diff --git a/app/Http/Controllers/Business/SystemizationTodos.php b/app/Http/Controllers/Business/SystemizationTodos.php
index 45a54d5b..607c60d7 100644
--- a/app/Http/Controllers/Business/SystemizationTodos.php
+++ b/app/Http/Controllers/Business/SystemizationTodos.php
@@ -19,6 +19,13 @@ use Throwable;
 class SystemizationTodos extends Controller
 {
     private const OVERDUE_FILTER = '__overdue__';
+    private const REMINDER_OPTIONS = [
+        'overdue' => '已逾期',
+        'today' => '今天到期',
+        'upcoming' => '剩余天数',
+        'pending' => '时间待定',
+        'none' => '无提醒',
+    ];
 
     public function page(): array
     {
@@ -36,6 +43,24 @@ class SystemizationTodos extends Controller
         } elseif ($filters['status'] === SystemizationTodo::STATUS_COMPLETED) {
             $query->where('status', $filters['status']);
         }
+        if ($filters['reminder'] !== '') {
+            if ($filters['reminder'] === 'overdue') {
+                $query->where('status', '<>', SystemizationTodo::STATUS_COMPLETED)
+                    ->whereNotNull('due_date')
+                    ->whereDate('due_date', '<', today());
+            } elseif ($filters['reminder'] === 'today') {
+                $query->where('status', '<>', SystemizationTodo::STATUS_COMPLETED)
+                    ->whereDate('due_date', today());
+            } elseif ($filters['reminder'] === 'upcoming') {
+                $query->where('status', '<>', SystemizationTodo::STATUS_COMPLETED)
+                    ->whereDate('due_date', '>', today());
+            } elseif ($filters['reminder'] === 'pending') {
+                $query->where('status', '<>', SystemizationTodo::STATUS_COMPLETED)
+                    ->whereNull('due_date');
+            } elseif ($filters['reminder'] === 'none') {
+                $query->where('status', SystemizationTodo::STATUS_COMPLETED);
+            }
+        }
         if ($filters['category'] !== '') {
             $query->where('category', $filters['category']);
         }
@@ -150,6 +175,12 @@ class SystemizationTodos extends Controller
             'todoAssignees' => $this->peopleOptions('assignee'),
             'todoStatuses' => SystemizationTodo::STATUSES,
             'todoStatusOptions' => $statusOptions,
+            'todoReminderOptions' => collect(self::REMINDER_OPTIONS)
+                ->map(static fn (string $label, string $value): array => [
+                    'value' => $value,
+                    'label' => $label,
+                ])
+                ->values(),
             'todoReturnFilters' => base64_encode(json_encode(
                 $filters,
                 JSON_UNESCAPED_UNICODE | JSON_UNESCAPED_SLASHES,
@@ -602,6 +633,7 @@ class SystemizationTodos extends Controller
     {
         return [
             'status' => $this->normalizeStatusValue(request('status')),
+            'reminder' => $this->normalizeReminderValue(request('reminder')),
             'category' => trim((string) request('category', '')),
             'owners' => $this->peopleFilter('owner'),
             'assignees' => $this->peopleFilter('assignee'),
@@ -624,6 +656,13 @@ class SystemizationTodos extends Controller
             : '';
     }
 
+    private function normalizeReminderValue(mixed $value): string
+    {
+        $reminder = trim((string) $value);
+
+        return array_key_exists($reminder, self::REMINDER_OPTIONS) ? $reminder : '';
+    }
+
     private function peopleFilter(string $key): array
     {
         return collect((array) request($key, []))
@@ -818,6 +857,7 @@ class SystemizationTodos extends Controller
 
         return array_filter([
             'status' => $this->normalizeStatusValue($filters['status'] ?? null),
+            'reminder' => $this->normalizeReminderValue($filters['reminder'] ?? null),
             'category' => $category,
             'owner' => $owners,
             'assignee' => $assignees,
diff --git a/resources/views/business/pages/systemization-todos.blade.php b/resources/views/business/pages/systemization-todos.blade.php
index 7b12efff..d2d4eb7d 100644
--- a/resources/views/business/pages/systemization-todos.blade.php
+++ b/resources/views/business/pages/systemization-todos.blade.php
@@ -264,6 +264,12 @@
                 <option value="{{ $category }}" @selected($todoFilters['category'] === $category)>{{ $category }}</option>
             @endforeach
         </select></label>
+        <label>提醒<select name="reminder">
+            <option value="">全部提醒</option>
+            @foreach ($todoReminderOptions as $reminderOption)
+                <option value="{{ $reminderOption['value'] }}" @selected($todoFilters['reminder'] === $reminderOption['value'])>{{ $reminderOption['label'] }}</option>
+            @endforeach
+        </select></label>
         @php
             $selectedOwners = $todoOwners->filter(
                 static fn (string $owner): bool => in_array($owner, $todoFilters['owners'], true)
@@ -595,7 +601,7 @@
         <div class="sys-todo-scrollrail__spacer" data-sys-todo-scrollrail-spacer></div>
     </div>
 
-    <dialog class="sys-todo-dialog" id="sysTodoDialog" aria-labelledby="sysTodoDialogTitle">
+    <dialog class="sys-todo-dialog" id="sysTodoDialog" aria-labelledby="sysTodoDialogTitle" data-sys-todo-default-start-date="{{ today()->toDateString() }}">
         <form method="POST" enctype="multipart/form-data" data-sys-todo-form>
             @csrf
             <input type="hidden" name="_method" value="POST" data-sys-todo-method>
@@ -783,6 +789,7 @@
             var dialog = document.getElementById('sysTodoDialog');
             var form = dialog.querySelector('[data-sys-todo-form]');
             var pageRoot = dialog.closest('.sys-todo-page');
+            var defaultStartDate = dialog.getAttribute('data-sys-todo-default-start-date') || '';
             if (window.CaiWuDatePicker) window.CaiWuDatePicker.setup(pageRoot || document);
             var methodInput = dialog.querySelector('[data-sys-todo-method]');
             var title = document.getElementById('sysTodoDialogTitle');
@@ -1382,7 +1389,7 @@
                     setCategoryValue('');
                     refreshSectionOptions('');
                     setOwnerValue('');
-                    applyDateControl(startDateControl, '', '');
+                    applyDateControl(startDateControl, defaultStartDate, '');
                     applyDateControl(dueDateControl, '', '');
                 }
                 if (!currentTodoId && !(payload && payload.status)) {
diff --git a/tests/Feature/Business/SystemizationTodosTest.php b/tests/Feature/Business/SystemizationTodosTest.php
index ce7afcf4..f692255b 100644
--- a/tests/Feature/Business/SystemizationTodosTest.php
+++ b/tests/Feature/Business/SystemizationTodosTest.php
@@ -34,8 +34,11 @@ class SystemizationTodosTest extends FeatureTestCase
             ->assertSeeText('开始时间')
             ->assertSeeText('完成时间')
             ->assertSeeText('待定')
+            ->assertSee('name="reminder"', false)
+            ->assertSeeText('全部提醒')
             ->assertSeeText('完成情况 / 备注')
             ->assertSeeText('提醒')
+            ->assertSee('data-sys-todo-default-start-date', false)
             ->assertSee('data-sys-todo-inline-add', false)
             ->assertSee('data-sys-todo-col-resizer', false)
             ->assertSee('data-sys-todo-reset-columns', false)
@@ -478,6 +481,7 @@ class SystemizationTodosTest extends FeatureTestCase
         $todo = $this->createTodo('收入', '平台收入核对', '筛选保持测试', '2026-10-30', 1);
         $returnFilters = base64_encode(json_encode([
             'status' => SystemizationTodo::STATUS_INCOMPLETE,
+            'reminder' => 'upcoming',
             'category' => '收入',
             'owners' => ['晨曦', '人参'],
             'assignees' => ['栎阳'],
@@ -501,6 +505,7 @@ class SystemizationTodosTest extends FeatureTestCase
         $location = (string) $response->headers->get('Location');
         parse_str((string) parse_url($location, PHP_URL_QUERY), $query);
         $this->assertSame(SystemizationTodo::STATUS_INCOMPLETE, $query['status'] ?? null);
+        $this->assertSame('upcoming', $query['reminder'] ?? null);
         $this->assertSame('收入', $query['category'] ?? null);
         $this->assertSame(['晨曦', '人参'], $query['owner'] ?? null);
         $this->assertSame(['栎阳'], $query['assignee'] ?? null);
@@ -526,11 +531,16 @@ class SystemizationTodosTest extends FeatureTestCase
             ]);
             $legacy = $this->createTodo('收入', '提醒测试', '历史进行中事项', '2026-11-01', 5);
             $legacy->update(['status' => '进行中']);
+            $pendingDate = $this->createTodo('收入', '提醒测试', '时间待定事项', '2026-10-30', 6);
+            $pendingDate->update(['due_date' => null, 'due_note' => '待定']);
 
-            $content = $this->get(route('business.pages.show', [
+            $pageResponse = $this->get(route('business.pages.show', [
                 'section' => 'other',
                 'page' => 'systemization-todos',
-            ]))->assertOk()->viewData('content');
+            ]))->assertOk()
+                ->assertSee('data-sys-todo-default-start-date="2026-10-26"', false)
+                ->assertSee("applyDateControl(startDateControl, defaultStartDate, '');", false);
+            $content = $pageResponse->viewData('content');
             $items = $content['items']->keyBy('title');
 
             $this->assertSame('逾期 6 天', $items['逾期事项']->reminder_label);
@@ -538,6 +548,7 @@ class SystemizationTodosTest extends FeatureTestCase
             $this->assertSame('今天到期', $items['今天到期事项']->reminder_label);
             $this->assertSame('剩余 4 天', $items['未来事项']->reminder_label);
             $this->assertSame('—', $items['已完成事项']->reminder_label);
+            $this->assertSame('时间待定', $items['时间待定事项']->reminder_label);
             $this->assertSame('', $items['已完成事项']->displayProgress());
             $this->assertSame(SystemizationTodo::STATUS_INCOMPLETE, $items['历史进行中事项']->status_label);
 
@@ -555,6 +566,23 @@ class SystemizationTodosTest extends FeatureTestCase
                 'status' => SystemizationTodo::STATUS_COMPLETED,
             ]))->assertOk()->viewData('content')['items']->pluck('title');
             $this->assertSame(['已完成事项'], $completedTitles->all());
+
+            foreach ([
+                'overdue' => ['逾期事项'],
+                'today' => ['今天到期事项'],
+                'upcoming' => ['未来事项', '历史进行中事项'],
+                'pending' => ['时间待定事项'],
+                'none' => ['已完成事项'],
+            ] as $reminder => $expectedTitles) {
+                $reminderContent = $this->get(route('business.pages.show', [
+                    'section' => 'other',
+                    'page' => 'systemization-todos',
+                    'reminder' => $reminder,
+                ]))->assertOk()->viewData('content');
+
+                $this->assertSame($reminder, $reminderContent['todoFilters']['reminder']);
+                $this->assertSame($expectedTitles, $reminderContent['items']->pluck('title')->all());
+            }
         } finally {
             Carbon::setTestNow();
         }