diff --git a/app/index/controller/Post.php b/app/index/controller/Post.php
index 34b302a..1f2469e 100644
--- a/app/index/controller/Post.php
+++ b/app/index/controller/Post.php
@@ -5,105 +5,116 @@ declare(strict_types=1);
 namespace app\index\controller;
 
 use app\model\Post as ModelPost;
+use think\facade\Cache;
 use think\facade\View;
 use think\model\Relation;
 use think\Request;
 
 class Post extends Common
 {
-  /**
-   * 显示资源列表
-   *
-   * @return \think\Response
-   */
-  public function index()
-  {
-    //
-  }
-
-  /**
-   * 显示创建资源表单页.
-   *
-   * @return \think\Response
-   */
-  public function create()
-  {
-    //
-  }
-
-  /**
-   * 保存新建的资源
-   *
-   * @param  \think\Request  $request
-   * @return \think\Response
-   */
-  public function save(Request $request)
-  {
-    //
-  }
-
-  /**
-   * 显示指定的资源
-   *
-   * @param  int  $id
-   * @return \think\Response
-   */
-  public function read($uid)
-  {
-    //
-
-    $model_post = ModelPost::with([
-      'comments' => function (Relation $query) {
-        $query->order('id asc');
-      }
-    ])->where('uid', $uid)->find();
-
-    if (empty($model_post)) {
-      return $this->error('链接已失效', '/');
+    /**
+     * 显示资源列表
+     *
+     * @return \think\Response
+     */
+    public function index()
+    {
+        //
     }
 
-    $model_post->hits = $model_post->hits + 1;
+    /**
+     * 显示创建资源表单页.
+     *
+     * @return \think\Response
+     */
+    public function create()
+    {
+        //
+    }
 
-    $model_post->save();
+    /**
+     * 保存新建的资源
+     *
+     * @param  \think\Request  $request
+     * @return \think\Response
+     */
+    public function save(Request $request)
+    {
+        //
+    }
 
-    View::assign('post', $model_post);
+    /**
+     * 显示指定的资源
+     *
+     * @param  int  $id
+     * @return \think\Response
+     */
+    public function read($uid)
+    {
+        //
 
-    return View::fetch();
-  }
+        $cache_key = 'post_' . $uid;
+
+        $model_post = Cache::get($cache_key);
+
+        if (empty($model_post)) {
+
+            $model_post = ModelPost::with([
+                'comments' => function (Relation $query) {
+                    $query->order('id asc');
+                }
+            ])->where('uid', $uid)->find();
+
+            if (empty($model_post)) {
+                return $this->error('链接已失效', '/');
+            }
+
+            Cache::set($cache_key, $model_post);
+        }
+
+
+        $model_post->hits = $model_post->hits + 1;
+
+        $model_post->save();
+
+        View::assign('post', $model_post);
+
+        return View::fetch();
+    }
 
 
 
-  /**
-   * 显示编辑资源表单页.
-   *
-   * @param  int  $id
-   * @return \think\Response
-   */
-  public function edit($id)
-  {
-    //
-  }
+    /**
+     * 显示编辑资源表单页.
+     *
+     * @param  int  $id
+     * @return \think\Response
+     */
+    public function edit($id)
+    {
+        //
+    }
 
-  /**
-   * 保存更新的资源
-   *
-   * @param  \think\Request  $request
-   * @param  int  $id
-   * @return \think\Response
-   */
-  public function update(Request $request, $id)
-  {
-    //
-  }
+    /**
+     * 保存更新的资源
+     *
+     * @param  \think\Request  $request
+     * @param  int  $id
+     * @return \think\Response
+     */
+    public function update(Request $request, $id)
+    {
+        //
+    }
 
-  /**
-   * 删除指定资源
-   *
-   * @param  int  $id
-   * @return \think\Response
-   */
-  public function delete($id)
-  {
-    //
-  }
+    /**
+     * 删除指定资源
+     *
+     * @param  int  $id
+     * @return \think\Response
+     */
+    public function delete($id)
+    {
+        //
+    }
 }
diff --git a/app/index/controller/PostComment.php b/app/index/controller/PostComment.php
index bbd17a4..fb46f6c 100644
--- a/app/index/controller/PostComment.php
+++ b/app/index/controller/PostComment.php
@@ -4,7 +4,9 @@ declare(strict_types=1);
 
 namespace app\index\controller;
 
+use app\model\Post;
 use app\model\PostComment as ModelPostComment;
+use think\facade\Cache;
 use think\facade\Session;
 use think\facade\Validate;
 use think\Request;
@@ -12,112 +14,121 @@ use think\validate\ValidateRule;
 
 class PostComment extends Common
 {
-  /**
-   * 显示资源列表
-   *
-   * @return \think\Response
-   */
-  public function index()
-  {
-    //
-  }
-
-  /**
-   * 显示创建资源表单页.
-   *
-   * @return \think\Response
-   */
-  public function create()
-  {
-    //
-  }
-
-  /**
-   * 保存新建的资源
-   *
-   * @param  \think\Request  $request
-   * @return \think\Response
-   */
-  public function save(Request $request)
-  {
-    //
-
-    $user_uid = Session::get('user_uid');
-
-    if (empty($user_uid)) {
-      return json_message('请先登录');
+    /**
+     * 显示资源列表
+     *
+     * @return \think\Response
+     */
+    public function index()
+    {
+        //
     }
 
-    $post_data = $request->post();
-
-    $validate = Validate::rule('post_id', ValidateRule::isRequire())
-      ->rule('content|评论内容', ValidateRule::isRequire()->length('5,200', '评论字符长度需要在5-200之间'));
-
-    if (!$validate->check($post_data)) {
-      return json_message($validate->getError());
+    /**
+     * 显示创建资源表单页.
+     *
+     * @return \think\Response
+     */
+    public function create()
+    {
+        //
     }
 
-    $post_data['type'] = 3;
+    /**
+     * 保存新建的资源
+     *
+     * @param  \think\Request  $request
+     * @return \think\Response
+     */
+    public function save(Request $request)
+    {
+        //
+
+        $user_uid = Session::get('user_uid');
+
+        if (empty($user_uid)) {
+            return json_message('请先登录');
+        }
+
+        $post_data = $request->post();
+
+        $validate = Validate::rule('post_id', ValidateRule::isRequire())
+            ->rule('content|评论内容', ValidateRule::isRequire()->length('5,200', '评论字符长度需要在5-200之间'));
+
+        if (!$validate->check($post_data)) {
+            return json_message($validate->getError());
+        }
+
+        $model_post = Post::find($post_data['post_id']);
+
+        if (empty($model_post)) {
+            return json_message('文章不存在');
+        }
+
+        $post_data['type'] = 3;
+
+        $post_data['user_uid'] = $user_uid;
+
+        ModelPostComment::create($post_data);
+
+        ModelPostComment::clearCountCache();
+
+        Cache::delete('post_' . $model_post->uid);
 
 
-    $post_data['user_uid'] = $user_uid;
 
-    ModelPostComment::create($post_data);
 
-    ModelPostComment::clearCountCache();
-    
+        return json_message();
+    }
 
-    return json_message();
-  }
+    /**
+     * 显示指定的资源
+     *
+     * @param  int  $id
+     * @return \think\Response
+     */
+    public function read($id)
+    {
+        //
+    }
 
-  /**
-   * 显示指定的资源
-   *
-   * @param  int  $id
-   * @return \think\Response
-   */
-  public function read($id)
-  {
-    //
-  }
+    /**
+     * 显示编辑资源表单页.
+     *
+     * @param  int  $id
+     * @return \think\Response
+     */
+    public function edit($id)
+    {
+        //
+    }
 
-  /**
-   * 显示编辑资源表单页.
-   *
-   * @param  int  $id
-   * @return \think\Response
-   */
-  public function edit($id)
-  {
-    //
-  }
+    /**
+     * 保存更新的资源
+     *
+     * @param  \think\Request  $request
+     * @param  int  $id
+     * @return \think\Response
+     */
+    public function update(Request $request, $id)
+    {
+        //
+    }
 
-  /**
-   * 保存更新的资源
-   *
-   * @param  \think\Request  $request
-   * @param  int  $id
-   * @return \think\Response
-   */
-  public function update(Request $request, $id)
-  {
-    //
-  }
+    /**
+     * 删除指定资源
+     *
+     * @param  int  $id
+     * @return \think\Response
+     */
+    public function delete($id)
+    {
+        //
 
-  /**
-   * 删除指定资源
-   *
-   * @param  int  $id
-   * @return \think\Response
-   */
-  public function delete($id)
-  {
-    //
+        ModelPostComment::destroy($id);
 
-    ModelPostComment::destroy($id);
+        ModelPostComment::clearCountCache();
 
-    ModelPostComment::clearCountCache();
-
-    return json_message();
-  }
+        return json_message();
+    }
 }