diff --git a/http_errors/403.json b/http_errors/403.json
new file mode 100644
index 0000000..213180c
--- /dev/null
+++ b/http_errors/403.json
@@ -0,0 +1 @@
+{"ok":false,"error":"forbidden"}
diff --git a/http_errors/404.json b/http_errors/404.json
new file mode 100644
index 0000000..7e686f6
--- /dev/null
+++ b/http_errors/404.json
@@ -0,0 +1 @@
+{"ok":false,"error":"not_found"}
diff --git a/http_errors/500.json b/http_errors/500.json
new file mode 100644
index 0000000..6dac872
--- /dev/null
+++ b/http_errors/500.json
@@ -0,0 +1 @@
+{"ok":false,"error":"internal_error"}
diff --git a/public/common/common.js b/public/common/common.js
index f7009ec..55bc370 100644
--- a/public/common/common.js
+++ b/public/common/common.js
@@ -51,10 +51,15 @@ window.cnDateStr = cnDateStr
 ;(function handleSetToken() {
   try {
     const u = new URL(window.location.href)
-    const token = u.searchParams.get('set_token')
+    const hashRaw = String(u.hash || '').replace(/^#/, '')
+    if (!/(^|[?&])set_token=/.test(hashRaw)) return
+    const hashParams = new URLSearchParams(hashRaw.startsWith('?') ? hashRaw.slice(1) : hashRaw)
+    const token = hashParams.get('set_token')
     if (token) {
       localStorage.setItem('toolbox_creds_token', token)
-      u.searchParams.delete('set_token')
+      hashParams.delete('set_token')
+      const nextHash = hashParams.toString()
+      u.hash = nextHash ? `#${nextHash}` : ''
       window.history.replaceState(null, '', u.toString())
     }
   } catch {}
diff --git a/public/tools/ai-lib/ai-lib.js b/public/tools/ai-lib/ai-lib.js
index ad1b0c5..9d93493 100644
--- a/public/tools/ai-lib/ai-lib.js
+++ b/public/tools/ai-lib/ai-lib.js
@@ -1292,8 +1292,11 @@
       ;(async function tryAutoFill() {
         try {
           const token = localStorage.getItem('toolbox_creds_token') || ''
-          const url = '/api/ai-lib/auth/local_creds' + (token ? '?token=' + encodeURIComponent(token) : '')
-          const r = await fetch(url, { credentials: 'same-origin', cache: 'no-store' })
+          const r = await fetch('/api/ai-lib/auth/local_creds', {
+            headers: token ? { 'X-Local-Creds-Token': token } : {},
+            credentials: 'same-origin',
+            cache: 'no-store'
+          })
           const d = await r.json().catch(() => null)
           if (d && d.ok && d.creds) {
             if (d.creds.username) el('login-user').value = d.creds.username
diff --git a/public/tools/cloud_notes/cloud_notes.js b/public/tools/cloud_notes/cloud_notes.js
index b5d50a6..682a6cd 100644
--- a/public/tools/cloud_notes/cloud_notes.js
+++ b/public/tools/cloud_notes/cloud_notes.js
@@ -2095,8 +2095,11 @@ const cn = (() => {
     ;(async function tryAutoFill() {
       try {
         const token = localStorage.getItem('toolbox_creds_token') || ''
-        const url = '/api/cloud_notes/auth/local_creds' + (token ? '?token=' + encodeURIComponent(token) : '')
-        const r = await fetch(url, { credentials: 'same-origin', cache: 'no-store' })
+        const r = await fetch('/api/cloud_notes/auth/local_creds', {
+          headers: token ? { 'X-Local-Creds-Token': token } : {},
+          credentials: 'same-origin',
+          cache: 'no-store'
+        })
         const d = await r.json().catch(() => null)
         if (d && d.ok && d.creds) {
           if (d.creds.username) el('cn-username').value = d.creds.username
diff --git a/public/tools/cloud_sheets/cloud_sheets.js b/public/tools/cloud_sheets/cloud_sheets.js
index 1588676..a0a1124 100644
--- a/public/tools/cloud_sheets/cloud_sheets.js
+++ b/public/tools/cloud_sheets/cloud_sheets.js
@@ -1064,8 +1064,11 @@ const cs = (() => {
     ;(async function tryAutoFill() {
       try {
         const token = localStorage.getItem('toolbox_creds_token') || ''
-        const url = '/api/cloud_sheets/auth/local_creds' + (token ? '?token=' + encodeURIComponent(token) : '')
-        const r = await fetch(url, { credentials: 'same-origin', cache: 'no-store' })
+        const r = await fetch('/api/cloud_sheets/auth/local_creds', {
+          headers: token ? { 'X-Local-Creds-Token': token } : {},
+          credentials: 'same-origin',
+          cache: 'no-store'
+        })
         const d = await r.json().catch(() => null)
         if (d && d.ok && d.creds) {
           if (d.creds.username) el('cs-username').value = d.creds.username
diff --git a/public/tools/doc_cloud_keeper/doc_cloud_keeper.js b/public/tools/doc_cloud_keeper/doc_cloud_keeper.js
index ccbf351..c2b4752 100644
--- a/public/tools/doc_cloud_keeper/doc_cloud_keeper.js
+++ b/public/tools/doc_cloud_keeper/doc_cloud_keeper.js
@@ -1630,8 +1630,11 @@ SHA256: ${esc(result.sha256 || '-')}
     ;(async function tryAutoFill() {
       try {
         const token = localStorage.getItem('toolbox_creds_token') || ''
-        const url = '/api/doc_cloud_keeper/auth/local_creds' + (token ? '?token=' + encodeURIComponent(token) : '')
-        const r = await fetch(url, { credentials: 'same-origin', cache: 'no-store' })
+        const r = await fetch('/api/doc_cloud_keeper/auth/local_creds', {
+          headers: token ? { 'X-Local-Creds-Token': token } : {},
+          credentials: 'same-origin',
+          cache: 'no-store'
+        })
         const d = await r.json().catch(() => null)
         if (d && d.ok && d.creds) {
           if (d.creds.username) el('dck-username').value = d.creds.username
diff --git a/public/tools/doc_cloud_keeper/index.html b/public/tools/doc_cloud_keeper/index.html
index 7ec4d91..c2a2ffd 100644
--- a/public/tools/doc_cloud_keeper/index.html
+++ b/public/tools/doc_cloud_keeper/index.html
@@ -16,7 +16,7 @@
         <div class="dck-stats">
           <span id="dck-stat-total">文件数: 0</span>
           <span id="dck-stat-size">占用: 0 B</span>
-          <span id="dck-stat-trash">回收站: 0</span><a href="DocHelper\DocHelper.zip">⚒</a>
+                <span id="dck-stat-trash">回收站: 0</span>
         </div>
       </div>
       <div id="dck-header-actions" class="dck-actions" style="display:none">
diff --git a/public/tools/investment_ledger/index.html b/public/tools/investment_ledger/index.html
index f87a87b..d754ed5 100644
--- a/public/tools/investment_ledger/index.html
+++ b/public/tools/investment_ledger/index.html
@@ -11,8 +11,10 @@
     <section class="panel">
       <h1>投资事件账本 V1</h1>
       <div class="form-grid">
-        <label>CSV 文件路径</label>
-        <input id="filePath" type="text" value="d:\Trae_Files\TRAE-Toolbox\temp\工作簿1.csv" />
+        <label>CSV 文件</label>
+        <input id="fileInput" type="file" accept=".csv,.txt,text/csv,text/plain" />
+        <label>CSV 文本</label>
+        <textarea id="rawText" rows="5" placeholder="可直接粘贴 CSV 原文；如果已选择文件，这里可以留空。"></textarea>
         <label>标的代码</label>
         <input id="symbol" type="text" value="510500" />
       </div>
diff --git a/public/tools/investment_ledger/investment_ledger.js b/public/tools/investment_ledger/investment_ledger.js
index 6ea0dbf..addaf3a 100644
--- a/public/tools/investment_ledger/investment_ledger.js
+++ b/public/tools/investment_ledger/investment_ledger.js
@@ -228,12 +228,22 @@ const saveModal = () => {
   refreshAll()
 }
 
+const readSelectedFileText = async () => {
+  const input = $('fileInput')
+  const file = input && input.files && input.files[0]
+  if (!file) return ''
+  return file.text()
+}
+
 const parseFile = async () => {
   try {
     setStatus('解析中...')
     $('btnParse').disabled = true
+    const fileText = await readSelectedFileText()
+    const rawText = String((fileText || $('rawText').value || '')).trim()
+    if (!rawText) throw new Error('请选择 CSV 文件，或粘贴 CSV 文本')
     const payload = {
-      file_path: $('filePath').value.trim(),
+      raw_text: rawText,
       symbol: $('symbol').value.trim()
     }
     const resp = await fetch('/api/investment_ledger/parse', {
diff --git a/public/tools/language_behavior_lock/language_behavior_lock.js b/public/tools/language_behavior_lock/language_behavior_lock.js
index 822e9d2..9ba72bf 100644
--- a/public/tools/language_behavior_lock/language_behavior_lock.js
+++ b/public/tools/language_behavior_lock/language_behavior_lock.js
@@ -2,10 +2,13 @@
   ;(function handleSetToken() {
     try {
       const u = new URL(window.location.href)
-      const token = u.searchParams.get('set_token')
+      const hashRaw = String(u.hash || '').replace(/^#/, '')
+      const hashParams = new URLSearchParams(hashRaw.startsWith('?') ? hashRaw.slice(1) : hashRaw)
+      const token = hashParams.get('set_token')
       if (token) {
         localStorage.setItem('toolbox_creds_token', token)
-        u.searchParams.delete('set_token')
+        hashParams.delete('set_token')
+        u.hash = hashParams.toString() ? `#${hashParams.toString()}` : ''
         window.history.replaceState(null, '', u.toString())
       }
     } catch {}
@@ -1057,8 +1060,11 @@
     ;(async function tryAutoFill() {
       try {
         const token = localStorage.getItem('toolbox_creds_token') || ''
-        const url = '/api/language_behavior_lock/auth/local_creds' + (token ? '?token=' + encodeURIComponent(token) : '')
-        const r = await fetch(url, { credentials: 'same-origin', cache: 'no-store' })
+        const r = await fetch('/api/language_behavior_lock/auth/local_creds', {
+          headers: token ? { 'X-Local-Creds-Token': token } : {},
+          credentials: 'same-origin',
+          cache: 'no-store'
+        })
         const d = await r.json().catch(() => null)
         if (d && d.ok && d.creds) {
           if (d.creds.username) $('login-username').value = d.creds.username
diff --git a/public/tools/oss_file_cabinet/oss_file_cabinet.js b/public/tools/oss_file_cabinet/oss_file_cabinet.js
index 84e6a00..e73a83c 100644
--- a/public/tools/oss_file_cabinet/oss_file_cabinet.js
+++ b/public/tools/oss_file_cabinet/oss_file_cabinet.js
@@ -127,7 +127,11 @@
     try {
       const token = localStorage.getItem('toolbox_creds_token') || ''
       if (!token) return
-      const r = await apiGet(API + '/auth/local_creds?token=' + encodeURIComponent(token))
+      const r = await fetch(API + '/auth/local_creds', {
+        headers: { 'X-Local-Creds-Token': token },
+        credentials: 'same-origin',
+        cache: 'no-store'
+      }).then(resp => resp.json())
       if (r && r.ok && r.creds) {
         if (r.creds.username) $('#loginUsername').value = r.creds.username
         if (r.creds.password) $('#loginPassword').value = r.creds.password
@@ -146,12 +150,17 @@
   const main = async () => {
     initTheme()
 
-    // ===== set_token 处理：仅存入 localStorage，不自动登录 =====
+    // ===== set_token 仅允许从 hash 读取，避免进入服务端日志 =====
     try {
-      const params = new URLSearchParams(location.search)
-      const setToken = params.get('set_token')
+      const currentUrl = new URL(window.location.href)
+      const hashRaw = String(currentUrl.hash || '').replace(/^#/, '')
+      const hashParams = new URLSearchParams(hashRaw.startsWith('?') ? hashRaw.slice(1) : hashRaw)
+      const setToken = hashParams.get('set_token')
       if (setToken) {
         localStorage.setItem('toolbox_creds_token', setToken)
+        hashParams.delete('set_token')
+        currentUrl.hash = hashParams.toString() ? `#${hashParams.toString()}` : ''
+        history.replaceState(null, document.title, currentUrl.toString())
       }
     } catch {}
 
@@ -1119,4 +1128,4 @@
   }
 
   document.addEventListener('DOMContentLoaded', main)
-})()
\ No newline at end of file
+})()
diff --git a/public/tools/private_clipboard/clipboard.js b/public/tools/private_clipboard/clipboard.js
index 0b0d041..5fa3dd4 100644
--- a/public/tools/private_clipboard/clipboard.js
+++ b/public/tools/private_clipboard/clipboard.js
@@ -980,12 +980,17 @@ const createFolder = async () => {
 }
 
 const init = async () => {
-  // ===== set_token 处理：必须在 clearUrlQuery 之前 =====
+  // ===== set_token 仅允许从 hash 读取，避免进入服务端日志 =====
   try {
-    const params = new URLSearchParams(window.location.search)
-    const setToken = params.get('set_token')
+    const currentUrl = new URL(window.location.href)
+    const hashRaw = String(currentUrl.hash || '').replace(/^#/, '')
+    const hashParams = new URLSearchParams(hashRaw.startsWith('?') ? hashRaw.slice(1) : hashRaw)
+    const setToken = hashParams.get('set_token')
     if (setToken) {
       localStorage.setItem('toolbox_creds_token', setToken)
+      hashParams.delete('set_token')
+      currentUrl.hash = hashParams.toString() ? `#${hashParams.toString()}` : ''
+      window.history.replaceState(null, '', currentUrl.toString())
     }
   } catch {}
 
@@ -1038,7 +1043,8 @@ const init = async () => {
     try {
       const token = localStorage.getItem('toolbox_creds_token') || ''
       if (!token) return
-      const res = await fetch(apiBase + '/auth/local_creds?token=' + encodeURIComponent(token), {
+      const res = await fetch(apiBase + '/auth/local_creds', {
+        headers: { 'X-Local-Creds-Token': token },
         credentials: 'same-origin',
         cache: 'no-store'
       })
diff --git a/public/tools/rational_lock/rational_lock.js b/public/tools/rational_lock/rational_lock.js
index 3576a06..dcb11df 100644
--- a/public/tools/rational_lock/rational_lock.js
+++ b/public/tools/rational_lock/rational_lock.js
@@ -2,10 +2,13 @@
   ;(function handleSetToken() {
     try {
       const u = new URL(window.location.href)
-      const token = u.searchParams.get('set_token')
+      const hashRaw = String(u.hash || '').replace(/^#/, '')
+      const hashParams = new URLSearchParams(hashRaw.startsWith('?') ? hashRaw.slice(1) : hashRaw)
+      const token = hashParams.get('set_token')
       if (token) {
         localStorage.setItem('toolbox_creds_token', token)
-        u.searchParams.delete('set_token')
+        hashParams.delete('set_token')
+        u.hash = hashParams.toString() ? `#${hashParams.toString()}` : ''
         window.history.replaceState(null, '', u.toString())
       }
     } catch {}
@@ -2002,8 +2005,11 @@
     ;(async function tryAutoFill() {
       try {
         const token = localStorage.getItem('toolbox_creds_token') || ''
-        const url = '/api/rational_lock/auth/local_creds' + (token ? '?token=' + encodeURIComponent(token) : '')
-        const r = await fetch(url, { credentials: 'same-origin', cache: 'no-store' })
+        const r = await fetch('/api/rational_lock/auth/local_creds', {
+          headers: token ? { 'X-Local-Creds-Token': token } : {},
+          credentials: 'same-origin',
+          cache: 'no-store'
+        })
         const d = await r.json().catch(() => null)
         if (d && d.ok && d.creds) {
           if (d.creds.username) $('login-username').value = d.creds.username
diff --git a/public/tools/web_zen_box/sw.js b/public/tools/web_zen_box/sw.js
index 84f1c84..d913bc0 100644
--- a/public/tools/web_zen_box/sw.js
+++ b/public/tools/web_zen_box/sw.js
@@ -1,6 +1,58 @@
-const CACHE = 'music-box-v4';
+const CACHE = 'music-box-v5';
 const AUDIO_CACHE = 'zen-audio-cache';
 
+function isAudioRequest(request) {
+  return request.url.includes('.mp3') || request.url.includes('oss');
+}
+
+async function buildPartialAudioResponse(request, cachedResponse) {
+  const rangeHeader = request.headers.get('range');
+  if (!rangeHeader) return cachedResponse;
+
+  const match = /bytes=(\d*)-(\d*)/.exec(rangeHeader);
+  if (!match) return cachedResponse;
+
+  const blob = await cachedResponse.blob();
+  const size = blob.size;
+  let start = match[1] ? Number(match[1]) : 0;
+  let end = match[2] ? Number(match[2]) : size - 1;
+
+  if (!Number.isFinite(start) || start < 0) start = 0;
+  if (!Number.isFinite(end) || end >= size) end = size - 1;
+
+  if (start >= size || start > end) {
+    return new Response(null, {
+      status: 416,
+      headers: {
+        'Accept-Ranges': 'bytes',
+        'Content-Range': `bytes */${size}`
+      }
+    });
+  }
+
+  const partialBlob = blob.slice(start, end + 1, blob.type || cachedResponse.headers.get('content-type') || 'audio/mpeg');
+  return new Response(partialBlob, {
+    status: 206,
+    headers: {
+      'Accept-Ranges': 'bytes',
+      'Content-Length': String(end - start + 1),
+      'Content-Range': `bytes ${start}-${end}/${size}`,
+      'Content-Type': partialBlob.type || cachedResponse.headers.get('content-type') || 'audio/mpeg'
+    }
+  });
+}
+
+async function handleAudioRequest(request) {
+  const audioCache = await caches.open(AUDIO_CACHE);
+  const cached = await audioCache.match(request.url);
+
+  if (cached) {
+    return buildPartialAudioResponse(request, cached);
+  }
+
+  return fetch(request);
+}
+
 self.addEventListener('install', e => {
   self.skipWaiting();
   e.waitUntil(
@@ -25,14 +77,9 @@ self.addEventListener('activate', e => {
 
 self.addEventListener('fetch', e => {
   // 音频文件：优先命中 zen-audio-cache（离线播放必需），否则走网络
-  if (e.request.url.includes('.mp3') || e.request.url.includes('oss')) {
+  if (isAudioRequest(e.request)) {
     e.respondWith(
-      caches.open(AUDIO_CACHE).then(audioCache =>
-        audioCache.match(e.request).then(cached => {
-          if (cached) return cached;
-          return fetch(e.request);
-        })
-      ).catch(() => fetch(e.request))
+      handleAudioRequest(e.request).catch(() => fetch(e.request))
     );
     return;
   }
diff --git a/public/tools/weekly/weekly.js b/public/tools/weekly/weekly.js
index f829093..73b861f 100644
--- a/public/tools/weekly/weekly.js
+++ b/public/tools/weekly/weekly.js
@@ -892,8 +892,11 @@
   ;(async function tryAutoFill() {
     try {
       const token = localStorage.getItem('toolbox_creds_token') || ''
-      const url = apiBase + '/auth/local_creds' + (token ? '?token=' + encodeURIComponent(token) : '')
-      const res = await fetch(url, { credentials: 'same-origin', cache: 'no-store' })
+      const res = await fetch(apiBase + '/auth/local_creds', {
+        headers: token ? { 'X-Local-Creds-Token': token } : {},
+        credentials: 'same-origin',
+        cache: 'no-store'
+      })
       const data = await res.json().catch(() => null)
       if (data && data.ok && data.creds) {
         if (data.creds.username) el('login-user').value = data.creds.username
diff --git a/src/server/ai-lib.js b/src/server/ai-lib.js
index 330b16d..29b2501 100644
--- a/src/server/ai-lib.js
+++ b/src/server/ai-lib.js
@@ -30,6 +30,15 @@ const deriveKey = () => {
   }
   return _key
 }
+
+const getLocalCredsToken = (req) => {
+  const headerToken = String((req.headers && req.headers['x-local-creds-token']) || '').trim()
+  if (headerToken) return headerToken
+  if (req.method !== 'GET' && req.body && typeof req.body === 'object') {
+    return String(req.body.token || '').trim()
+  }
+  return ''
+}
 const enc = (plain) => {
   const key = deriveKey()
   const iv = crypto.randomBytes(12)
@@ -431,7 +440,7 @@ const bindRoutes = (app) => {
       })
       const serverToken = String(creds.TOOLBOX_LOCAL_CREDS_TOKEN || '')
       if (serverToken) {
-        const clientToken = String(req.query.token || '')
+        const clientToken = getLocalCredsToken(req)
         if (clientToken !== serverToken) return res.json({ ok: true, creds: null })
       }
       const u = creds.AILIB_USERNAME || ''
diff --git a/src/server/data_gateway/skills/email_sender/email.db-wal b/src/server/data_gateway/skills/email_sender/email.db-wal
index acc10a9..59dbba0 100644
Binary files a/src/server/data_gateway/skills/email_sender/email.db-wal and b/src/server/data_gateway/skills/email_sender/email.db-wal differ
diff --git a/src/server/index.js b/src/server/index.js
index 61fbe72..b5499f9 100644
--- a/src/server/index.js
+++ b/src/server/index.js
@@ -96,6 +96,7 @@ app.use((req, res, next) => {
 
 // 移除 X-Powered-By 响应头（避免泄露 Express 版本信息）
 app.disable('x-powered-by')
+app.set('etag', false)
 
 // CORS 白名单限制 — 仅允许指定域名跨域访问 API
 const allowedOrigins = [
@@ -106,18 +107,33 @@ const allowedOrigins = [
   'http://localhost:8081',
   'http://127.0.0.1:8081'
 ]
-app.use(cors({
-  origin: function (origin, callback) {
-    // 允许无 origin 的请求（如 curl、服务器端调用）
-    if (!origin) return callback(null, true)
-    if (allowedOrigins.indexOf(origin) !== -1) {
-      callback(null, true)
-    } else {
-      callback(new Error('Not allowed by CORS'))
+const isAllowedCorsOrigin = (origin) => !origin || allowedOrigins.includes(origin)
+app.use((req, res, next) => {
+  const origin = String(req.headers.origin || '').trim()
+  const isAllowed = isAllowedCorsOrigin(origin)
+
+  if (origin && isAllowed) {
+    res.set('Access-Control-Allow-Origin', origin)
+    res.vary('Origin')
+    res.set('Access-Control-Allow-Credentials', 'true')
+  }
+
+  if (req.method === 'OPTIONS') {
+    if (!origin || isAllowed) {
+      res.set('Access-Control-Allow-Methods', 'GET, POST, PUT, PATCH, DELETE, OPTIONS')
+      res.set('Access-Control-Allow-Headers', 'Content-Type, Authorization, X-Requested-With, X-Local-Creds-Token')
+      res.set('Access-Control-Allow-Credentials', 'true')
+      return res.status(204).end()
     }
-  },
-  credentials: true
-}))
+    return res.status(403).json({ ok: false, error: 'cors_origin_denied' })
+  }
+
+  if (origin && !isAllowed) {
+    return res.status(403).json({ ok: false, error: 'cors_origin_denied' })
+  }
+
+  return next()
+})
 
 // 强制 HTTPS：HTTP 请求返回 301 跳转到 HTTPS
 app.use((req, res, next) => {
@@ -165,10 +181,23 @@ const readLocalCreds = () => {
   } catch { return {} }
 }
 
+const getLocalCredsClientToken = (req) => {
+  try {
+    const headerToken = String(req.headers['x-local-creds-token'] || req.headers['x-toolbox-creds-token'] || '').trim()
+    if (headerToken) return headerToken
+    const authHeader = String(req.headers.authorization || '').trim()
+    if (authHeader.startsWith('Bearer ')) return authHeader.slice(7).trim()
+    if (req.method !== 'GET' && req.body && typeof req.body === 'object') {
+      return String(req.body.token || '').trim()
+    }
+  } catch {}
+  return ''
+}
+
 const checkLocalCredsToken = (req, localCreds) => {
   const serverToken = String(localCreds.TOOLBOX_LOCAL_CREDS_TOKEN || '')
   if (!serverToken) return true
-  const clientToken = String(req.query.token || '')
+  const clientToken = getLocalCredsClientToken(req)
   return clientToken === serverToken
 }
 
@@ -3350,6 +3379,10 @@ app.get('/api/doc_cloud_keeper/auth/local_creds', (req, res) => {
     res.json({ ok: true, creds: { username: u, password: p } })
   } catch { sendNoCreds(res) }
 })
+app.use('/tools/doc_cloud_keeper/DocHelper', (req, res, next) => {
+  if (hasDocCloudKeeperAuth(req)) return next()
+  return res.status(404).send('Not Found')
+})
 app.get('/tools/doc_cloud_keeper', (req, res, next) => {
   try {
     const token = String(req.query.token || '').trim()
@@ -6162,6 +6195,16 @@ app.use('/tools/web_order_box', (req, res, next) => {
   next()
 })
 app.use('/tools/web_order_box', express.static(path.join(process.cwd(), 'public', 'tools', 'web_order_box')))
+app.use('/tools/investment_ledger', (req, res, next) => {
+  try {
+    if (hasNavAuthRoot(req)) return next()
+    return res.status(401).send('未授权')
+  } catch { return res.status(401).send('未授权') }
+})
+
+app.get(['/package.json', '/package-lock.json', '/pnpm-lock.yaml', '/yarn.lock', '/robots.txt'], (_req, res) => {
+  res.status(404).send('Not Found')
+})
 
 app.get('/api/zen_box/playlists', (req, res) => {
   try {
@@ -6623,7 +6666,12 @@ ensureWeeklyEmbedLoaded()
 ensurePscLoaded()
 aiLib.bindRoutes(app)
 expense.bindRoutes(app)
-investmentLedger.bindRoutes(app)
+investmentLedger.bindRoutes(app, {
+  requireAuth: (req, res, next) => {
+    if (hasNavAuthRoot(req)) return next()
+    return res.status(401).json({ ok: false, error: 'unauthorized' })
+  }
+})
 styleCheck.bindRoutes(app)
 globalNews.bindRoutes(app)
 dataGateway.bindRoutes(app)
@@ -6731,6 +6779,21 @@ app.get('/api/yuanzhupai/sessions/:id', (req, res) => {
   }
 })
 
+app.use((err, req, res, next) => {
+  try {
+    logJSON('http.unhandled.error', {
+      path: req && req.path,
+      method: req && req.method,
+      error: String(err && err.message ? err.message : err)
+    }, 'server')
+  } catch {}
+  if (res.headersSent) return next(err)
+  if (req && req.path && req.path.startsWith('/api/')) {
+    return res.status(500).json({ ok: false, error: 'internal_error' })
+  }
+  return res.status(500).send('服务器开小差了')
+})
+
 // 404 处理：覆盖 Express 默认 "Cannot GET" 错误页，避免泄露技术栈特征
 app.use((req, res) => {
   res.status(404).json({ ok: false, error: 'not_found' })
diff --git a/src/server/investment_ledger.js b/src/server/investment_ledger.js
index 0590e0e..945f1dd 100644
--- a/src/server/investment_ledger.js
+++ b/src/server/investment_ledger.js
@@ -2,6 +2,7 @@ const fs = require('fs')
 const path = require('path')
 const iconv = require('iconv-lite')
 const { logJSON } = require('./logger')
+const INTERNAL_ERROR = 'internal_error'
 
 const readTextWithFallback = filePath => {
   const buf = fs.readFileSync(filePath)
@@ -249,7 +250,11 @@ const summarizeEvents = events => {
   }
 }
 
-const bindRoutes = app => {
+const sendError = (res, status, error) => {
+  res.status(status).json({ ok: false, error })
+}
+
+const bindRoutes = (app, options = {}) => {
   app.use('/api/investment_ledger', (req, res, next) => {
     res.set('Cache-Control', 'no-store, no-cache, must-revalidate')
     res.set('Pragma', 'no-cache')
@@ -257,6 +262,13 @@ const bindRoutes = app => {
     next()
   })
 
+  app.use('/api/investment_ledger', (req, res, next) => {
+    if (typeof options.requireAuth === 'function') {
+      return options.requireAuth(req, res, next)
+    }
+    return next()
+  })
+
   app.get('/api/investment_ledger/ping', (req, res) => {
     res.json({ ok: true, ts: Date.now() })
   })
@@ -265,24 +277,20 @@ const bindRoutes = app => {
     try {
       const symbol = String((req.body && req.body.symbol) || '').trim()
       const rawText = String((req.body && req.body.raw_text) || '')
-      const filePath = String((req.body && req.body.file_path) || '').trim()
+      if (!rawText) return sendError(res, 400, 'empty_input')
+      if (String((req.body && req.body.file_path) || '').trim()) {
+        return sendError(res, 400, 'file_path_not_allowed')
+      }
       let text = rawText
       let encoding = 'utf8'
-      if (!text && filePath) {
-        const abs = path.resolve(filePath)
-        if (!fs.existsSync(abs)) return res.status(400).json({ ok: false, error: 'file_not_found' })
-        const decoded = readTextWithFallback(abs)
-        text = decoded.text
-        encoding = decoded.encoding
-      }
-      if (!text) return res.status(400).json({ ok: false, error: 'empty_input' })
       const rows = parseCsvText(text)
       const events = normalizeRowsToEvents(rows, symbol)
       const summary = summarizeEvents(events)
       logJSON('investment_ledger.parse', { symbol, encoding, events: events.length }, 'investment_ledger')
       res.json({ ok: true, encoding, summary, rows: events })
     } catch (e) {
-      res.status(500).json({ ok: false, error: String(e.message || e) })
+      logJSON('investment_ledger.parse.error', { error: String(e.message || e) }, 'investment_ledger')
+      sendError(res, 500, INTERNAL_ERROR)
     }
   })
 }
diff --git a/src/server/language_behavior_lock.js b/src/server/language_behavior_lock.js
index 7745a49..9f77041 100644
--- a/src/server/language_behavior_lock.js
+++ b/src/server/language_behavior_lock.js
@@ -118,6 +118,15 @@ const requireAuth = (req, res, next) => {
   next()
 }
 
+const getLocalCredsToken = (req) => {
+  const headerToken = String((req.headers && req.headers['x-local-creds-token']) || '').trim()
+  if (headerToken) return headerToken
+  if (req.method !== 'GET' && req.body && typeof req.body === 'object') {
+    return String(req.body.token || '').trim()
+  }
+  return ''
+}
+
 const bindRoutes = app => {
   ensureDefaultUser()
 
@@ -151,7 +160,7 @@ const bindRoutes = app => {
       })
       const serverToken = String(creds.TOOLBOX_LOCAL_CREDS_TOKEN || '')
       if (serverToken) {
-        const clientToken = String(req.query.token || '')
+        const clientToken = getLocalCredsToken(req)
         if (clientToken !== serverToken) return res.json({ ok: true, creds: null })
       }
       const u = creds.LBL_USERNAME || ''
diff --git a/src/server/oss_file_cabinet.js b/src/server/oss_file_cabinet.js
index a8f85da..5d627f4 100644
--- a/src/server/oss_file_cabinet.js
+++ b/src/server/oss_file_cabinet.js
@@ -139,6 +139,14 @@ const getExpectedToken = () => {
   const creds = readLocalCreds()
   return String(creds.TOOLBOX_LOCAL_CREDS_TOKEN || '').trim()
 }
+const getLocalCredsToken = (req) => {
+  const headerToken = String((req.headers && req.headers['x-local-creds-token']) || '').trim()
+  if (headerToken) return headerToken
+  if (req.method !== 'GET' && req.body && typeof req.body === 'object') {
+    return String(req.body.token || '').trim()
+  }
+  return ''
+}
 
 const signAuthPayload = (username) => {
   const payload = { sub: username, iat: Date.now() }
@@ -495,7 +503,7 @@ const createRouter = () => {
 
   router.get('/auth/local_creds', (req, res) => {
     try {
-      const token = String((req.query && req.query.token) || '').trim()
+      const token = getLocalCredsToken(req)
       const expectedToken = getExpectedToken()
       if (!expectedToken || token !== expectedToken) return res.status(401).json({ ok: false, error: '令牌无效' })
       const username = getExpectedUsername()
@@ -1093,4 +1101,4 @@ const bindRoutes = (app) => {
   app.use('/api/oss_file_cabinet', router)
 }
 
-module.exports = { bindRoutes, getDb, humanSize, getExt, isImage }
\ No newline at end of file
+module.exports = { bindRoutes, getDb, humanSize, getExt, isImage }
diff --git a/src/server/private_clipboard.js b/src/server/private_clipboard.js
index 76f9ac7..099c0bb 100644
--- a/src/server/private_clipboard.js
+++ b/src/server/private_clipboard.js
@@ -320,6 +320,14 @@ const getExpectedToken = () => {
   const creds = readLocalCreds()
   return String(creds.TOOLBOX_LOCAL_CREDS_TOKEN || '').trim()
 }
+const getLocalCredsToken = (req) => {
+  const headerToken = String((req.headers && req.headers['x-local-creds-token']) || '').trim()
+  if (headerToken) return headerToken
+  if (req.method !== 'GET' && req.body && typeof req.body === 'object') {
+    return String(req.body.token || '').trim()
+  }
+  return ''
+}
 
 const createRouter = () => {
   const router = express.Router()
@@ -374,7 +382,7 @@ const createRouter = () => {
 
   router.get('/auth/local_creds', (req, res) => {
     try {
-      const token = String((req.query && req.query.token) || '').trim()
+      const token = getLocalCredsToken(req)
       const expectedToken = getExpectedToken()
       if (!expectedToken || token !== expectedToken) {
         return res.status(401).json({ ok: false, error: 'invalid_token' })
diff --git a/src/server/rational_lock.js b/src/server/rational_lock.js
index 9620964..69345d5 100644
--- a/src/server/rational_lock.js
+++ b/src/server/rational_lock.js
@@ -118,6 +118,15 @@ const requireAuth = (req, res, next) => {
   next()
 }
 
+const getLocalCredsToken = (req) => {
+  const headerToken = String((req.headers && req.headers['x-local-creds-token']) || '').trim()
+  if (headerToken) return headerToken
+  if (req.method !== 'GET' && req.body && typeof req.body === 'object') {
+    return String(req.body.token || '').trim()
+  }
+  return ''
+}
+
 const bindRoutes = app => {
   ensureDefaultUser()
 
@@ -151,7 +160,7 @@ const bindRoutes = app => {
       })
       const serverToken = String(creds.TOOLBOX_LOCAL_CREDS_TOKEN || '')
       if (serverToken) {
-        const clientToken = String(req.query.token || '')
+        const clientToken = getLocalCredsToken(req)
         if (clientToken !== serverToken) return res.json({ ok: true, creds: null })
       }
       const u = creds.RL_USERNAME || ''
diff --git a/src/server/weekly.js b/src/server/weekly.js
index d6499e7..55cf5b6 100644
--- a/src/server/weekly.js
+++ b/src/server/weekly.js
@@ -29,6 +29,15 @@ const sealPath = path.join(dataDir, 'weekly.enc')
 initDB(dbPath, sealPath)
 core.ensureDefaultUser()
 
+const getLocalCredsToken = (req) => {
+  const headerToken = String((req.headers && req.headers['x-local-creds-token']) || '').trim()
+  if (headerToken) return headerToken
+  if (req.method !== 'GET' && req.body && typeof req.body === 'object') {
+    return String(req.body.token || '').trim()
+  }
+  return ''
+}
+
 // 3. Helper Middleware
 const upload = multer({ limits: { fileSize: 50 * 1024 * 1024 } })
 
@@ -145,7 +154,7 @@ const bindRoutes = (app) => {
       })
       const serverToken = String(creds.TOOLBOX_LOCAL_CREDS_TOKEN || '')
       if (serverToken) {
-        const clientToken = String(req.query.token || '')
+        const clientToken = getLocalCredsToken(req)
         if (clientToken !== serverToken) return res.json({ ok: true, creds: null })
       }
       const username = creds.WEEKLY_USERNAME || ''