diff --git a/apps/desktop-client/src/main/account-binder.ts b/apps/desktop-client/src/main/account-binder.ts
index 7fa0df3..1afc95e 100644
--- a/apps/desktop-client/src/main/account-binder.ts
+++ b/apps/desktop-client/src/main/account-binder.ts
@@ -24,6 +24,7 @@ import {
   sessionFetchJson,
   sessionFetchText,
 } from './adapters/common'
+import { readDeepseekAccountIdentity } from './adapters/deepseek/account-identity'
 import {
   buildDoubaoSessionCredentialEvidence,
   DOUBAO_AUTH_PROBE_URL,
@@ -44,6 +45,8 @@ import {
   QWEN_AUTH_PROBE_URL,
   readQwenAuthPageState,
 } from './adapters/qwen/auth-rules'
+import { readWenxinAccountIdentity } from './adapters/wenxin/account-identity'
+import { readYuanbaoAccountIdentity } from './adapters/yuanbao/account-identity'
 import type { AccountHealthProfile, AuthProbeResult } from './auth-types'
 import {
   attachWindowDiagnostics,
@@ -1454,7 +1457,28 @@ async function detectDeepSeekPlatform(
   label: string,
   context: DetectContext,
 ): Promise<DetectedAccount | null> {
-  return await detectCredentialBackedAIPlatform(platformId, label, context)
+  const detected = await detectCredentialBackedAIPlatform(platformId, label, context)
+  if (!detected) {
+    return null
+  }
+
+  const placeholderName = `${label} 会话`
+  const needsName = !detected.displayName || detected.displayName === placeholderName
+  const needsAvatar = !detected.avatarUrl
+  if (!needsName && !needsAvatar) {
+    return detected
+  }
+
+  const identity = await readDeepseekAccountIdentity(context.webContents).catch(() => null)
+  if (!identity || (!identity.displayName && !identity.avatarUrl)) {
+    return detected
+  }
+
+  return sanitizeDetectedAccount({
+    platformUid: detected.platformUid,
+    displayName: needsName && identity.displayName ? identity.displayName : detected.displayName,
+    avatarUrl: needsAvatar && identity.avatarUrl ? identity.avatarUrl : detected.avatarUrl,
+  })
 }
 
 async function detectYuanbaoPlatform(
@@ -1462,7 +1486,28 @@ async function detectYuanbaoPlatform(
   label: string,
   context: DetectContext,
 ): Promise<DetectedAccount | null> {
-  return await detectCredentialBackedAIPlatform(platformId, label, context)
+  const detected = await detectCredentialBackedAIPlatform(platformId, label, context)
+  if (!detected) {
+    return null
+  }
+
+  const placeholderName = `${label} 会话`
+  const needsName = !detected.displayName || detected.displayName === placeholderName
+  const needsAvatar = !detected.avatarUrl
+  if (!needsName && !needsAvatar) {
+    return detected
+  }
+
+  const identity = await readYuanbaoAccountIdentity(context.webContents).catch(() => null)
+  if (!identity || (!identity.displayName && !identity.avatarUrl)) {
+    return detected
+  }
+
+  return sanitizeDetectedAccount({
+    platformUid: detected.platformUid,
+    displayName: needsName && identity.displayName ? identity.displayName : detected.displayName,
+    avatarUrl: needsAvatar && identity.avatarUrl ? identity.avatarUrl : detected.avatarUrl,
+  })
 }
 
 async function detectWenxinPlatform(
@@ -1470,7 +1515,28 @@ async function detectWenxinPlatform(
   label: string,
   context: DetectContext,
 ): Promise<DetectedAccount | null> {
-  return await detectCredentialBackedAIPlatform(platformId, label, context)
+  const detected = await detectCredentialBackedAIPlatform(platformId, label, context)
+  if (!detected) {
+    return null
+  }
+
+  const placeholderName = `${label} 会话`
+  const needsName = !detected.displayName || detected.displayName === placeholderName
+  const needsAvatar = !detected.avatarUrl
+  if (!needsName && !needsAvatar) {
+    return detected
+  }
+
+  const identity = await readWenxinAccountIdentity(context.webContents).catch(() => null)
+  if (!identity || (!identity.displayName && !identity.avatarUrl)) {
+    return detected
+  }
+
+  return sanitizeDetectedAccount({
+    platformUid: detected.platformUid,
+    displayName: needsName && identity.displayName ? identity.displayName : detected.displayName,
+    avatarUrl: needsAvatar && identity.avatarUrl ? identity.avatarUrl : detected.avatarUrl,
+  })
 }
 
 async function detectQwenFromSession(
diff --git a/apps/desktop-client/src/main/adapters/deepseek/account-identity.ts b/apps/desktop-client/src/main/adapters/deepseek/account-identity.ts
new file mode 100644
index 0000000..8fcb98d
--- /dev/null
+++ b/apps/desktop-client/src/main/adapters/deepseek/account-identity.ts
@@ -0,0 +1,88 @@
+import type { WebContents } from 'electron/main'
+
+export interface DeepseekAccountIdentityHints {
+  displayName: string | null
+  avatarUrl: string | null
+}
+
+const POLL_TIMEOUT_MS = 6_000
+const POLL_INTERVAL_MS = 250
+
+function normalizeText(value: unknown): string | null {
+  if (typeof value !== 'string') return null
+  const trimmed = value.replace(/ /g, ' ').trim().replace(/\s+/g, ' ')
+  return trimmed || null
+}
+
+// DeepSeek (chat.deepseek.com) 没有 Redux/Pinia/window state，登录态只有 localStorage
+// 里的 `userToken`（JSON 包了 value 字段）。账号信息要走 /api/v0/users/current，
+// 用 Authorization: Bearer <token> 调。Cookie 不带 token，因此只能在页面上下文里
+// 执行 fetch（自带 token），返回 biz_data.id_profile.{name, picture}。
+//
+// probe 通常在隐藏窗口、刚加载完就跑，React app 可能还没把 userToken 写入 localStorage，
+// 所以要 poll 一下直到 token 出现，再调 API。
+export async function readDeepseekAccountIdentity(
+  webContents: WebContents | null | undefined,
+): Promise<DeepseekAccountIdentityHints> {
+  if (!webContents || webContents.isDestroyed()) {
+    return { displayName: null, avatarUrl: null }
+  }
+
+  const result = await webContents
+    .executeJavaScript(
+      `(async () => {
+      try {
+        const sleep = (ms) => new Promise((r) => setTimeout(r, ms));
+        const readToken = () => {
+          const raw = window.localStorage.getItem('userToken');
+          if (!raw) return null;
+          try {
+            const parsed = JSON.parse(raw);
+            const value = parsed?.value;
+            return typeof value === 'string' && value ? value : null;
+          } catch {
+            return typeof raw === 'string' && raw ? raw : null;
+          }
+        };
+
+        const deadline = Date.now() + ${POLL_TIMEOUT_MS};
+        let token = readToken();
+        while (!token && Date.now() < deadline) {
+          await sleep(${POLL_INTERVAL_MS});
+          token = readToken();
+        }
+        if (!token) return null;
+
+        const response = await fetch('/api/v0/users/current', {
+          method: 'GET',
+          credentials: 'include',
+          headers: { Authorization: 'Bearer ' + token },
+        });
+        if (!response.ok) return null;
+        const payload = await response.json().catch(() => null);
+        const profile = payload?.data?.biz_data?.id_profile ?? null;
+        const bizData = payload?.data?.biz_data ?? null;
+        const name = profile?.name ?? bizData?.email ?? bizData?.mobile_number ?? null;
+        const picture = profile?.picture ?? null;
+        return {
+          displayName: typeof name === 'string' ? name : null,
+          avatarUrl: typeof picture === 'string' ? picture : null,
+        };
+      } catch {
+        return null;
+      }
+    })();`,
+      true,
+    )
+    .catch(() => null)
+
+  if (!result || typeof result !== 'object') {
+    return { displayName: null, avatarUrl: null }
+  }
+
+  const typed = result as { displayName?: unknown; avatarUrl?: unknown }
+  return {
+    displayName: normalizeText(typed.displayName),
+    avatarUrl: normalizeText(typed.avatarUrl),
+  }
+}
diff --git a/apps/desktop-client/src/main/adapters/wenxin/account-identity.ts b/apps/desktop-client/src/main/adapters/wenxin/account-identity.ts
new file mode 100644
index 0000000..56dcf68
--- /dev/null
+++ b/apps/desktop-client/src/main/adapters/wenxin/account-identity.ts
@@ -0,0 +1,150 @@
+import type { WebContents } from 'electron/main'
+
+export interface WenxinAccountIdentityHints {
+  displayName: string | null
+  avatarUrl: string | null
+}
+
+function normalizeText(value: unknown): string | null {
+  if (typeof value !== 'string') return null
+  const trimmed = value.replace(/ /g, ' ').trim().replace(/\s+/g, ' ')
+  return trimmed || null
+}
+
+// 文心一言 (yiyan.baidu.com) 账号信息优先走 GET /eb/user/info，cookie 自带 BDUSS 即可，
+// 返回 content.uname (真实账号) + content.fuzzyName (脱敏) + content.portrait (头像)，
+// 对所有账号通用、不依赖 Redux hydrate 时序。
+//
+// API 失败时兜底：
+//   1. 读 __NEXT_REDUX_STORE__.updateReducer.userInfo.{uname, fuzzyName, portrait}
+//   2. 抓侧栏用户信息块的 DOM
+export async function readWenxinAccountIdentity(
+  webContents: WebContents | null | undefined,
+): Promise<WenxinAccountIdentityHints> {
+  if (!webContents || webContents.isDestroyed()) {
+    return { displayName: null, avatarUrl: null }
+  }
+
+  const result = await webContents
+    .executeJavaScript(
+      `(async () => {
+      try {
+        const normalize = (value) => {
+          if (typeof value !== 'string') return null;
+          const trimmed = value.replace(/\\u00a0/g, ' ').trim();
+          return trimmed || null;
+        };
+        const isRecord = (value) =>
+          typeof value === 'object' && value !== null && !Array.isArray(value);
+        const isVisible = (node) => {
+          if (!(node instanceof HTMLElement)) return false;
+          const style = window.getComputedStyle(node);
+          if (
+            style.display === 'none' ||
+            style.visibility === 'hidden' ||
+            style.opacity === '0' ||
+            node.hidden
+          ) {
+            return false;
+          }
+          const rect = node.getBoundingClientRect();
+          return rect.width >= 4 && rect.height >= 4;
+        };
+
+        let displayName = null;
+        let avatarUrl = null;
+
+        try {
+          const response = await fetch('/eb/user/info', {
+            method: 'GET',
+            credentials: 'include',
+          });
+          if (response.ok) {
+            const payload = await response.json().catch(() => null);
+            const content = payload && payload.ret === 0 ? payload.content : null;
+            if (isRecord(content) && content.isLogin === true) {
+              displayName =
+                normalize(content.uname) ?? normalize(content.fuzzyName);
+              avatarUrl = normalize(content.portrait);
+            }
+          }
+        } catch {
+          // fall through to fallbacks
+        }
+
+        if (!displayName || !avatarUrl) {
+          const store = window.__NEXT_REDUX_STORE__;
+          const state = typeof store?.getState === 'function' ? store.getState() : null;
+          const userInfo = isRecord(state?.updateReducer) ? state.updateReducer.userInfo : null;
+          if (isRecord(userInfo)) {
+            displayName =
+              displayName ??
+              normalize(userInfo.uname) ??
+              normalize(userInfo.fuzzyName) ??
+              normalize(userInfo.userName) ??
+              normalize(userInfo.nickName);
+            avatarUrl =
+              avatarUrl ??
+              normalize(userInfo.portrait) ??
+              normalize(userInfo.avatar) ??
+              normalize(userInfo.avatarUrl) ??
+              normalize(userInfo.headPic) ??
+              normalize(userInfo.headUrl);
+          }
+        }
+
+        if (!displayName) {
+          const sidebarSelectors = [
+            '[class*="userInfo"] [class*="name"]',
+            '[class*="user-info"] [class*="name"]',
+            '[class*="userName"]',
+            '[class*="user-name"]',
+            '[class*="nickName"]',
+            'aside [class*="user"] [class*="name"]',
+          ];
+          for (const selector of sidebarSelectors) {
+            const node = document.querySelector(selector);
+            if (!isVisible(node)) continue;
+            const text = normalize(node.textContent || '');
+            if (!text || text.length < 2 || text.length > 48) continue;
+            displayName = text;
+            break;
+          }
+        }
+
+        if (!avatarUrl) {
+          const avatarSelectors = [
+            '[class*="userInfo"] img',
+            '[class*="avatar"] img',
+            'aside img[alt]',
+          ];
+          for (const selector of avatarSelectors) {
+            const node = document.querySelector(selector);
+            if (!isVisible(node)) continue;
+            const src = normalize(node && 'src' in node ? node.src : null);
+            if (!src) continue;
+            if (/(logo|icon|favicon)/i.test(src)) continue;
+            avatarUrl = src;
+            break;
+          }
+        }
+
+        return { displayName, avatarUrl };
+      } catch {
+        return null;
+      }
+    })();`,
+      true,
+    )
+    .catch(() => null)
+
+  if (!result || typeof result !== 'object') {
+    return { displayName: null, avatarUrl: null }
+  }
+
+  const typed = result as { displayName?: unknown; avatarUrl?: unknown }
+  return {
+    displayName: normalizeText(typed.displayName),
+    avatarUrl: normalizeText(typed.avatarUrl),
+  }
+}
diff --git a/apps/desktop-client/src/main/adapters/yuanbao/account-identity.ts b/apps/desktop-client/src/main/adapters/yuanbao/account-identity.ts
new file mode 100644
index 0000000..21a4745
--- /dev/null
+++ b/apps/desktop-client/src/main/adapters/yuanbao/account-identity.ts
@@ -0,0 +1,97 @@
+import type { WebContents } from 'electron/main'
+
+export interface YuanbaoAccountIdentityHints {
+  displayName: string | null
+  avatarUrl: string | null
+}
+
+const POLL_TIMEOUT_MS = 6_000
+const POLL_INTERVAL_MS = 250
+
+function normalizeText(value: unknown): string | null {
+  if (typeof value !== 'string') return null
+  const trimmed = value.replace(/ /g, ' ').trim().replace(/\s+/g, ' ')
+  return trimmed || null
+}
+
+// 腾讯元宝 (yuanbao.tencent.com) 没暴露用户信息 API，初始化也不会动态拉取。
+// 但元宝用稳定的 BEM 命名（不是 CSS module hash），从侧栏用户块读：
+//   - 用户名: .yb-nav__user .nick-info-name (<p>)
+//   - 头像:   .yb-nav__user .yb-common-nav__ft__avatar img
+// probe 通常在隐藏窗口里、刚 navigation 就跑，React 还没把侧栏渲染出来，
+// 所以这里要 poll 一下 DOM 直到 .yb-nav__user 渲染出且 .nick-info-name 有文本。
+export async function readYuanbaoAccountIdentity(
+  webContents: WebContents | null | undefined,
+): Promise<YuanbaoAccountIdentityHints> {
+  if (!webContents || webContents.isDestroyed()) {
+    return { displayName: null, avatarUrl: null }
+  }
+
+  const result = await webContents
+    .executeJavaScript(
+      `(async () => {
+      try {
+        const normalize = (value) => {
+          if (typeof value !== 'string') return null;
+          const trimmed = value.replace(/\\u00a0/g, ' ').trim();
+          return trimmed || null;
+        };
+        const isVisible = (node) => {
+          if (!(node instanceof HTMLElement)) return false;
+          const style = window.getComputedStyle(node);
+          if (
+            style.display === 'none' ||
+            style.visibility === 'hidden' ||
+            style.opacity === '0' ||
+            node.hidden
+          ) {
+            return false;
+          }
+          const rect = node.getBoundingClientRect();
+          return rect.width >= 4 && rect.height >= 4;
+        };
+        const sleep = (ms) => new Promise((r) => setTimeout(r, ms));
+
+        const deadline = Date.now() + ${POLL_TIMEOUT_MS};
+        let displayName = null;
+        let avatarUrl = null;
+
+        while (Date.now() < deadline) {
+          const root = document.querySelector('.yb-nav__user');
+          if (root) {
+            const nameNode = root.querySelector('.nick-info-name');
+            if (isVisible(nameNode)) {
+              const text = normalize(nameNode.textContent || '');
+              if (text) displayName = text;
+            }
+            const avatarImg = root.querySelector('.yb-common-nav__ft__avatar img');
+            if (avatarImg && isVisible(avatarImg)) {
+              const src = normalize(avatarImg.src);
+              if (src && !/(logo|icon|favicon)/i.test(src)) {
+                avatarUrl = src;
+              }
+            }
+          }
+          if (displayName && avatarUrl) break;
+          await sleep(${POLL_INTERVAL_MS});
+        }
+
+        return { displayName, avatarUrl };
+      } catch {
+        return null;
+      }
+    })();`,
+      true,
+    )
+    .catch(() => null)
+
+  if (!result || typeof result !== 'object') {
+    return { displayName: null, avatarUrl: null }
+  }
+
+  const typed = result as { displayName?: unknown; avatarUrl?: unknown }
+  return {
+    displayName: normalizeText(typed.displayName),
+    avatarUrl: normalizeText(typed.avatarUrl),
+  }
+}