1835

write-server/src/lib/bot/poll.ts

@@ -269,7 +269,7 @@ async function handleDocument(chatId: number, fileId: string, fileName?: string,
       const gifPath = path.join(articleDir, gifFilename);
       try {
         await sendMessage(chatId, "🎞️ 正在转换 GIF...");
-        execSync(`ffmpeg -y -i "${fullPath}" -vf "fps=15,scale=480:-1:flags=lanczos" -loop 0 "${gifPath}"`, { timeout: 60000 });
+        execSync(`ffmpeg -y -i "${fullPath}" -vf "fps=15,scale=480:-1:flags=lanczos,split[s0][s1];[s0]palettegen=stats_mode=diff[p];[s1][p]paletteuse=dither=bayer:bayer_scale=5:diff_mode=rectangle" -loop 0 "${gifPath}"`, { timeout: 60000 });
         fs.unlinkSync(fullPath);
         appendContent(chatId, `\n![${fileCaption}](${gifFilename})\n`);
         await sendMessage(chatId, `🎞️ GIF 已转换：${gifFilename}`);