diff --git a/server/api/torrent/[infohash]/resolve.post.ts b/server/api/torrent/[infohash]/resolve.post.ts
index d09b421..a1d30b6 100644
--- a/server/api/torrent/[infohash]/resolve.post.ts
+++ b/server/api/torrent/[infohash]/resolve.post.ts
@@ -3,6 +3,9 @@ import { tryMongo } from '../../../utils/mongo'
 import { getTorrent, markResolved } from '../../../utils/store'
 import { fetchMetadataFromMagnet } from '../../../utils/torrent'
 
+// webtorrent 依赖 Node 运行时（需要 dgram / 原生模块），必须显式跑在 nodejs 而非 edge
+export const runtime = 'nodejs'
+
 export default defineEventHandler(async (event) => {
   const infoHash = String(getRouterParam(event, 'infohash') || '').toLowerCase()
   if (!/^[a-f0-9]{40}$/.test(infoHash)) {
diff --git a/server/utils/torrent.ts b/server/utils/torrent.ts
index de32f25..7331699 100644
--- a/server/utils/torrent.ts
+++ b/server/utils/torrent.ts
@@ -170,7 +170,7 @@ export async function loadWebTorrent(): Promise<any> {
     webTorrentMod = mod?.default || mod
     return webTorrentMod
   } catch {
-    throw new Error('未安装 webtorrent 依赖，无法通过磁力链在线获取文件清单（仅能显示 infoHash）')
+    throw new Error('无法在当前运行环境加载 webtorrent（需要支持 UDP 的 Node 运行时；Vercel / 其他 Serverless 通常不可用），仅能显示 infoHash')
   }
 }