diff --git a/resources/views/maintenances.blade.php b/resources/views/maintenances.blade.php
index 96540cc..2856712 100644
--- a/resources/views/maintenances.blade.php
+++ b/resources/views/maintenances.blade.php
@@ -4,42 +4,48 @@
 
 @section('content')
     <h3>维护计划</h3>
+    @if (count($maintenances) > 0)
+        <div class="overflow-auto">
+            <table class="table table-hover">
+                <thead>
+                <th>名称</th>
+                <th>内容</th>
+                <th>模块</th>
+                <th>开始于</th>
+                <th>结束于</th>
+                </thead>
 
-    <div class="overflow-auto">
-        <table class="table table-hover">
-            <thead>
-            <th>名称</th>
-            <th>内容</th>
-            <th>模块</th>
-            <th>开始于</th>
-            <th>结束于</th>
-            </thead>
+                <tbody>
+                @foreach ($maintenances as $m)
+                    <tr>
+                        <td>
+                            {{ $m->name }}
+                        </td>
 
-            <tbody>
-            @foreach ($maintenances as $m)
-                <tr>
-                    <td>
-                        {{ $m->name }}
-                    </td>
+                        <td>
+                            <textarea class="form-control border-0" cols="3" readonly
+                                      aria-label="维护内容">{{ $m->content }}</textarea>
+                        </td>
 
-                    <td>
-                        <textarea class="form-control border-0" cols="3" readonly aria-label="维护内容">{{ $m->content }}</textarea>
-                    </td>
+                        <td>
+                            {{ $m->module?->name }}
+                        </td>
 
-                    <td>
-                        {{ $m->module?->name }}
-                    </td>
+                        <td>
+                            {{ $m->start_at }}
+                        </td>
 
-                    <td>
-                        {{ $m->start_at }}
-                    </td>
-
-                    <td>
-                        {{ $m->end_at }}
-                    </td>
-                </tr>
-            @endforeach
-            </tbody>
-        </table>
-    </div>
+                        <td>
+                            {{ $m->end_at }}
+                        </td>
+                    </tr>
+                @endforeach
+                </tbody>
+            </table>
+        </div>
+    @else
+        <p>
+            暂无维护计划。
+        </p>
+    @endif
 @endsection