diff --git a/app/admin/controller/system/McpLog.php b/app/admin/controller/system/McpLog.php
new file mode 100644
index 0000000..e790255
--- /dev/null
+++ b/app/admin/controller/system/McpLog.php
@@ -0,0 +1,14 @@
+<?php
+
+namespace app\admin\controller\system;
+
+use app\admin\service\annotation\ControllerAnnotation;
+use base\admin\controller\system\McpLogBase;
+
+/**
+ * @ControllerAnnotation(title="MCP调用日志",module="系统")
+ * Class McpLog
+ */
+class McpLog extends McpLogBase
+{
+}
diff --git a/extend/base/admin/controller/system/McpLogBase.php b/extend/base/admin/controller/system/McpLogBase.php
new file mode 100644
index 0000000..6b01af7
--- /dev/null
+++ b/extend/base/admin/controller/system/McpLogBase.php
@@ -0,0 +1,86 @@
+<?php
+
+namespace base\admin\controller\system;
+
+use app\admin\model\SystemMcpKey;
+use app\admin\model\SystemMcpLog;
+use app\admin\service\annotation\ControllerAnnotation;
+use app\admin\service\annotation\NodeAnotation;
+use app\common\controller\AdminController;
+use think\App;
+
+/**
+ * MCP调用日志（只读列表）.
+ * 日志仅由系统写入，不提供 add/edit/read/modify；
+ * 保留 delete 供清理旧日志。
+ *
+ * @ControllerAnnotation(title="MCP调用日志")
+ */
+class McpLogBase extends AdminController
+{
+    protected $relationSearch = true;
+
+    protected $sort = [
+        'id' => 'desc',
+    ];
+
+    public function __construct(App $app)
+    {
+        parent::__construct($app);
+
+        $this->model = new SystemMcpLog();
+
+        // 密钥下拉（搜索用）；SystemMcpKey 软删自动排除
+        $this->assign('select_list_mcp_key', SystemMcpKey::select(), true);
+    }
+
+    /**
+     * @NodeAnotation(title="列表")
+     */
+    public function index()
+    {
+        if ($this->request->isAjax()) {
+            if (input('selectFields')) {
+                return $this->selectList();
+            }
+            list($page, $limit, $where) = $this->buildTableParames();
+            $count = $this->model
+                ->withJoin('mcpKey', 'LEFT')
+                ->where($where)
+                ->count();
+            $list = $this->model
+                ->withJoin('mcpKey', 'LEFT')
+                ->where($where)
+                ->page($page, $limit)
+                ->order($this->sort)
+                ->select();
+            $data = [
+                'code' => 0,
+                'msg' => '',
+                'count' => $count,
+                'data' => $list,
+            ];
+
+            return json($data);
+        }
+
+        return $this->fetch();
+    }
+
+    /**
+     * @NodeAnotation(title="删除")
+     */
+    public function delete($id)
+    {
+        $this->checkPostRequest();
+        $row = $this->model->whereIn('id', $id)->select();
+        $row->isEmpty() && $this->error('数据不存在');
+        try {
+            // 仅删除日志记录，不级联影响密钥表
+            $save = $row->delete();
+        } catch (\Exception $e) {
+            $this->error('删除失败:' . $e->getMessage());
+        }
+        $save ? $this->success('删除成功') : $this->error('删除失败');
+    }
+}
diff --git a/extend/base/admin/model/SystemMcpLogBase.php b/extend/base/admin/model/SystemMcpLogBase.php
index b31c13e..9b887c0 100644
--- a/extend/base/admin/model/SystemMcpLogBase.php
+++ b/extend/base/admin/model/SystemMcpLogBase.php
@@ -4,9 +4,30 @@ namespace base\admin\model;
 
 use app\common\model\TimeModel;
 
+/**
+ * @property int $id
+ * @property int $key_id 密钥ID
+ * @property string $node 节点
+ * @property string $arguments 参数摘要JSON
+ * @property int $is_success 是否成功 0:失败,1:成功
+ * @property int $cost_ms 耗时毫秒
+ * @property int $create_time 创建时间
+ * @property \app\admin\model\SystemMcpKey|null $mcpKey 密钥
+ */
 class SystemMcpLogBase extends TimeModel
 {
     protected $updateTime = false;
 
     protected $deleteTime = false;
+
+    /**
+     * 所属密钥.
+     * withJoin 为 LEFT JOIN 且不附加软删条件：
+     * 密钥不存在时关联字段为 null、软删密钥仍可 join 出（delete_time > 0），
+     * 前端据 mcp_key.title / mcp_key.delete_time 兜底显示"(已删除)#id"。
+     */
+    public function mcpKey()
+    {
+        return $this->belongsTo('app\admin\model\SystemMcpKey', 'key_id', 'id');
+    }
 }
diff --git a/extend/base/admin/view/system/mcp_log/_common.js b/extend/base/admin/view/system/mcp_log/_common.js
new file mode 100644
index 0000000..9ca0b6b
--- /dev/null
+++ b/extend/base/admin/view/system/mcp_log/_common.js
@@ -0,0 +1,11 @@
+var init = {
+    tableElem: '#currentTable',
+    tableRenderId: 'currentTableRenderId',
+    indexUrl: 'system.mcp_log/index',
+    addUrl: '',
+    editUrl: '',
+    readUrl: '',
+    deleteUrl: 'system.mcp_log/delete',
+    exportUrl: '',
+    modifyUrl: '',
+};
diff --git a/extend/base/admin/view/system/mcp_log/index.html b/extend/base/admin/view/system/mcp_log/index.html
new file mode 100644
index 0000000..911b1b8
--- /dev/null
+++ b/extend/base/admin/view/system/mcp_log/index.html
@@ -0,0 +1,9 @@
+<div class="layuimini-container">
+    <div class="layuimini-main">
+        <table id="currentTable" class="layui-table layui-hide"
+               data-auth-index="{:auth('system.mcp_log/index')}"
+               data-auth-delete="{:auth('system.mcp_log/delete')}"
+               lay-filter="currentTable">
+        </table>
+    </div>
+</div>
diff --git a/extend/base/admin/view/system/mcp_log/index.js b/extend/base/admin/view/system/mcp_log/index.js
new file mode 100644
index 0000000..1902f53
--- /dev/null
+++ b/extend/base/admin/view/system/mcp_log/index.js
@@ -0,0 +1,46 @@
+$(function(){
+    // 密钥名称：LEFT JOIN 关联，密钥不存在或已软删时兜底显示
+    var keyNameTemplet = function(d) {
+        if (d.mcp_key && d.mcp_key.title && (!d.mcp_key.delete_time || d.mcp_key.delete_time === 0)) {
+            return d.mcp_key.title;
+        }
+        return '<span style="color:#999">(已删除)#' + d.key_id + '</span>';
+    };
+
+    // 成功/失败徽章
+    var successTemplet = function(d) {
+        if (d.is_success == 1) {
+            return '<span style="display:inline-block;padding:2px 10px;border-radius:3px;color:#5FB878;background:#e8f8ef;font-size:12px;">成功</span>';
+        }
+        return '<span style="display:inline-block;padding:2px 10px;border-radius:3px;color:#FF5722;background:#ffe8e2;font-size:12px;">失败</span>';
+    };
+
+    // 参数摘要：截断 200 字符，title 悬浮全文
+    var argumentsTemplet = function(d) {
+        if (!d.arguments) return '<span style="color:#999">-</span>';
+        var text = String(d.arguments);
+        var safe = text.replace(/&/g,'&amp;').replace(/</g,'&lt;').replace(/>/g,'&gt;').replace(/"/g,'&quot;').replace(/'/g,'&#39;');
+        if (text.length > 200) {
+            return '<span title="' + safe + '" style="cursor:pointer;">' + safe.substring(0, 200) + '...</span>';
+        }
+        return safe;
+    };
+
+    ua.table.render({
+        init: init,
+        toolbar: ['refresh', 'delete'],
+        defaultToolbar: ['filter'],
+        cols: [[
+            {type: 'checkbox'},
+            {field: 'id', title: 'ID', width: 80, sort: true},
+            {field: 'key_id', title: '密钥', minWidth: 140, templet: keyNameTemplet, search: 'select', selectList: ua.getDataBrage('select_list_mcp_key'), selectValue: 'id', selectLabel: 'title'},
+            {field: 'node', title: '节点', minWidth: 180},
+            {field: 'is_success', title: '状态', width: 90, templet: successTemplet, search: 'select', selectList: {1: '成功', 0: '失败'}},
+            {field: 'cost_ms', title: '耗时(ms)', width: 100, search: false},
+            {field: 'arguments', title: '参数摘要', minWidth: 220, templet: argumentsTemplet, search: false},
+            {field: 'create_time', title: '调用时间', width: 170, templet: ua.table.date, search: 'range'},
+        ]],
+    });
+
+    ua.listen();
+})