diff --git a/controllers/ShareController.php b/controllers/ShareController.php
new file mode 100644
index 0000000..8576e9e
--- /dev/null
+++ b/controllers/ShareController.php
@@ -0,0 +1,146 @@
+<?php
+
+namespace app\controllers;
+
+use app\models\Share;
+use app\models\ShareSearch;
+use Yii;
+use yii\web\Controller;
+use yii\web\NotFoundHttpException;
+use yii\filters\VerbFilter;
+use yii\web\Response;
+
+/**
+ * ShareController implements the CRUD actions for Share model.
+ */
+class ShareController extends Controller
+{
+    /**
+     * @inheritDoc
+     */
+    public function behaviors()
+    {
+        return array_merge(
+            parent::behaviors(),
+            [
+                'verbs' => [
+                    'class' => VerbFilter::className(),
+                    'actions' => [
+                        'delete' => ['POST'],
+                    ],
+                ],
+            ]
+        );
+    }
+
+    /**
+     * Lists all Share models.
+     *
+     * @return string
+     */
+    public function actionIndex()
+    {
+        $searchModel = new ShareSearch();
+        $dataProvider = $searchModel->search($this->request->queryParams);
+
+        return $this->render('index', [
+            'searchModel' => $searchModel,
+            'dataProvider' => $dataProvider,
+        ]);
+    }
+
+    /**
+     * Displays a single Share model.
+     * @param int $share_id Share ID
+     * @return string
+     * @throws NotFoundHttpException if the model cannot be found
+     */
+    public function actionView($share_id)
+    {
+        return $this->render('view', [
+            'model' => $this->findModel($share_id),
+        ]);
+    }
+
+    /**
+     * Creates a new Share model.
+     * If creation is successful, the browser will be redirected to the 'view' page.
+     * @return string|Response
+     */
+    public function actionCreate()
+    {
+        $model = new Share();
+
+        if ($this->request->isPost) {
+            if ($model->load($this->request->post())) {
+                $model->sharer_id = Yii::$app->user->id;  // 自动设置 sharer_id 为当前用户的 ID
+                if ($model->save()) {
+                    return $this->redirect(['view', 'share_id' => $model->share_id]);
+                }
+            }
+        } else {
+            $model->loadDefaultValues();
+        }
+
+        return $this->render('create', [
+            'model' => $model,
+        ]);
+    }
+
+    /**
+     * Updates an existing Share model.
+     * If update is successful, the browser will be redirected to the 'view' page.
+     * @param int $share_id Share ID
+     * @return string|Response
+     * @throws NotFoundHttpException if the model cannot be found
+     */
+    public function actionUpdate($share_id)
+    {
+        $model = $this->findModel($share_id);
+        $model->scenario = Share::SCENARIO_UPDATE;  // 设置模型为 'update' 场景
+
+        if ($this->request->isPost) {
+            $postData = $this->request->post();
+            if (isset($postData['Share']['access_code'])) {  // 只加载 'access_code' 字段
+                $model->access_code = $postData['Share']['access_code'];
+                if ($model->save()) {
+                    return $this->redirect(['view', 'share_id' => $model->share_id]);
+                }
+            }
+        }
+
+        return $this->render('update', [
+            'model' => $model,
+        ]);
+    }
+
+    /**
+     * Deletes an existing Share model.
+     * If deletion is successful, the browser will be redirected to the 'index' page.
+     * @param int $share_id Share ID
+     * @return Response
+     * @throws NotFoundHttpException if the model cannot be found
+     */
+    public function actionDelete($share_id)
+    {
+        $this->findModel($share_id)->delete();
+
+        return $this->redirect(['index']);
+    }
+
+    /**
+     * Finds the Share model based on its primary key value.
+     * If the model is not found, a 404 HTTP exception will be thrown.
+     * @param int $share_id Share ID
+     * @return Share the loaded model
+     * @throws NotFoundHttpException if the model cannot be found
+     */
+    protected function findModel($share_id)
+    {
+        if (($model = Share::findOne(['share_id' => $share_id])) !== null) {
+            return $model;
+        }
+
+        throw new NotFoundHttpException('The requested page does not exist.');
+    }
+}
diff --git a/models/Share.php b/models/Share.php
new file mode 100644
index 0000000..a2f5dce
--- /dev/null
+++ b/models/Share.php
@@ -0,0 +1,68 @@
+<?php
+
+namespace app\models;
+
+use Yii;
+
+/**
+ * This is the model class for table "share".
+ *
+ * @property int $share_id 分享ID
+ * @property int $sharer_id 分享者ID
+ * @property string $file_relative_path 文件的相对路径
+ * @property string $access_code 分享密钥
+ * @property string $creation_date 分享创建日期
+ *
+ * @property User $sharer
+ */
+class Share extends \yii\db\ActiveRecord
+{
+    const SCENARIO_UPDATE = 'update';
+    /**
+     * {@inheritdoc}
+     */
+    public static function tableName()
+    {
+        return 'share';
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function rules()
+    {
+        return [
+            [['file_relative_path', 'access_code'], 'required'],
+            [['sharer_id'], 'integer'],
+            [['creation_date'], 'safe'],
+            [['file_relative_path'], 'string', 'max' => 255],
+            [['access_code'], 'string', 'max' => 4],
+            [['sharer_id'], 'exist', 'skipOnError' => true, 'targetClass' => User::class, 'targetAttribute' => ['sharer_id' => 'id']],
+            [['access_code'], 'required', 'on' => self::SCENARIO_UPDATE],  // 在 'update' 场景中，只验证 'access_code' 字段
+        ];
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function attributeLabels()
+    {
+        return [
+            'share_id' => '分享ID',
+            'sharer_id' => '分享者ID',
+            'file_relative_path' => '文件位置',
+            'access_code' => '访问密码',
+            'creation_date' => '分享创建日期',
+        ];
+    }
+
+    /**
+     * Gets query for [[Sharer]].
+     *
+     * @return \yii\db\ActiveQuery
+     */
+    public function getSharer()
+    {
+        return $this->hasOne(User::class, ['id' => 'sharer_id']);
+    }
+}
diff --git a/models/ShareSearch.php b/models/ShareSearch.php
new file mode 100644
index 0000000..da8818c
--- /dev/null
+++ b/models/ShareSearch.php
@@ -0,0 +1,72 @@
+<?php
+
+namespace app\models;
+
+use Yii;
+use yii\base\Model;
+use yii\data\ActiveDataProvider;
+use app\models\Share;
+
+/**
+ * ShareSearch represents the model behind the search form of `app\models\Share`.
+ */
+class ShareSearch extends Share
+{
+    /**
+     * {@inheritdoc}
+     */
+    public function rules()
+    {
+        return [
+            [['share_id', 'sharer_id'], 'integer'],
+            [['file_relative_path', 'access_code', 'creation_date'], 'safe'],
+        ];
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function scenarios()
+    {
+        // bypass scenarios() implementation in the parent class
+        return Model::scenarios();
+    }
+
+    /**
+     * Creates data provider instance with search query applied
+     *
+     * @param array $params
+     *
+     * @return ActiveDataProvider
+     */
+    public function search($params)
+    {
+        $query = Share::find()->where(['sharer_id' => Yii::$app->user->id]);
+
+        // add conditions that should always apply here
+
+        $dataProvider = new ActiveDataProvider([
+            'query' => $query,
+        ]);
+
+        $this->load($params);
+
+        if (!$this->validate()) {
+            // uncomment the following line if you do not want to return any records when validation fails
+            // $query->where('0=1');
+            return $dataProvider;
+        }
+
+        // grid filtering conditions
+        $query->andFilterWhere([
+            'share_id' => $this->share_id,
+//            'sharer_id' => $this->sharer_id,
+            'creation_date' => $this->creation_date,
+        ]);
+
+        $query->andFilterWhere(['like', 'file_relative_path', $this->file_relative_path])
+            ->andFilterWhere(['like', 'access_code', $this->access_code]);
+
+        return $dataProvider;
+    }
+}
diff --git a/views/layouts/main.php b/views/layouts/main.php
index 75296ca..4eeac07 100644
--- a/views/layouts/main.php
+++ b/views/layouts/main.php
@@ -42,7 +42,7 @@ $this->registerLinkTag(['rel' => 'icon', 'type' => 'image/x-icon', 'href' => Yii
         'items' => [
             ['label' => '首页', 'url' => ['/site/index']],
             ['label' => '我的文件', 'url' => ['/home/index']],
-            ['label' => '分享管理', 'url' => ['/site/about']],
+            ['label' => '分享管理', 'url' => ['/share/index']],
             ['label' => '个人设置', 'url' => ['/site/about']],
             ['label' => '系统设置', 'url' => ['/site/contact']],
             ['label' => '应用下载', 'url' => ['/site/contact']],
diff --git a/views/share/_form.php b/views/share/_form.php
new file mode 100644
index 0000000..7fd52ba
--- /dev/null
+++ b/views/share/_form.php
@@ -0,0 +1,32 @@
+<?php
+
+use yii\helpers\Html;
+use yii\widgets\ActiveForm;
+
+/** @var yii\web\View $this */
+/** @var app\models\Share $model */
+/** @var yii\widgets\ActiveForm $form */
+?>
+
+<div class="share-form">
+
+    <?php $form = ActiveForm::begin(); ?>
+
+    <?= Html::label($model->getAttributeLabel('sharer_id'), 'sharer_id', ['class' => 'control-label']) ?>
+    <?= Html::tag('p', Html::encode($model->sharer_id), ['class' => 'form-control-static']) ?>
+
+    <?= Html::label($model->getAttributeLabel('file_relative_path'), 'file_relative_path', ['class' => 'control-label']) ?>
+    <?= Html::tag('p', Html::encode($model->file_relative_path), ['class' => 'form-control-static']) ?>
+
+    <?= $form->field($model, 'access_code')->textInput(['maxlength' => 4]) ?>
+
+    <?= Html::label($model->getAttributeLabel('creation_date'), 'creation_date', ['class' => 'control-label']) ?>
+    <?= Html::tag('p', Html::encode($model->creation_date), ['class' => 'form-control-static']) ?>
+
+    <div class="form-group">
+        <?= Html::submitButton('Save', ['class' => 'btn btn-success']) ?>
+    </div>
+
+    <?php ActiveForm::end(); ?>
+
+</div>
\ No newline at end of file
diff --git a/views/share/_search.php b/views/share/_search.php
new file mode 100644
index 0000000..78a1142
--- /dev/null
+++ b/views/share/_search.php
@@ -0,0 +1,35 @@
+<?php
+
+use yii\helpers\Html;
+use yii\widgets\ActiveForm;
+
+/** @var yii\web\View $this */
+/** @var app\models\ShareSearch $model */
+/** @var yii\widgets\ActiveForm $form */
+?>
+
+<div class="share-search">
+
+    <?php $form = ActiveForm::begin([
+        'action' => ['index'],
+        'method' => 'get',
+    ]); ?>
+
+    <?= $form->field($model, 'share_id') ?>
+
+<!--    --><?php //= $form->field($model, 'sharer_id') ?>
+
+    <?= $form->field($model, 'file_relative_path') ?>
+
+    <?= $form->field($model, 'access_code') ?>
+
+    <?= $form->field($model, 'creation_date') ?>
+
+    <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/share/create.php b/views/share/create.php
new file mode 100644
index 0000000..6ce53d3
--- /dev/null
+++ b/views/share/create.php
@@ -0,0 +1,20 @@
+<?php
+
+use yii\helpers\Html;
+
+/** @var yii\web\View $this */
+/** @var app\models\Share $model */
+
+$this->title = 'Create Share';
+$this->params['breadcrumbs'][] = ['label' => 'Shares', 'url' => ['index']];
+$this->params['breadcrumbs'][] = $this->title;
+?>
+<div class="share-create">
+
+    <h1><?= Html::encode($this->title) ?></h1>
+
+    <?= $this->render('_form', [
+        'model' => $model,
+    ]) ?>
+
+</div>
diff --git a/views/share/index.php b/views/share/index.php
new file mode 100644
index 0000000..59ad186
--- /dev/null
+++ b/views/share/index.php
@@ -0,0 +1,47 @@
+<?php
+
+use app\models\Share;
+use yii\helpers\Html;
+use yii\helpers\Url;
+use yii\grid\ActionColumn;
+use yii\grid\GridView;
+
+/** @var yii\web\View $this */
+/** @var app\models\ShareSearch $searchModel */
+/** @var yii\data\ActiveDataProvider $dataProvider */
+
+$this->title = '分享';
+$this->params['breadcrumbs'][] = $this->title;
+?>
+<div class="share-index">
+
+    <h1><?= Html::encode($this->title) ?></h1>
+
+    <p>
+        <?= Html::a('创建分享', ['home/index'], ['class' => 'btn btn-success']) ?>
+    </p>
+
+    <?php // echo $this->render('_search', ['model' => $searchModel]); ?>
+
+    <?= GridView::widget([
+        'dataProvider' => $dataProvider,
+        'filterModel' => $searchModel,
+        'columns' => [
+            ['class' => 'yii\grid\SerialColumn'],
+
+            'share_id',
+//            'sharer_id',
+            'file_relative_path',
+            'access_code',
+            'creation_date',
+            [
+                'class' => ActionColumn::className(),
+                'urlCreator' => function ($action, Share $model, $key, $index, $column) {
+                    return Url::toRoute([$action, 'share_id' => $model->share_id]);
+                 }
+            ],
+        ],
+    ]); ?>
+
+
+</div>
diff --git a/views/share/update.php b/views/share/update.php
new file mode 100644
index 0000000..5c7c248
--- /dev/null
+++ b/views/share/update.php
@@ -0,0 +1,21 @@
+<?php
+
+use yii\helpers\Html;
+
+/** @var yii\web\View $this */
+/** @var app\models\Share $model */
+
+$this->title = '更新分享ID' . $model->share_id . '的访问密码';
+$this->params['breadcrumbs'][] = ['label' => 'Shares', 'url' => ['index']];
+$this->params['breadcrumbs'][] = ['label' => $model->share_id, 'url' => ['view', 'share_id' => $model->share_id]];
+$this->params['breadcrumbs'][] = 'Update';
+?>
+<div class="share-update">
+
+    <h1><?= Html::encode($this->title) ?></h1>
+
+    <?= $this->render('_form', [
+        'model' => $model,
+    ]) ?>
+
+</div>
diff --git a/views/share/view.php b/views/share/view.php
new file mode 100644
index 0000000..a622de8
--- /dev/null
+++ b/views/share/view.php
@@ -0,0 +1,40 @@
+<?php
+
+use yii\helpers\Html;
+use yii\widgets\DetailView;
+
+/** @var yii\web\View $this */
+/** @var app\models\Share $model */
+
+$this->title = $model->share_id;
+$this->params['breadcrumbs'][] = ['label' => 'Shares', 'url' => ['index']];
+$this->params['breadcrumbs'][] = $this->title;
+\yii\web\YiiAsset::register($this);
+?>
+<div class="share-view">
+
+    <h1><?= Html::encode($this->title) ?></h1>
+
+    <p>
+        <?= Html::a('Update', ['update', 'share_id' => $model->share_id], ['class' => 'btn btn-primary']) ?>
+        <?= Html::a('Delete', ['delete', 'share_id' => $model->share_id], [
+            'class' => 'btn btn-danger',
+            'data' => [
+                'confirm' => 'Are you sure you want to delete this item?',
+                'method' => 'post',
+            ],
+        ]) ?>
+    </p>
+
+    <?= DetailView::widget([
+        'model' => $model,
+        'attributes' => [
+            'share_id',
+//            'sharer_id',
+            'file_relative_path',
+            'access_code',
+            'creation_date',
+        ],
+    ]) ?>
+
+</div>