diff --git a/static/web_panel/css/style.css b/static/web_panel/css/style.css
index 1c2757d..490e895 100644
--- a/static/web_panel/css/style.css
+++ b/static/web_panel/css/style.css
@@ -453,8 +453,11 @@ h3{font-size:1rem;font-weight:500;letter-spacing:.15px}
 .fm-crumb-sep{color:var(--outline);font-size:.7rem;flex-shrink:0}
 .fm-resolved-crumbs{display:flex;align-items:center;gap:4px;font-size:.75rem;opacity:.8;flex-basis:100%}
 .fm-actions{display:flex;gap:6px;flex-shrink:0;align-items:center}
-.fm-toggle{display:flex;align-items:center;gap:4px;font-size:.75rem;color:var(--text-dim);cursor:pointer}
-.fm-toggle input{margin:0}
+.fm-toggle{display:flex;align-items:center;gap:8px;font-size:.8rem;font-weight:500;color:var(--text-dim);cursor:pointer;user-select:none}
+.fm-toggle input[type="checkbox"]{-webkit-appearance:none;appearance:none;width:36px;height:20px;background:var(--md-sys-color-surface-container-highest);border:2px solid var(--outline);border-radius:10px;cursor:pointer;position:relative;transition:.2s;margin:0;flex-shrink:0}
+.fm-toggle input[type="checkbox"]::after{content:"";position:absolute;top:2px;left:2px;width:12px;height:12px;background:var(--outline);border-radius:50%;transition:.2s}
+.fm-toggle input[type="checkbox"]:checked{background:var(--primary);border-color:var(--primary)}
+.fm-toggle input[type="checkbox"]:checked::after{left:18px;background:var(--on-primary)}
 .fm-list{flex:1;overflow-y:auto;scrollbar-width:thin;scrollbar-color:var(--outline) transparent}
 .fm-row{display:grid;grid-template-columns:32px 1fr 100px 140px;align-items:center;padding:10px 12px;cursor:pointer;border-radius:var(--shape-xs);transition:background .12s;gap:8px;font-size:.88rem}
 .fm-row:hover{background:rgba(208,188,255,.06)}
diff --git a/static/web_panel/home.html b/static/web_panel/home.html
index 9b89b90..505e2f0 100644
--- a/static/web_panel/home.html
+++ b/static/web_panel/home.html
@@ -72,6 +72,6 @@
     <script src="./static/js/chart.js?v=0603"></script>
     
     <!-- 🟢 2. 再加载主逻辑 -->
-    <script src="./static/js/app.js?v=0701"></script>
+    <script src="./static/js/app.js?v=0702"></script>
 </body>
 </html>
diff --git a/static/web_panel/js/app.js b/static/web_panel/js/app.js
index 4af5209..b21b71a 100644
--- a/static/web_panel/js/app.js
+++ b/static/web_panel/js/app.js
@@ -172,20 +172,47 @@ async function loadPluginPage(pluginName) {
 }
 
 
-// ═══ Global file/dir picker (reusable by any page) ═══
-// Usage: pickPath('dir', function(path) { document.getElementById('my-input').value = path; })
+// ═══ Global file/dir picker (in-page iframe modal) ═══
 window.pickPath = function(mode, callback) {
   var id = 'picker_' + Date.now();
-  window['_pickCallback_' + id] = callback;
   var url = './static/pages/files.html?picker=1&mode=' + (mode || 'dir') + '&cb=' + id;
-  var w = window.open(url, 'fm-picker', 'width=680,height=520');
-  if (!w) { alert('请允许弹窗以使用文件选择器'); return; }
-  // Listen for pick result
+
+  // Create modal overlay
+  var overlay = document.createElement('div');
+  overlay.id = 'fm-picker-overlay';
+  overlay.style.cssText = 'position:fixed;inset:0;z-index:500;background:rgba(0,0,0,.5);display:flex;align-items:center;justify-content:center';
+  overlay.onclick = function(e) { if (e.target === overlay) closePicker(); };
+
+  var box = document.createElement('div');
+  box.style.cssText = 'background:var(--md-sys-color-surface-container-high);border-radius:var(--shape-lg);width:720px;height:520px;max-width:95vw;max-height:85vh;display:flex;flex-direction:column;overflow:hidden;box-shadow:var(--md-sys-elevation-5)';
+
+  // Header
+  var header = document.createElement('div');
+  header.style.cssText = 'display:flex;justify-content:space-between;align-items:center;padding:12px 16px;border-bottom:1px solid var(--outline);flex-shrink:0';
+  header.innerHTML = '<span style="font-weight:500;color:var(--primary)">📂 选择' + (mode==='file'?'文件':'目录') + '</span>' +
+    '<button class="btn btn-sm btn-outlined" onclick="closePicker()" style="font-size:16px;line-height:1">✕</button>';
+  box.appendChild(header);
+
+  // Iframe
+  var iframe = document.createElement('iframe');
+  iframe.src = url;
+  iframe.style.cssText = 'flex:1;border:none;width:100%';
+  box.appendChild(iframe);
+  overlay.appendChild(box);
+  document.body.appendChild(overlay);
+
+  function closePicker() {
+    window.removeEventListener('message', handler);
+    if (overlay.parentNode) overlay.parentNode.removeChild(overlay);
+  }
+  window._closePicker = closePicker;
+
+  // Listen for pick result from iframe
   window.addEventListener('message', function handler(e) {
     try {
       var d = JSON.parse(e.data);
       if (d.action === 'fm-picked' && d.callback_id === id) {
-        window.removeEventListener('message', handler);
+        closePicker();
         if (d.path && callback) callback(d.path);
       }
     } catch(ex) {}
diff --git a/static/web_panel/pages/files.html b/static/web_panel/pages/files.html
index 7860fd2..e5f821e 100644
--- a/static/web_panel/pages/files.html
+++ b/static/web_panel/pages/files.html
@@ -1,4 +1,6 @@
 <!-- File Manager Page -->
+<meta charset="UTF-8">
+<link rel="stylesheet" href="../css/style.css?v=0601">
 <div class="fm-container">
     <!-- Top bar: editable path + actions -->
     <div class="fm-toolbar">
@@ -64,3 +66,29 @@
         <div class="fm-context-item danger" onclick="FilesModule.ctxDelete()">🗑 删除</div>
     </div>
 </div>
+
+<script>
+// Load files.js for standalone mode (iframe picker)
+(function(){
+    // Reset body/container for iframe — no topbar, no sidebar
+    if(window.parent !== window){
+        var s=document.createElement('style');
+        s.textContent='html,body{height:100%;margin:0;overflow:hidden}.fm-container{height:100%;gap:8px}.fm-list{padding-bottom:0}';
+        document.head.appendChild(s);
+    }
+    var cssHref = document.querySelector('link[href*=\"style.css\"]')?.href || '';
+    // e.g. http://host:4200/SenSu/static/css/style.css → staticBase = .../SenSu/static
+    var staticBase = cssHref.replace(/\/css\/style\.css.*$/, '');
+    // apiBase = .../SenSu (strip /static)
+    var apiBase = cssHref.replace(/\/static\/css\/style\.css.*$/, '');
+    var script = document.createElement('script');
+    script.src = staticBase + '/pages/files.js?v=0602';
+    script.onload = function(){
+        if(window.FilesModule){
+            window.FilesModule._apiBase = apiBase;
+            if(window.FilesModule.init) window.FilesModule.init();
+        }
+    };
+    document.head.appendChild(script);
+})();
+</script>
diff --git a/static/web_panel/pages/files.js b/static/web_panel/pages/files.js
index c07544c..65fc9b9 100644
--- a/static/web_panel/pages/files.js
+++ b/static/web_panel/pages/files.js
@@ -39,6 +39,12 @@ window.FilesModule = {
     },
 
     /* ── API helpers ── */
+    _apiBase: '',
+    _apiUrl: function(path) {
+        // Use explicit base if set (standalone/iframe mode), otherwise relative
+        if (this._apiBase) return this._apiBase + '/api/files' + path;
+        return './api/files' + path;
+    },
     _api: function(url, opts) {
         opts = opts || {};
         opts.credentials = 'include';
@@ -47,16 +53,16 @@ window.FilesModule = {
             return r.json();
         });
     },
-    _get: function(url) { return this._api(url); },
+    _get: function(url) { return this._api(this._apiUrl(url)); },
     _post: function(url, body) {
-        return this._api(url, {method:'POST', headers:{'Content-Type':'application/json'}, body: JSON.stringify(body)});
+        return this._api(this._apiUrl(url), {method:'POST', headers:{'Content-Type':'application/json'}, body: JSON.stringify(body)});
     },
 
     /* ── Jump to path (with existence check) ── */
     _jumpTo: function(path) {
         var self = this;
         // Probe: try to list the target path
-        this._get('./api/files/info?path=' + encodeURIComponent(path))
+        this._get('/info?path=' + encodeURIComponent(path))
             .then(function(info) {
                 if (info.error) { self._pathError(info.error); return; }
                 if (info.is_dir) {
@@ -87,7 +93,7 @@ window.FilesModule = {
     refresh: function() {
         var self = this;
         var showHidden = document.getElementById('fm-hidden')?.checked ? '1' : '0';
-        self._get('./api/files/list?path=' + encodeURIComponent(self.currentPath) + '&show_hidden=' + showHidden)
+        self._get('/list?path=' + encodeURIComponent(self.currentPath) + '&show_hidden=' + showHidden)
             .then(function(d) {
                 self._render(d);
             }).catch(function(e) {
@@ -187,37 +193,48 @@ window.FilesModule = {
             document.getElementById('fm-context').style.display = 'none';
         };
 
-        // Picker banner
+        // Picker banner — at bottom
         if (self.pickerMode) {
             var banner = document.getElementById('fm-picker-banner');
             if (!banner) {
                 banner = document.createElement('div');
                 banner.id = 'fm-picker-banner';
-                banner.innerHTML = '<div style="display:flex;align-items:center;gap:8px;padding:8px 16px;background:var(--primary-container);color:var(--md-sys-color-on-primary-container);border-radius:var(--shape-xs);margin-bottom:8px;font-size:.85rem">' +
+                banner.innerHTML = '<div style="display:flex;align-items:center;gap:8px;padding:6px 12px;background:var(--primary-container);color:var(--md-sys-color-on-primary-container);border-radius:var(--shape-xs);font-size:.82rem">' +
                     '<span>📂 选择' + (self.pickerMode === 'file' ? '文件' : '目录') + '模式</span>' +
                     '<button class="btn btn-sm btn-filled" onclick="FilesModule._pickResult(FilesModule.currentPath)" style="margin-left:auto">选择当前目录</button>' +
                     '<button class="btn btn-sm btn-outlined" onclick="FilesModule._cancelPicker()">取消</button>' +
                     '</div>';
-                list.parentNode.insertBefore(banner, list);
+                list.parentNode.appendChild(banner);
+                list.style.flex = '';
+                banner.style.marginTop = 'auto';
+                banner.style.paddingBottom = '0';
+            } else {
+                banner.style.display = 'block';
             }
+        } else {
+            var oldBanner = document.getElementById('fm-picker-banner');
+            if (oldBanner) oldBanner.style.display = 'none';
         }
     },
 
     /* ── Picker ── */
     _pickResult: function(path) {
-        if (window.opener) {
-            window.opener.postMessage(JSON.stringify({action:'fm-picked', path: path, callback_id: this.pickerCallback}), '*');
-            window.close();
-        } else if (window.parent !== window) {
+        // In iframe (picker mode): post to parent, parent closes overlay
+        if (window.parent !== window) {
             window.parent.postMessage(JSON.stringify({action:'fm-picked', path: path, callback_id: this.pickerCallback}), '*');
-        } else {
-            navigator.clipboard?.writeText(path);
-            alert('已选择: ' + path + '\n(路径已复制到剪贴板)');
-            this.pickerMode = false;
-            this.refresh();
+            return;
         }
+        // Standalone clipboard fallback
+        navigator.clipboard?.writeText(path);
+        alert('已选择: ' + path);
+        this.pickerMode = false;
+        this.refresh();
     },
     _cancelPicker: function() {
+        if (window.parent !== window) {
+            window.parent.postMessage(JSON.stringify({action:'fm-picked', path: null, callback_id: this.pickerCallback}), '*');
+            return;
+        }
         this.pickerMode = false;
         this.refresh();
     },
@@ -227,7 +244,7 @@ window.FilesModule = {
         var self = this;
         var name = prompt('新建文件名:');
         if (!name) return;
-        this._post('./api/files/touch', {path: this.currentPath, name: name})
+        this._post('/touch', {path: this.currentPath, name: name})
             .then(function() { self.refresh(); })
             .catch(function(e) { alert('创建失败: ' + e.message); });
     },
@@ -235,7 +252,7 @@ window.FilesModule = {
         var self = this;
         var name = prompt('新建文件夹名:');
         if (!name) return;
-        this._post('./api/files/mkdir', {path: this.currentPath, name: name})
+        this._post('/mkdir', {path: this.currentPath, name: name})
             .then(function() { self.refresh(); })
             .catch(function(e) { alert('创建失败: ' + e.message); });
     },
@@ -244,7 +261,7 @@ window.FilesModule = {
         if (!files || !files.length) return;
         var form = new FormData();
         for (var i = 0; i < files.length; i++) form.append('file', files[i]);
-        fetch('./api/files/upload?path=' + encodeURIComponent(self.currentPath), {method:'POST', credentials:'include', body:form})
+        fetch(self._apiUrl('/upload?path=') + encodeURIComponent(self.currentPath), {method:'POST', credentials:'include', body:form})
             .then(function(r) { return r.json(); })
             .then(function(d) {
                 if (d.ok) self.refresh();
@@ -255,7 +272,7 @@ window.FilesModule = {
     /* ── Editor ── */
     openEditor: function(path, name) {
         var self = this;
-        this._get('./api/files/read?path=' + encodeURIComponent(path))
+        this._get('/read?path=' + encodeURIComponent(path))
             .then(function(d) {
                 document.getElementById('fm-editor-title').textContent = '📝 ' + (name || d.name);
                 document.getElementById('fm-editor-textarea').value = d.content;
@@ -269,7 +286,7 @@ window.FilesModule = {
     saveFile: function() {
         var self = this;
         var ta = document.getElementById('fm-editor-textarea');
-        this._post('./api/files/write', {path: ta.dataset.path, content: ta.value})
+        this._post('/write', {path: ta.dataset.path, content: ta.value})
             .then(function() { self.closeEditor(); self.refresh(); })
             .catch(function(e) { alert('保存失败: ' + e.message); });
     },
@@ -286,7 +303,7 @@ window.FilesModule = {
     },
     ctxDownload: function() {
         var t = this.contextTarget;
-        if (t) window.open('./api/files/download?path=' + encodeURIComponent(t.path), '_blank');
+        if (t) window.open(FilesModule._apiUrl('/download?path=') + encodeURIComponent(t.path), '_blank');
         document.getElementById('fm-context').style.display = 'none';
     },
     ctxRename: function() {
@@ -295,7 +312,7 @@ window.FilesModule = {
         if (!t) return;
         var nn = prompt('新名称:', t.name);
         if (!nn || nn === t.name) return;
-        this._post('./api/files/rename', {path: t.path, new_name: nn})
+        this._post('/rename', {path: t.path, new_name: nn})
             .then(function() { self.refresh(); })
             .catch(function(e) { alert('重命名失败: ' + e.message); });
         document.getElementById('fm-context').style.display = 'none';
@@ -316,7 +333,7 @@ window.FilesModule = {
     confirmDelete: function() {
         var self = this;
         if (!this.toDelete) return;
-        this._post('./api/files/delete', {path: this.toDelete.path})
+        this._post('/delete', {path: this.toDelete.path})
             .then(function() { self.toDelete = null; self.closeDialog(); self.refresh(); })
             .catch(function(e) { alert('删除失败: ' + e.message); });
     },