diff --git a/app/routers/accounts.py b/app/routers/accounts.py
index f8d32f6..c8b09bd 100644
--- a/app/routers/accounts.py
+++ b/app/routers/accounts.py
@@ -55,6 +55,15 @@ def delete_account(account_id: int, session: Session = Depends(get_session)) ->
     return account_service.delete_account(session, account_id)
 
 
+@router.get(
+    "/{account_id}/password",
+    summary="查看账号登录密码明文（解密返回）",
+    dependencies=[Depends(require_api_key)],
+)
+def reveal_password(account_id: int, session: Session = Depends(get_session)) -> dict:
+    return account_service.reveal_password(session, account_id)
+
+
 @router.post(
     "/{account_id}/test",
     summary="测试账号凭证有效性（按账号所属平台的 SDK）",
diff --git a/app/services/account_service.py b/app/services/account_service.py
index 966abdf..408e3c8 100644
--- a/app/services/account_service.py
+++ b/app/services/account_service.py
@@ -109,3 +109,17 @@ def delete_account(session: Session, account_id: int) -> Dict[str, int]:
     session.commit()
     # 资产端保留原账号名文本（不级联清空），由用户自行处理
     return {"affected_assets": affected}
+
+
+def reveal_password(session: Session, account_id: int) -> Dict[str, str]:
+    """解密返回账号登录密码明文（供前端「查看密码」功能）。
+
+    安全说明：接口受 API Key 保护；密码本可逆加密存储，此处合法解密还原。
+    """
+    account = _get_account(session, account_id)
+    plain = crypto.decrypt(account.login_password_encrypted)
+    if not plain:
+        raise HTTPException(
+            status_code=status.HTTP_404_NOT_FOUND, detail="该账号未配置登录密码"
+        )
+    return {"login_user": account.login_user or "", "password": plain}
diff --git a/static/js/modals.js b/static/js/modals.js
index ff425e5..9a91b2f 100644
--- a/static/js/modals.js
+++ b/static/js/modals.js
@@ -291,6 +291,7 @@ const AccountsViewModal = {
                     </div>
                     <div class="text-xs text-slate-400 truncate"><span v-if="a.remark">{{ a.name }} · </span>关联 {{ assetsOf(a).length }} 个资产</div>
                   </div>
+                  <button v-if="a.has_login_password" @click="viewPwd(a)" class="text-xs text-amber-600 dark:text-amber-400" title="查看登录密码">🔑</button>
                   <button v-if="canSync(a)" @click="testAcct(a)" class="text-xs text-emerald-600 dark:text-emerald-400">测试</button>
                   <button v-if="canSync(a)" @click="syncAcct(a)" class="text-xs text-violet-600 dark:text-violet-400">同步</button>
                   <button @click="edit(a)" class="text-xs text-blue-600 dark:text-blue-400">编辑</button>
@@ -310,9 +311,31 @@ const AccountsViewModal = {
         </div>
       </div>
     </div>
+    <!-- 密码查看弹窗：点击账号的 🔑 后展示明文，几秒后自动隐藏 -->
+    <div v-if="pwd.show" class="absolute inset-0 bg-black/50 flex items-center justify-center p-4" @click.self="pwd.show=false">
+      <div class="bg-white dark:bg-slate-800 rounded-xl w-full max-w-xs p-5 shadow-xl">
+        <h4 class="font-semibold text-sm mb-3">🔑 {{ pwd.name }} 的登录凭证</h4>
+        <div class="space-y-2 text-sm">
+          <div v-if="pwd.login_user" class="flex justify-between items-center gap-2">
+            <span class="text-slate-400 text-xs shrink-0">用户名</span>
+            <span class="font-mono truncate">{{ pwd.login_user }}</span>
+          </div>
+          <div class="flex justify-between items-center gap-2">
+            <span class="text-slate-400 text-xs shrink-0">密码</span>
+            <span class="font-mono break-all">{{ pwd.password }}</span>
+          </div>
+        </div>
+        <div class="flex gap-2 mt-4">
+          <button @click="copyPwd" class="flex-1 py-1.5 rounded-lg bg-blue-600 text-white text-xs">{{ pwd.copied ? '✓ 已复制' : '复制密码' }}</button>
+          <button @click="pwd.show=false" class="px-3 py-1.5 rounded-lg border border-slate-200 dark:border-slate-700 text-xs">关闭</button>
+        </div>
+        <p class="text-[10px] text-slate-400 mt-2 text-center">{{ pwd.countdown }}s 后自动关闭</p>
+      </div>
+    </div>
   </div>`,
   setup() {
     const expanded = Vue.reactive({});
+    const pwd = Vue.reactive({ show: false, name: '', login_user: '', password: '', copied: false, countdown: 0, _timer: null });
     const singleProvider = Vue.computed(() => !!store.accountsModal.providerSlug);
     const title = Vue.computed(() => {
       const slug = store.accountsModal.providerSlug;
@@ -372,9 +395,40 @@ const AccountsViewModal = {
     Vue.watch(() => store.accountsModal.show, (show) => {
       if (show) for (const k of Object.keys(expanded)) delete expanded[k];
     });
+    // 查看密码：拉取明文并展示，8 秒后自动关闭；关闭时清除定时器
+    async function viewPwd(a) {
+      try {
+        const r = await Api.get('/accounts/' + a.id + '/password');
+        pwd.name = a.remark || a.name;
+        pwd.login_user = r.login_user || '';
+        pwd.password = r.password;
+        pwd.copied = false;
+        pwd.show = true;
+        if (pwd._timer) clearInterval(pwd._timer);
+        pwd.countdown = 8;
+        pwd._timer = setInterval(() => {
+          pwd.countdown--;
+          if (pwd.countdown <= 0) { pwd.show = false; clearInterval(pwd._timer); pwd._timer = null; }
+        }, 1000);
+      } catch (e) { alert('获取密码失败：' + e.message); }
+    }
+    function copyPwd() {
+      const done = () => { pwd.copied = true; setTimeout(() => { pwd.copied = false; }, 1500); };
+      if (navigator.clipboard && navigator.clipboard.writeText) {
+        navigator.clipboard.writeText(pwd.password).then(done).catch(() => fallbackCopy());
+      } else { fallbackCopy(); }
+      function fallbackCopy() {
+        const ta = document.createElement('textarea');
+        ta.value = pwd.password; document.body.appendChild(ta); ta.select();
+        try { document.execCommand('copy'); done(); } catch (e) {}
+        document.body.removeChild(ta);
+      }
+    }
+    // 关闭弹窗时清定时器，避免泄漏
+    Vue.watch(() => pwd.show, (v) => { if (!v && pwd._timer) { clearInterval(pwd._timer); pwd._timer = null; } });
     return {
-      store, Fmt, expanded, singleProvider, title, accountList, groups,
-      platformName, assetsOf, toggle, canSync, testAcct, syncAcct,
+      store, Fmt, expanded, pwd, singleProvider, title, accountList, groups,
+      platformName, assetsOf, toggle, canSync, testAcct, syncAcct, viewPwd, copyPwd,
       add: () => openAccountCreate(store.accountsModal.providerSlug || ''),
       edit: openAccountEdit, del: deleteAccount,
     };