diff --git a/plugins/sentinel/__init__.py b/plugins/sentinel/__init__.py
index 0029418..9f8a0c6 100644
--- a/plugins/sentinel/__init__.py
+++ b/plugins/sentinel/__init__.py
@@ -47,15 +47,11 @@ class Plugin(PluginWebMixin):
         except Exception as e:
             logger.warning(f"Sentinel network skip: {e}")
 
-        # 注册 WebUI 页面
-        for fid, title, fname in [
-            ("sentinel_dash", "🛡️ Sentinel", "dashboard.html"),
-            ("sentinel_cfg", "🛡️ 节点管理", "settings.html"),
-        ]:
-            p = os.path.join(os.path.dirname(__file__), fname)
-            if os.path.exists(p):
-                with open(p) as f:
-                    self.register_web_page(fid, title, f.read(), icon="S" if "dash" in fid else "⚙")
+        # 注册 WebUI 页面 (key 必须匹配 plugin_name 才能在侧边栏访问)
+        dash_path = os.path.join(os.path.dirname(__file__), "dashboard.html")
+        if os.path.exists(dash_path):
+            with open(dash_path) as f:
+                self.register_web_page("sentinel", "🛡️ Sentinel", f.read(), icon="S")
 
         # 注册 API 路由
         if self.network_bridge:
diff --git a/plugins/sentinel/dashboard.html b/plugins/sentinel/dashboard.html
index 58a03a4..02a7a21 100644
--- a/plugins/sentinel/dashboard.html
+++ b/plugins/sentinel/dashboard.html
@@ -1,10 +1,43 @@
 <div class="plugin-page-root" style="padding:16px">
-  <div style="display:flex;justify-content:space-between;align-items:center;margin-bottom:16px">
+  <div style="display:flex;justify-content:space-between;align-items:center;margin-bottom:12px">
     <h2 style="margin:0">🛡️ Sentinel 集群监控</h2>
-    <span id="sentinel-status" style="font-size:.8rem;color:var(--text-dim)">连接中...</span>
+    <div style="display:flex;gap:4px">
+      <button class="btn btn-sm btn-filled" id="tab-mon" onclick="switchTab('mon')">仪表盘</button>
+      <button class="btn btn-sm btn-outlined" id="tab-cfg" onclick="switchTab('cfg')">节点管理</button>
+    </div>
   </div>
-  <div id="sentinel-grid" style="display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:12px">
-    <div class="card" style="text-align:center;padding:24px;color:var(--text-dim)">加载中...</div>
+
+  <!-- ── 仪表盘 ── -->
+  <div id="view-mon">
+    <div id="sentinel-grid" style="display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:12px">
+      <div class="card" style="text-align:center;padding:24px;color:var(--text-dim)">加载中...</div>
+    </div>
+  </div>
+
+  <!-- ── 节点管理 ── -->
+  <div id="view-cfg" style="display:none">
+    <div style="margin-bottom:12px">
+      <button class="btn btn-filled" onclick="showAdd()">+ 添加节点</button>
+    </div>
+    <div id="node-list"></div>
+  </div>
+
+  <!-- ── 编辑对话框 ── -->
+  <div id="edit-dialog" style="display:none;position:fixed;top:0;left:0;right:0;bottom:0;background:rgba(0,0,0,.5);z-index:1000;align-items:center;justify-content:center">
+    <div class="card" style="min-width:440px;max-width:520px;max-height:90vh;overflow-y:auto">
+      <h3 id="edit-title" style="margin:0 0 16px 0">添加节点</h3>
+      <input type="hidden" id="edit-id">
+      <div class="form-row"><label>名称 *</label><input id="edit-name" placeholder="例如: OnePlus 15"></div>
+      <div class="form-row"><label>URL *</label><input id="edit-url" placeholder="http://192.168.1.100:4200"></div>
+      <div class="form-row"><label>API Key</label><input id="edit-key" placeholder="sk-..."></div>
+      <div class="form-row"><label>备注</label><textarea id="edit-notes" rows="2" placeholder="设备位置、用途等..."></textarea></div>
+      <div style="display:flex;gap:8px;justify-content:flex-end;margin-top:16px">
+        <button class="btn btn-outlined" onclick="testConn()">测试连接</button>
+        <button class="btn btn-outlined" onclick="hideEdit()">取消</button>
+        <button class="btn btn-filled" onclick="saveNode()">保存</button>
+      </div>
+      <div id="test-result" style="margin-top:8px;font-size:.85rem"></div>
+    </div>
   </div>
 
   <style>
@@ -21,23 +54,36 @@
     .metric-bar { height:4px; border-radius:2px; margin-top:2px; background:var(--md-sys-color-surface-container-lowest) }
     .metric-bar-fill { height:100%; border-radius:2px; transition:width .5s }
     .bar-green { background:#4caf50 } .bar-yellow { background:#ff9800 } .bar-red { background:#f44336 }
+    .form-row { margin-bottom:10px }
+    .form-row label { display:block;font-size:.8rem;margin-bottom:3px;color:var(--text-dim) }
+    .form-row input, .form-row textarea { width:100%;padding:8px;background:var(--bg);color:var(--text);border:1px solid var(--border);border-radius:var(--shape-xs);font-size:.9rem }
+    .form-row input:focus, .form-row textarea:focus { outline:1px solid var(--primary) }
+    .node-item { display:flex;align-items:center;padding:10px 12px;margin-bottom:6px;background:var(--md-sys-color-surface-container);border-radius:var(--shape-sm);gap:12px }
+    .node-item .info { flex:1;min-width:0 }
+    .node-item .name { font-weight:600 }
+    .node-item .url { font-size:.75rem;color:var(--text-dim);word-break:break-all }
+    .node-item .notes { font-size:.75rem;color:var(--text-dim);font-style:italic }
   </style>
 
   <script>
     var sseConn = null;
-    var currentNodes = [];
+    var editingId = null;
 
+    function switchTab(t) {
+      document.getElementById("view-mon").style.display = t === "mon" ? "block" : "none";
+      document.getElementById("view-cfg").style.display = t === "cfg" ? "block" : "none";
+      document.getElementById("tab-mon").className = "btn btn-sm " + (t === "mon" ? "btn-filled" : "btn-outlined");
+      document.getElementById("tab-cfg").className = "btn btn-sm " + (t === "cfg" ? "btn-filled" : "btn-outlined");
+      if (t === "cfg") loadNodes();
+    }
+
+    // ═══ 仪表盘 ═══
     function renderNodes(nodes) {
-      currentNodes = nodes || [];
       var grid = document.getElementById("sentinel-grid");
-      document.getElementById("sentinel-status").textContent =
-        "在线 " + nodes.filter(function(n){return n.online}).length + "/" + nodes.length;
-
       if (!nodes.length) {
-        grid.innerHTML = '<div class="card" style="text-align:center;padding:24px;color:var(--text-dim)">暂无节点 — 在节点管理中添加</div>';
+        grid.innerHTML = '<div class="card" style="text-align:center;padding:24px;color:var(--text-dim)">暂无节点 — 切换到节点管理添加</div>';
         return;
       }
-
       grid.innerHTML = nodes.map(function(n){
         var sys = n.system || {};
         var cpu = sys.cpu || {};
@@ -46,7 +92,6 @@
         var cls = n.online ? 'online' : 'offline';
         var cpuBar = bar(cpu.percent||0);
         var memBar = bar(mem.percent||0);
-
         return '<div class="node-card '+cls+'">'+
           '<div class="node-name">'+(n.online?'🟢':'🔴')+' '+esc(n.name)+'</div>'+
           '<div class="node-url">'+esc(n.url)+'</div>'+
@@ -69,9 +114,8 @@
 
     function bar(v) { return v < 60 ? 'bar-green' : (v < 85 ? 'bar-yellow' : 'bar-red'); }
     function fmtSpeed(bps) { return bps<1024?bps.toFixed(0)+'B/s':(bps<1048576?(bps/1024).toFixed(0)+'K/s':(bps/1048576).toFixed(1)+'M/s'); }
-    function esc(s) { return String(s).replace(/&/g,'&amp;').replace(/</g,'&lt;').replace(/>/g,'&gt;'); }
+    function esc(s) { return String(s).replace(/&/g,'&amp;').replace(/</g,'&lt;').replace(/>/g,'&gt;').replace(/"/g,'&quot;'); }
 
-    // ── SSE ──
     function connectSSE() {
       if (sseConn) { sseConn.close(); sseConn = null; }
       sseConn = new EventSource("/SenSu/plugin/sentinel/sse");
@@ -82,10 +126,89 @@
       sseConn.onerror = function(){ setTimeout(connectSSE, 5000); };
     }
 
-    // ── 初始加载 ──
     fetch("/sentinel/api/nodes").then(function(r){return r.json()}).then(function(d){
       if (d.nodes) renderNodes(d.nodes);
     }).catch(function(){});
     connectSSE();
+
+    // ═══ 节点管理 ═══
+    function showAdd(){
+      editingId = null;
+      document.getElementById("edit-title").textContent = "添加节点";
+      document.getElementById("edit-id").value = "";
+      document.getElementById("edit-name").value = "";
+      document.getElementById("edit-url").value = "http://";
+      document.getElementById("edit-key").value = "";
+      document.getElementById("edit-notes").value = "";
+      document.getElementById("test-result").innerHTML = "";
+      document.getElementById("edit-dialog").style.display = "flex";
+    }
+
+    function showEdit(n){
+      editingId = n.id;
+      document.getElementById("edit-title").textContent = "编辑: " + esc(n.name);
+      document.getElementById("edit-id").value = n.id||"";
+      document.getElementById("edit-name").value = n.name||"";
+      document.getElementById("edit-url").value = n.url||"";
+      document.getElementById("edit-key").value = n.api_key||"";
+      document.getElementById("edit-notes").value = n.notes||"";
+      document.getElementById("test-result").innerHTML = "";
+      document.getElementById("edit-dialog").style.display = "flex";
+    }
+
+    function hideEdit(){ document.getElementById("edit-dialog").style.display = "none"; }
+
+    async function saveNode(){
+      var data = {
+        id: document.getElementById("edit-id").value,
+        name: document.getElementById("edit-name").value.trim(),
+        url: document.getElementById("edit-url").value.trim(),
+        api_key: document.getElementById("edit-key").value.trim(),
+        notes: document.getElementById("edit-notes").value.trim()
+      };
+      if(!data.name||!data.url){ alert("名称和 URL 不能为空"); return; }
+      var resp = await fetch("/sentinel/api/nodes",{method:"POST",headers:{"Content-Type":"application/json"},body:JSON.stringify(data)});
+      var r = await resp.json();
+      if(r.ok){ hideEdit(); loadNodes(); }
+      else alert("保存失败: "+(r.error||""));
+    }
+
+    async function deleteNode(id,name){
+      if(!confirm("确认删除节点 '"+name+"'?")) return;
+      await fetch("/sentinel/api/nodes/delete",{method:"POST",headers:{"Content-Type":"application/json"},body:JSON.stringify({id:id})});
+      loadNodes();
+    }
+
+    async function testConn(){
+      var url = document.getElementById("edit-url").value.trim();
+      var key = document.getElementById("edit-key").value.trim();
+      var el = document.getElementById("test-result");
+      el.innerHTML = '<span style="color:var(--text-dim)">⏳ 测试中...</span>';
+      try {
+        var resp = await fetch("/sentinel/api/nodes/test",{method:"POST",headers:{"Content-Type":"application/json"},body:JSON.stringify({url:url,api_key:key})});
+        var r = await resp.json();
+        if(r.ok) el.innerHTML = '<span style="color:var(--success)">✅ 连接成功 — CPU:'+(r.system.cpu.percent||0)+'% MEM:'+(r.system.memory.percent||0)+'%</span>';
+        else el.innerHTML = '<span style="color:var(--error)">❌ '+esc(r.error||'失败')+'</span>';
+      }catch(e){ el.innerHTML = '<span style="color:var(--error)">❌ '+esc(String(e))+'</span>'; }
+    }
+
+    async function loadNodes(){
+      var resp = await fetch("/sentinel/api/nodes");
+      var data = await resp.json();
+      var nodes = data.nodes||[];
+      var list = document.getElementById("node-list");
+      if(!nodes.length){ list.innerHTML = '<div style="text-align:center;padding:24px;color:var(--text-dim)">暂无节点 — 点击上方添加</div>'; return; }
+      list.innerHTML = nodes.map(function(n){
+        var status = n.online ? '<span style="color:var(--success)">🟢</span>' : '<span style="color:var(--error)">🔴</span>';
+        return '<div class="node-item">'+
+          '<div>'+status+'</div>'+
+          '<div class="info"><div class="name">'+esc(n.name)+'</div><div class="url">'+esc(n.url)+'</div>'+
+          (n.notes?'<div class="notes">📝 '+esc(n.notes)+'</div>':'')+
+          '</div>'+
+          '<button class="btn btn-sm btn-outlined" onclick=\'showEdit('+JSON.stringify(n)+')\'>✏</button>'+
+          '<button class="btn btn-sm btn-outlined" style="color:var(--error)" onclick="deleteNode(\''+esc(n.id)+'\',\''+esc(n.name)+'\')">✕</button>'+
+          '</div>';
+      }).join("");
+    }
   </script>
 </div>