diff --git a/app/Http/Controllers/Admin/MaintenanceController.php b/app/Http/Controllers/Admin/MaintenanceController.php
new file mode 100644
index 0000000..3598bd5
--- /dev/null
+++ b/app/Http/Controllers/Admin/MaintenanceController.php
@@ -0,0 +1,106 @@
+<?php
+
+namespace App\Http\Controllers\Admin;
+
+use App\Http\Controllers\Controller;
+use App\Models\Maintenance;
+use App\Models\Module;
+use Illuminate\Http\RedirectResponse;
+use Illuminate\Http\Request;
+use Illuminate\View\View;
+
+class MaintenanceController extends Controller
+{
+    /**
+     * Display a listing of the resource.
+     *
+     * @return View
+     */
+    public function index(): View
+    {
+        $maintenances = (new Maintenance)->all();
+
+        return view('admin.maintenances.index', compact('maintenances'));
+    }
+
+    /**
+     * Show the form for creating a new resource.
+     *
+     * @return View
+     */
+    public function create(): View
+    {
+        $modules = (new Module)->all();
+
+        return view('admin.maintenances.create', compact('modules'));
+    }
+
+    /**
+     * Store a newly created resource in storage.
+     *
+     * @param  \Illuminate\Http\Request  $request
+     * @return \Illuminate\Http\Response
+     */
+    public function store(Request $request): RedirectResponse
+    {
+        $request->validate([
+            'name' => 'required|string|max:255',
+            'content' => 'nullable|string',
+            'module_id' => 'nullable|string|max:255',
+            'start_at' => 'nullable|date',
+            'end_at' => 'nullable|date',
+        ]);
+
+        (new Maintenance())->create($request->all());
+
+        return redirect()->route('admin.maintenances.index')->with('success', '维护信息已创建');
+    }
+
+    /**
+     * Show the form for editing the specified resource.
+     *
+     * @param  Maintenance  $maintenance
+     * @return View
+     */
+    public function edit(Maintenance $maintenance): View
+    {
+        $modules = (new Module)->all();
+
+        return view('admin.maintenances.edit', compact('maintenance', 'modules'));
+    }
+
+    /**
+     * Update the specified resource in storage.
+     *
+     * @param  \Illuminate\Http\Request  $request
+     * @param  Maintenance  $maintenance
+     * @return \Illuminate\Http\Response
+     */
+    public function update(Request $request, Maintenance $maintenance): RedirectResponse
+    {
+        $request->validate([
+            'name' => 'nullable|string|max:255',
+            'content' => 'nullable|string',
+            'module_id' => 'nullable|string|max:255',
+            'start_at' => 'nullable|date',
+            'end_at' => 'nullable|date',
+        ]);
+
+        $maintenance->update($request->all());
+
+        return redirect()->route('admin.maintenances.index')->with('success', '维护信息已更新');
+    }
+
+    /**
+     * Remove the specified resource from storage.
+     *
+     * @param  Maintenance  $maintenance
+     * @return \Illuminate\Http\Response
+     */
+    public function destroy(Maintenance $maintenance): RedirectResponse
+    {
+        $maintenance->delete();
+
+        return redirect()->route('admin.maintenances.index')->with('success', '维护信息已删除');
+    }
+}
diff --git a/app/Models/Maintenance.php b/app/Models/Maintenance.php
new file mode 100644
index 0000000..64b1d46
--- /dev/null
+++ b/app/Models/Maintenance.php
@@ -0,0 +1,37 @@
+<?php
+
+namespace App\Models;
+
+use Illuminate\Database\Eloquent\Model;
+
+class Maintenance extends Model
+{
+    public $timestamps = false;
+
+    protected $fillable = [
+        'name',
+        'content',
+        'module_id',
+        'start_at',
+        'end_at',
+    ];
+
+    protected $casts = [
+        'start_at' => 'datetime',
+        'end_at' => 'datetime',
+    ];
+
+    protected $dates = [
+        'start_at',
+        'end_at',
+    ];
+
+    protected $with = [
+        'module',
+    ];
+
+    public function module()
+    {
+        return $this->belongsTo(Module::class);
+    }
+}
diff --git a/database/migrations/2023_02_17_142300_create_maintenances_table.php b/database/migrations/2023_02_17_142300_create_maintenances_table.php
new file mode 100644
index 0000000..f6c358e
--- /dev/null
+++ b/database/migrations/2023_02_17_142300_create_maintenances_table.php
@@ -0,0 +1,45 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+return new class extends Migration
+{
+    /**
+     * Run the migrations.
+     *
+     * @return void
+     */
+    public function up(): void
+    {
+        Schema::create('maintenances', function (Blueprint $table) {
+            $table->id();
+
+            // 维护名称
+            $table->string('name')->index();
+
+            // 内容
+            $table->text('content')->nullable();
+
+            // 模块 ID
+            $table->string('module_id')->index()->nullable();
+            $table->foreign('module_id')->references('id')->on('modules')->onDelete('set null');
+
+            // 开始于
+            $table->dateTime('start_at')->nullable();
+
+            $table->dateTime('end_at')->nullable();
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     *
+     * @return void
+     */
+    public function down(): void
+    {
+        Schema::dropIfExists('maintenances');
+    }
+};
diff --git a/resources/views/admin/maintenances/create.blade.php b/resources/views/admin/maintenances/create.blade.php
new file mode 100644
index 0000000..d20162c
--- /dev/null
+++ b/resources/views/admin/maintenances/create.blade.php
@@ -0,0 +1,46 @@
+@extends('layouts.admin')
+
+@section('title', '计划维护')
+
+@section('content')
+    <h3>计划维护</h3>
+    <a class="mt-3" href="{{ route('admin.maintenances.index') }}">返回计划列表</a>
+
+    <form method="POST" action="{{ route('admin.maintenances.store') }}">
+        @csrf
+
+        <div class="form-group mt-1">
+            <label for="name">维护名称</label>
+            <input type="text" class="form-control" id="name" name="name" placeholder="维护名称" required>
+        </div>
+
+        <div class="form-group mt-1">
+            <label for="content">维护内容</label>
+            <textarea class="form-control" id="content" name="content" placeholder="维护内容" required></textarea>
+        </div>
+
+        {{-- 模块 ID --}}
+        <div class="form-group mt-1">
+            <label for="module_id">模块</label>
+            <select class="form-control" id="module_id" name="module_id">
+                <option value="">无</option>
+                @foreach ($modules as $m)
+                    <option value="{{ $m->id }}">{{ $m->name }}</option>
+                @endforeach
+            </select>
+        </div>
+
+        <div class="form-group mt-1">
+            <label for="start_at">开始时间</label>
+            <input type="datetime-local" class="form-control" id="start_at" name="start_at" placeholder="开始时间">
+        </div>
+
+        <div class="form-group mt-1">
+            <label for="end_at">结束时间</label>
+            <input type="datetime-local" class="form-control" id="end_at" name="end_at" placeholder="结束时间">
+        </div>
+
+        <button type="submit" class="btn btn-primary mt-3">添加</button>
+    </form>
+
+@endsection
diff --git a/resources/views/admin/maintenances/edit.blade.php b/resources/views/admin/maintenances/edit.blade.php
new file mode 100644
index 0000000..aee9df6
--- /dev/null
+++ b/resources/views/admin/maintenances/edit.blade.php
@@ -0,0 +1,47 @@
+@extends('layouts.admin')
+
+@section('title', '编辑: ' . $maintenance->name)
+
+@section('content')
+    <h3>{{ $maintenance->name }}</h3>
+    <a class="mt-3" href="{{ route('admin.maintenances.index') }}">返回计划列表</a>
+
+    <form method="POST" action="{{ route('admin.maintenances.update', $maintenance) }}">
+        @csrf
+        @method('PATCH')
+
+        <div class="form-group mt-1">
+            <label for="name">维护名称</label>
+            <input type="text" class="form-control" id="name" name="name" placeholder="维护名称" value={{ $maintenance->name }} required>
+        </div>
+
+        <div class="form-group mt-1">
+            <label for="content">维护内容</label>
+            <textarea class="form-control" id="content" name="content" placeholder="维护内容" required>{{ $maintenance->content }}</textarea>
+        </div>
+
+        {{-- 模块 ID --}}
+        <div class="form-group mt-1">
+            <label for="module_id">模块</label>
+            <select class="form-control" id="module_id" name="module_id">
+                <option value="">无</option>
+                @foreach ($modules as $m)
+                    <option value="{{ $m->id }}" @if($maintenance->module_id === $m->id) selected @endif>{{ $m->name }}</option>
+                @endforeach
+            </select>
+        </div>
+
+        <div class="form-group mt-1">
+            <label for="start_at">开始时间</label>
+            <input type="datetime-local" class="form-control" id="start_at" name="start_at" value="{{ $maintenance->start_at }}" placeholder="开始时间">
+        </div>
+
+        <div class="form-group mt-1">
+            <label for="end_at">结束时间</label>
+            <input type="datetime-local" class="form-control" id="end_at" name="end_at" value="{{ $maintenance->end_at }}" placeholder="结束时间">
+        </div>
+
+        <button type="submit" class="btn btn-primary mt-3">更新</button>
+    </form>
+
+@endsection
diff --git a/resources/views/admin/maintenances/index.blade.php b/resources/views/admin/maintenances/index.blade.php
new file mode 100644
index 0000000..44fac23
--- /dev/null
+++ b/resources/views/admin/maintenances/index.blade.php
@@ -0,0 +1,56 @@
+@extends('layouts.admin')
+
+@section('title', '维护计划')
+
+@section('content')
+
+    <h3>维护计划</h3>
+    <a class="mt-3" href="{{ route('admin.maintenances.create') }}">添加计划</a>
+
+    <div class="overflow-auto">
+        <table class="table table-hover">
+            <thead>
+                <th>ID</th>
+                <th>名称</th>
+                <th>模块</th>
+                <th>开始于</th>
+                <th>结束于</th>
+                <th>操作</th>
+            </thead>
+
+            <tbody>
+                @foreach ($maintenances as $m)
+                    <tr>
+                        <td>
+                            <a href="{{ route('admin.maintenances.edit', $m) }}">
+                                {{ $m->id }}
+                            </a>
+                        </td>
+
+                        <td>
+                            <a href="{{ route('admin.maintenances.edit', $m) }}">
+                                {{ $m->name }}
+                            </a>
+                        </td>
+
+                        <td>
+                            {{ $m->module?->name }}
+                        </td>
+
+                        <td>
+                            {{ $m->start_at }}
+                        </td>
+
+                        <td>
+                            {{ $m->end_at }}
+                        </td>
+
+                        <td>
+                            <a href="{{ route('admin.maintenances.edit', $m) }}" class="btn btn-primary btn-sm">编辑</a>
+                        </td>
+                    </tr>
+                @endforeach
+            </tbody>
+        </table>
+    </div>
+@endsection
diff --git a/resources/views/layouts/admin.blade.php b/resources/views/layouts/admin.blade.php
index d7b0528..2664022 100644
--- a/resources/views/layouts/admin.blade.php
+++ b/resources/views/layouts/admin.blade.php
@@ -75,6 +75,9 @@
                                 <li>
                                     <a class="dropdown-item" href="{{ route('admin.notifications.create') }}">通知</a>
                                 </li>
+                                  <li>
+                                    <a class="dropdown-item" href="{{ route('admin.maintenances.index') }}">维护</a>
+                                </li>
                             </ul>
                         </li>
 
diff --git a/routes/admin.php b/routes/admin.php
index 1052ce3..4756c78 100644
--- a/routes/admin.php
+++ b/routes/admin.php
@@ -6,6 +6,7 @@
 use App\Http\Controllers\Admin\DeviceController;
 use App\Http\Controllers\Admin\HomeController;
 use App\Http\Controllers\Admin\HostController;
+use App\Http\Controllers\Admin\MaintenanceController;
 use App\Http\Controllers\Admin\ModuleController;
 use App\Http\Controllers\Admin\NodeController;
 use App\Http\Controllers\Admin\NotificationController;
@@ -39,6 +40,8 @@
 
 Route::resource('user-groups', UserGroupController::class);
 
+Route::resource('maintenances', MaintenanceController::class);
+
 Route::get('devices', [DeviceController::class, 'index'])->name('devices.index');
 Route::delete('devices', [DeviceController::class, 'destroy'])->name('devices.destroy');