diff --git a/.github/workflows/docker-image-dev.yml b/.github/workflows/docker-image-dev.yml
index 2024ca6..31937ff 100644
--- a/.github/workflows/docker-image-dev.yml
+++ b/.github/workflows/docker-image-dev.yml
@@ -6,14 +6,12 @@ on:
       tag:
         description: '手动指定 Docker 标签'
         required: false
-        # dev 分支手动触发时，默认 tag 为 dev
+        # 手动触发时，默认 tag 为 dev
         default: 'dev'
         type: string
-  push:
-    # 监听 dev 分支的推送
-    branches: [ dev ]
-  # 取消了 pull_request 触发，因为它通常不应该触发构建和推送镜像的操作
-  # 如果确实需要，可以重新加回来
+  # 已移除 push 到 dev 分支时的自动构建，仅保留手动触发
+  # push:
+  #   branches: [ dev ]
   # pull_request:
   #   branches: [ dev ]
 
diff --git a/src/app/api/telegram/login/create/route.ts b/src/app/api/telegram/login/create/route.ts
index 4fcd504..704d6f7 100644
--- a/src/app/api/telegram/login/create/route.ts
+++ b/src/app/api/telegram/login/create/route.ts
@@ -1,4 +1,4 @@
-import { NextResponse } from 'next/server';
+import { NextRequest, NextResponse } from 'next/server';
 
 import {
   createTelegramLoginSession,
@@ -9,7 +9,7 @@ import {
 
 export const runtime = 'nodejs';
 
-export async function POST() {
+export async function POST(request: NextRequest) {
   const config = await getTelegramConfig();
   const problems = getTelegramConfigProblems(config, 'login');
   if (problems.length > 0) {
@@ -25,7 +25,8 @@ export async function POST() {
     }, { status: 400 });
   }
 
-  const session = await createTelegramLoginSession();
+  const userAgent = request.headers.get('user-agent') || '';
+  const session = await createTelegramLoginSession(userAgent);
   const botUsername = config.botUsername.replace(/^@/, '');
   return NextResponse.json({
     token: session.token,
diff --git a/src/lib/auth-cookie.ts b/src/lib/auth-cookie.ts
index b4dd1cf..44eb037 100644
--- a/src/lib/auth-cookie.ts
+++ b/src/lib/auth-cookie.ts
@@ -45,7 +45,6 @@ export function getDeviceInfoFromUserAgent(userAgent: string): string {
 
   if (ua.includes('moontvplus')) return 'MoonTVPlus APP';
   if (ua.includes('oriontv')) return 'OrionTV';
-  if (ua.includes('telegram')) return 'Telegram Login';
   if (ua.includes('chrome')) return 'Chrome';
   if (ua.includes('firefox')) return 'Firefox';
   if (ua.includes('safari')) return 'Safari';
diff --git a/src/lib/telegram.ts b/src/lib/telegram.ts
index 72cd65c..8d8d01b 100644
--- a/src/lib/telegram.ts
+++ b/src/lib/telegram.ts
@@ -5,7 +5,10 @@ import type { NextRequest } from 'next/server';
 import nodeFetch from 'node-fetch';
 
 import type { AdminConfig } from './admin.types';
-import { generateAuthCookieValue } from './auth-cookie';
+import {
+  generateAuthCookieValue,
+  getDeviceInfoFromUserAgent,
+} from './auth-cookie';
 import { getConfig } from './config';
 import { db, getStorage } from './db';
 import { lockManager } from './lock';
@@ -64,6 +67,8 @@ interface TelegramLoginSession {
   username?: string;
   telegramUserId?: string;
   authToken?: string;
+  /** 发起登录的浏览器 User-Agent，用于设备管理展示 */
+  userAgent?: string;
 }
 
 interface TelegramBindSession {
@@ -318,12 +323,15 @@ export async function registerTelegramUser(input: {
   }
 }
 
-export async function createTelegramLoginSession(): Promise<TelegramLoginSession> {
+export async function createTelegramLoginSession(
+  userAgent?: string
+): Promise<TelegramLoginSession> {
   const session: TelegramLoginSession = {
     token: randomToken(),
     status: 'pending',
     createdAt: now(),
     expiresAt: now() + LOGIN_TTL_MS,
+    userAgent: userAgent || undefined,
   };
   await writeJson(loginSessionKey(session.token), session);
   return session;
@@ -381,11 +389,12 @@ export async function confirmTelegramLogin(token: string, telegramUserId: string
   if (!binding) throw new Error('当前 Telegram 账号尚未绑定站内账号');
 
   const role = await getUserRole(binding.username);
+  const deviceInfo = getDeviceInfoFromUserAgent(session.userAgent || '');
   const authToken = await generateAuthCookieValue({
     username: binding.username,
     role,
     includePassword: false,
-    deviceInfo: 'Telegram Bot Login',
+    deviceInfo,
   });
 
   session.status = 'confirmed';