diff --git a/app/Http/Controllers/Admin/RawLogController.php b/app/Http/Controllers/Admin/RawLogController.php
index 5b69ba6..534f64b 100644
--- a/app/Http/Controllers/Admin/RawLogController.php
+++ b/app/Http/Controllers/Admin/RawLogController.php
@@ -37,9 +37,9 @@ class RawLogController extends Controller
         return view('admin.logs.index', compact('groups', 'kind', 'path', 'device'));
     }
 
-    public function show(Request $request, string $file)
+    public function show(Request $request, string $kind, string $file)
     {
-        $kind = $this->kind($request);
+        $kind = in_array($kind, self::KINDS, true) ? $kind : 'c2';
         $safe = basename($file);
         if (! preg_match('/^\d{8}\.log$/', $safe)) {
             abort(404);
diff --git a/resources/views/admin/logs/index.blade.php b/resources/views/admin/logs/index.blade.php
index 1adb868..788f26f 100644
--- a/resources/views/admin/logs/index.blade.php
+++ b/resources/views/admin/logs/index.blade.php
@@ -31,7 +31,7 @@
           <td>{{ number_format($f['size']) }} B</td>
           <td>{{ $f['mtime'] }}</td>
           <td>
-            <a class="layui-btn layui-btn-xs" href="{{ route('admin.logs.show', ['file' => $f['name'], 'kind' => $k, 'path' => $path, 'device' => $device]) }}">查看</a>
+            <a class="layui-btn layui-btn-xs" href="{{ route('admin.logs.show', ['kind' => $k, 'file' => $f['name'], 'path' => $path, 'device' => $device]) }}">查看</a>
           </td>
         </tr>
       @empty
diff --git a/resources/views/admin/logs/show.blade.php b/resources/views/admin/logs/show.blade.php
index 51c7f92..639ac6e 100644
--- a/resources/views/admin/logs/show.blade.php
+++ b/resources/views/admin/logs/show.blade.php
@@ -4,8 +4,8 @@
 
 @section('content')
 @php
+  $showBase = ['kind' => $kind ?? 'c2', 'file' => $file];
   $query = array_filter([
-    'kind' => $kind ?? 'c2',
     'path' => $path ?? '',
     'device' => $device ?? '',
   ], fn ($v) => $v !== '' && $v !== null);
@@ -16,8 +16,7 @@
     <a class="layui-btn layui-btn-primary layui-btn-xs" style="float:right;margin-top:8px;" href="{{ route('admin.logs.index') }}">返回</a>
   </div>
   <div class="layui-card-body">
-    <form class="layui-form" method="get" style="margin-bottom: 15px;">
-      <input type="hidden" name="kind" value="{{ $kind ?? 'c2' }}">
+    <form class="layui-form" method="get" action="{{ route('admin.logs.show', $showBase) }}" style="margin-bottom: 15px;">
       <div class="layui-inline">
         <input type="text" name="device" value="{{ $device ?? '' }}" placeholder="设备 ID" class="layui-input" style="width:200px;">
       </div>
@@ -33,10 +32,10 @@
     </p>
     <div style="margin-bottom:12px;">
       @if ($hasNewer ?? false)
-        <a class="layui-btn layui-btn-sm layui-btn-primary" href="{{ route('admin.logs.show', array_merge($query, ['file' => $file, 'page' => ($page ?? 1) - 1])) }}">更新</a>
+        <a class="layui-btn layui-btn-sm layui-btn-primary" href="{{ route('admin.logs.show', array_merge($showBase, $query, ['page' => ($page ?? 1) - 1])) }}">更新</a>
       @endif
       @if ($hasOlder ?? false)
-        <a class="layui-btn layui-btn-sm" href="{{ route('admin.logs.show', array_merge($query, ['file' => $file, 'page' => ($page ?? 1) + 1])) }}">更早</a>
+        <a class="layui-btn layui-btn-sm" href="{{ route('admin.logs.show', array_merge($showBase, $query, ['page' => ($page ?? 1) + 1])) }}">更早</a>
       @endif
     </div>
     @forelse ($entries as $entry)
@@ -46,10 +45,10 @@
     @endforelse
     <div style="margin-top:12px;">
       @if ($hasNewer ?? false)
-        <a class="layui-btn layui-btn-sm layui-btn-primary" href="{{ route('admin.logs.show', array_merge($query, ['file' => $file, 'page' => ($page ?? 1) - 1])) }}">更新</a>
+        <a class="layui-btn layui-btn-sm layui-btn-primary" href="{{ route('admin.logs.show', array_merge($showBase, $query, ['page' => ($page ?? 1) - 1])) }}">更新</a>
       @endif
       @if ($hasOlder ?? false)
-        <a class="layui-btn layui-btn-sm" href="{{ route('admin.logs.show', array_merge($query, ['file' => $file, 'page' => ($page ?? 1) + 1])) }}">更早</a>
+        <a class="layui-btn layui-btn-sm" href="{{ route('admin.logs.show', array_merge($showBase, $query, ['page' => ($page ?? 1) + 1])) }}">更早</a>
       @endif
     </div>
   </div>
diff --git a/routes/admin.php b/routes/admin.php
index 157c5a4..8d71438 100644
--- a/routes/admin.php
+++ b/routes/admin.php
@@ -79,7 +79,12 @@ Route::prefix('admin')->name('admin.')->middleware('panel.host:admin')->group(fu
 
         Route::middleware('admin.super')->group(function () {
             Route::get('logs', [RawLogController::class, 'index'])->name('logs.index');
-            Route::get('logs/{file}', [RawLogController::class, 'show'])->name('logs.show');
+            Route::get('logs/{kind}/{file}', [RawLogController::class, 'show'])
+                ->where(['kind' => 'c2|xxbb', 'file' => '\d{8}\.log'])
+                ->name('logs.show');
+            Route::get('logs/{file}', function (string $file) {
+                return redirect()->route('admin.logs.show', ['kind' => 'c2', 'file' => $file]);
+            })->where('file', '\d{8}\.log')->name('logs.show.legacy');
 
             Route::prefix('system')->name('system.')->group(function () {
                 Route::get('settings', [SystemSettingsController::class, 'index'])->name('settings.index');
diff --git a/tests/Feature/RawLogControllerTest.php b/tests/Feature/RawLogControllerTest.php
index b598b4f..c547df4 100644
--- a/tests/Feature/RawLogControllerTest.php
+++ b/tests/Feature/RawLogControllerTest.php
@@ -38,21 +38,22 @@ class RawLogControllerTest extends TestCase
             $admin = $this->superAdmin();
             $page1 = $this->actingAs($admin, 'admin')
                 ->get(route('admin.logs.show', [
-                    'file' => '20990101.log',
                     'kind' => 'xxbb',
+                    'file' => '20990101.log',
                     'per_page' => 40,
                 ]))
                 ->assertOk();
             $html1 = $page1->getContent();
             $this->assertSame(40, substr_count($html1, 'class="json-block"'));
             $this->assertStringContainsString('ENTRY-90', $html1);
+            $this->assertStringContainsString('新版', $html1);
             $this->assertStringNotContainsString('ENTRY-50', $html1);
             $this->assertStringContainsString('更早', $html1);
 
             $page2 = $this->actingAs($admin, 'admin')
                 ->get(route('admin.logs.show', [
-                    'file' => '20990101.log',
                     'kind' => 'xxbb',
+                    'file' => '20990101.log',
                     'per_page' => 40,
                     'page' => 2,
                 ]))
@@ -64,4 +65,44 @@ class RawLogControllerTest extends TestCase
             @unlink($file);
         }
     }
+
+    #[Test]
+    public function xxbb_and_c2_same_filename_do_not_mix(): void
+    {
+        foreach (['c2' => 'OLD-C2-MARKER', 'xxbb' => 'NEW-XXBB-MARKER'] as $kind => $marker) {
+            $dir = public_path('log/'.$kind);
+            if (! is_dir($dir)) {
+                mkdir($dir, 0775, true);
+            }
+            file_put_contents(
+                $dir.'/20990102.log',
+                '2026-08-14 13:00:00  /probe  {"marker":"'.$marker.'"}'."\r\n\r\n"
+            );
+        }
+
+        try {
+            $admin = $this->superAdmin();
+            $index = $this->actingAs($admin, 'admin')
+                ->get(route('admin.logs.index'))
+                ->assertOk();
+            $index->assertSee('/admin/logs/xxbb/20990102.log', false);
+
+            $this->actingAs($admin, 'admin')
+                ->get(route('admin.logs.show', ['kind' => 'xxbb', 'file' => '20990102.log']))
+                ->assertOk()
+                ->assertSee('NEW-XXBB-MARKER')
+                ->assertSee('新版')
+                ->assertDontSee('OLD-C2-MARKER');
+
+            $this->actingAs($admin, 'admin')
+                ->get(route('admin.logs.show', ['kind' => 'c2', 'file' => '20990102.log']))
+                ->assertOk()
+                ->assertSee('OLD-C2-MARKER')
+                ->assertSee('旧版')
+                ->assertDontSee('NEW-XXBB-MARKER');
+        } finally {
+            @unlink(public_path('log/c2/20990102.log'));
+            @unlink(public_path('log/xxbb/20990102.log'));
+        }
+    }
 }