈送',
+    'confirm_to_gift' => '確定要贈送給用戶 ',
 ];
diff --git a/resources/lang/zh_TW/message.php b/resources/lang/zh_TW/message.php
index bac6d977..5e681cf3 100644
--- a/resources/lang/zh_TW/message.php
+++ b/resources/lang/zh_TW/message.php
@@ -26,4 +26,8 @@ return [
         'subject' => '臨時邀請:change_type',
         'body' => '你的臨時邀請被管理員 :operator :change_type :count 個，理由：:reason。',
     ],
+    'receive_medal' => [
+        'subject' => '收到贈送勛章',
+        'body' => '用戶 :username 花費魔力 :cost_bonus 購買了勛章[:medal_name]並贈送與你。此勛章價值 :price，手續費 :gift_fee_total(系數：:gift_fee_factor)，你將擁有此勛章有效期至: :expire_at，勛章的魔力加成系數為: :bonus_addition_factor。',
+    ],
 ];