diff --git a/views/admin/_announcements_form.php b/views/admin/_announcements_form.php
new file mode 100644
index 0000000..4e8e260
--- /dev/null
+++ b/views/admin/_announcements_form.php
@@ -0,0 +1,25 @@
+<?php
+
+use yii\helpers\Html;
+use yii\widgets\ActiveForm;
+
+/** @var yii\web\View $this */
+/** @var app\models\Announcements $model */
+/** @var yii\widgets\ActiveForm $form */
+?>
+
+<div class="announcements-form">
+
+    <?php $form = ActiveForm::begin(); ?>
+
+    <?= $form->field($model, 'title')->textInput(['maxlength' => true]) ?>
+
+    <?= $form->field($model, 'content')->textarea(['rows' => 6]) ?>
+
+    <div class="form-group">
+        <?= Html::submitButton('发布', ['class' => 'btn btn-success']) ?>
+    </div>
+
+    <?php ActiveForm::end(); ?>
+
+</div>
diff --git a/views/admin/_announcements_search.php b/views/admin/_announcements_search.php
new file mode 100644
index 0000000..1d39314
--- /dev/null
+++ b/views/admin/_announcements_search.php
@@ -0,0 +1,38 @@
+<?php
+
+use yii\helpers\Html;
+use yii\widgets\ActiveForm;
+
+/** @var yii\web\View $this */
+/** @var app\models\AnnouncementsSearch $model */
+/** @var yii\widgets\ActiveForm $form */
+?>
+
+<div class="announcements-search">
+
+    <?php $form = ActiveForm::begin([
+        'action' => ['index'],
+        'method' => 'get',
+        'options' => [
+            'data-pjax' => 1
+        ],
+    ]); ?>
+
+    <?= $form->field($model, 'id') ?>
+
+    <?= $form->field($model, 'title') ?>
+
+    <?= $form->field($model, 'content') ?>
+
+    <?= $form->field($model, 'published_at') ?>
+
+    <?= $form->field($model, 'updated_at') ?>
+
+    <div class="form-group">
+        <?= Html::submitButton('Search', ['class' => 'btn btn-primary']) ?>
+        <?= Html::resetButton('Reset', ['class' => 'btn btn-outline-secondary']) ?>
+    </div>
+
+    <?php ActiveForm::end(); ?>
+
+</div>
diff --git a/views/admin/announcements_create.php b/views/admin/announcements_create.php
new file mode 100644
index 0000000..e62563b
--- /dev/null
+++ b/views/admin/announcements_create.php
@@ -0,0 +1,20 @@
+<?php
+
+use yii\helpers\Html;
+
+/** @var yii\web\View $this */
+/** @var app\models\Announcements $model */
+
+$this->title = '发布公告';
+$this->params['breadcrumbs'][] = ['label' => '公告管理', 'url' => ['announcements-manage']];
+$this->params['breadcrumbs'][] = $this->title;
+?>
+<div class="announcements-create">
+
+    <h1><?= Html::encode($this->title) ?></h1>
+
+    <?= $this->render('_announcements_form', [
+        'model' => $model,
+    ]) ?>
+
+</div>
diff --git a/views/admin/announcements_index.php b/views/admin/announcements_index.php
new file mode 100644
index 0000000..81c6077
--- /dev/null
+++ b/views/admin/announcements_index.php
@@ -0,0 +1,68 @@
+<?php
+
+use app\models\Announcements;
+use yii\helpers\Html;
+use yii\helpers\Url;
+use yii\grid\ActionColumn;
+use yii\grid\GridView;
+use yii\widgets\Pjax;
+
+/** @var yii\web\View $this */
+/** @var app\models\AnnouncementsSearch $searchModel */
+/** @var yii\data\ActiveDataProvider $dataProvider */
+
+$this->title = '公告管理';
+$this->params['breadcrumbs'][] = $this->title;
+?>
+<div class="announcements-index">
+
+    <h1><?= Html::encode($this->title) ?></h1>
+
+    <p>
+        <?= Html::a('发布公告', ['announcements-create'], ['class' => 'btn btn-success']) ?>
+    </p>
+    <p>Tips: 只有最新的三条公告对用户可见</p>
+    <?php Pjax::begin(); ?>
+
+    <?= GridView::widget([
+        'dataProvider' => $dataProvider,
+        'filterModel' => $searchModel,
+        'columns' => [
+            ['class' => 'yii\grid\SerialColumn'],
+            'id',
+            [
+                'attribute' => 'title',
+                'format' => 'raw',
+                'value' => function (Announcements $model) {
+                    return Html::a($model->title, ['announcements-view', 'id' => $model->id]);
+                }
+            ],
+            [
+                'attribute' => 'content',
+                'label' => '内容',
+                // if the content is too long, only show the first 30 characters
+                'value' => function (Announcements $model) {
+                    return mb_substr($model->content, 0, 30) . '...';
+                }
+
+            ],
+            'published_at',
+            'updated_at',
+            [
+                'class' => ActionColumn::class,
+                'urlCreator' => function ($action, Announcements $model, $key, $index, $column) {
+                    if ($action === 'view') {
+                        return Url::to(['announcements-view', 'id' => $model->id]);
+                    } elseif ($action === 'update') {
+                        return Url::to(['announcements-update', 'id' => $model->id]);
+                    } else { //delete
+                        return Url::to(['announcements-delete', 'id' => $model->id]);
+                    }
+                }
+            ],
+        ],
+    ]); ?>
+
+    <?php Pjax::end(); ?>
+
+</div>
diff --git a/views/admin/announcements_update.php b/views/admin/announcements_update.php
new file mode 100644
index 0000000..ca55f0d
--- /dev/null
+++ b/views/admin/announcements_update.php
@@ -0,0 +1,21 @@
+<?php
+
+use yii\helpers\Html;
+
+/** @var yii\web\View $this */
+/** @var app\models\Announcements $model */
+
+$this->title = '修改公告: ' . $model->title;
+$this->params['breadcrumbs'][] = ['label' => '公告管理', 'url' => ['announcements-manage']];
+$this->params['breadcrumbs'][] = ['label' => '公告ID '.$model->id, 'url' => ['announcements-view', 'id' => $model->id]];
+$this->params['breadcrumbs'][] = '修改公告';
+?>
+<div class="announcements-update">
+
+    <h1><?= Html::encode($this->title) ?></h1>
+
+    <?= $this->render('_announcements_form', [
+        'model' => $model,
+    ]) ?>
+
+</div>
diff --git a/views/admin/announcements_view.php b/views/admin/announcements_view.php
new file mode 100644
index 0000000..d8d118e
--- /dev/null
+++ b/views/admin/announcements_view.php
@@ -0,0 +1,41 @@
+<?php
+
+use yii\helpers\Html;
+use yii\web\YiiAsset;
+use yii\widgets\DetailView;
+
+/** @var yii\web\View $this */
+/** @var app\models\Announcements $model */
+
+$this->title = '公告ID '.$model->id;
+$this->params['breadcrumbs'][] = ['label' => '公告管理', 'url' => ['announcements-manage']];
+$this->params['breadcrumbs'][] = $this->title;
+YiiAsset::register($this);
+?>
+<div class="announcements-view">
+
+    <h1><?= Html::encode($this->title) ?></h1>
+
+    <p>
+        <?= Html::a('修改公告', ['announcements-update', 'id' => $model->id], ['class' => 'btn btn-primary']) ?>
+        <?= Html::a('删除公告', ['announcements-delete', 'id' => $model->id], [
+            'class' => 'btn btn-danger',
+            'data' => [
+                'confirm' => '你确定要删除这条公告?',
+                'method' => 'post',
+            ],
+        ]) ?>
+    </p>
+
+    <?= DetailView::widget([
+        'model' => $model,
+        'attributes' => [
+            'id',
+            'title',
+            'content:ntext',
+            'published_at',
+            'updated_at',
+        ],
+    ]) ?>
+
+</div>
diff --git a/views/layouts/admin_main.php b/views/layouts/admin_main.php
index 8348b5f..c2b652c 100644
--- a/views/layouts/admin_main.php
+++ b/views/layouts/admin_main.php
@@ -76,7 +76,7 @@ $this->registerCssFile('@web/css/fuckyou-navpadding.css');
                 ['label' => '用户管理', 'url' => ['/admin/user']],
                 ['label' => '文件分享管理', 'url' => ['/admin/share-manage']],
                 ['label' => '文件收集管理', 'url' => ['/admin/collection-manage']],
-                ['label' => '站点公告管理', 'url' => ['/admin/notice-manage']], // 未完工
+                ['label' => '站点公告管理', 'url' => ['/admin/announcements-manage']],
                 ['label' => '工单支持管理', 'url' => ['/admin/ticket-manage']],
             ],
             ],