diff --git a/themes/tajian/controller/FrontapiController.php b/themes/tajian/controller/FrontapiController.php
index 11ec3a9..d406c8a 100644
--- a/themes/tajian/controller/FrontapiController.php
+++ b/themes/tajian/controller/FrontapiController.php
@@ -40,6 +40,21 @@ Class FrontApiController extends SiteController {
         return $this->renderJson(compact('code', 'msg', 'err', 'data'));
     }
 
+    //删除当前用户的缓存数据
+    protected function cleanAllFilesCache() {
+        if (empty(FSC::$app['user_id'])) {return false;}
+
+        $prefix = FSC::$app['user_id'];
+
+        $cacheKey = "{$prefix}_allFilesTree";
+        Common::cleanFileCache($cacheKey);
+
+        $cacheKey = "{$prefix}_allFilesData";
+        Common::cleanFileCache($cacheKey);
+
+        return true;
+    }
+
     /*
      * 参数：
      * content: 从抖音或其它平台复制出来的视频分享内容，或者视频网址
@@ -149,6 +164,9 @@ Class FrontApiController extends SiteController {
                 $stats = TajianStats::init();
                 TajianStats::increase('video');
                 $saved = TajianStats::save();
+
+                //清空缓存
+                $this->cleanAllFilesCache();
             }
         }
 
@@ -897,6 +915,9 @@ eof;
                 //保存
                 $saved = $this->saveTags($tags, $allTags);
                 if (!empty($saved)) {
+                    //清空缓存
+                    $this->cleanAllFilesCache();
+
                     $msg = "分类已保存";
                     $code = 1;
                 }else {
@@ -958,6 +979,9 @@ eof;
                     TajianStats::decrease('tag');
                     $saved = TajianStats::save();
 
+                    //清空缓存
+                    $this->cleanAllFilesCache();
+
                     $msg = "分类已删除";
                     $code = 1;
                 }else {
@@ -1038,6 +1062,9 @@ eof;
                         TajianStats::increase('tag');
                         $saved = TajianStats::save();
 
+                        //清空缓存
+                        $this->cleanAllFilesCache();
+
                         $msg = "分类已添加";
                         $code = 1;
                     }else {
@@ -1116,6 +1143,8 @@ eof;
                     TajianStats::decrease('video');
                     $saved = TajianStats::save();
 
+                    //清空缓存
+                    $this->cleanAllFilesCache();
 
                     $msg = "视频已删除";
                     $code = 1;
@@ -1183,6 +1212,9 @@ eof;
                 }
 
                 if ($saved !== false) {
+                    //清空缓存
+                    $this->cleanAllFilesCache();
+
                     $msg = "操作完成";
                     $code = 1;
                 }else {
@@ -1255,6 +1287,9 @@ eof;
                     $saved = Common::createNewFavDir($loginedUser['cellphone'], $loginedUser['username'], $new_dir, $new_nickname);
 
                     if ($saved !== false) {
+                        //清空缓存
+                        $this->cleanAllFilesCache();
+
                         $msg = "新账号创建完成";
                         $code = 1;
                     }else {
diff --git a/themes/tajian/controller/ListController.php b/themes/tajian/controller/ListController.php
index 544b0fb..ef5dc2e 100644
--- a/themes/tajian/controller/ListController.php
+++ b/themes/tajian/controller/ListController.php
@@ -4,6 +4,7 @@
  */
 require_once __DIR__ . '/../../../lib/DirScanner.php';
 require_once __DIR__ . '/../../../plugins/Parsedown.php';
+require_once __DIR__ . '/../../../plugins/Common.php';
 require_once __DIR__ . '/SiteController.php';
 
 Class ListController extends SiteController {
@@ -16,8 +17,30 @@ Class ListController extends SiteController {
 
         $scanner = new DirScanner();
         $scanner->setWebRoot(FSC::$app['config']['content_directory']);
-        $dirTree = $scanner->scan(__DIR__ . '/../../../www/' . FSC::$app['config']['content_directory'], 3);
-        $scanResults = $scanner->getScanResults();
+
+        //优先从缓存读取数据
+        $prefix = FSC::$app['user_id'];
+        $cacheKey = "{$prefix}_allFilesTree";
+        $cachedData = Common::getCacheFromFile($cacheKey);
+        if (!empty($cachedData)) {
+            $dirTree = $cachedData;
+            $scanner->setTreeData($cachedData);
+        }else {
+            $dirTree = $scanner->scan(__DIR__ . '/../../../www/' . FSC::$app['config']['content_directory'], 3);
+            Common::saveCacheToFile($cacheKey, $dirTree);
+        }
+
+        //优先从缓存读取数据
+        $cacheKey = "{$prefix}_allFilesData";
+        $cachedData = Common::getCacheFromFile($cacheKey);
+        if (!empty($cachedData)) {
+            $scanResults = $cachedData;
+            $scanner->setScanResults($cachedData);
+        }else {
+            $scanResults = $scanner->getScanResults();
+            Common::saveCacheToFile($cacheKey, $scanResults);
+        }
+
 
         $titles = array();
         $readmeFile = $scanner->getDefaultReadme();
diff --git a/themes/tajian/controller/SiteController.php b/themes/tajian/controller/SiteController.php
index a9d877b..670fa33 100644
--- a/themes/tajian/controller/SiteController.php
+++ b/themes/tajian/controller/SiteController.php
@@ -38,8 +38,30 @@ Class SiteController extends Controller {
 
         $scanner = new DirScanner();
         $scanner->setWebRoot(FSC::$app['config']['content_directory']);
-        $dirTree = $scanner->scan(__DIR__ . '/../../../www/' . FSC::$app['config']['content_directory'], 3);
-        $scanResults = $scanner->getScanResults();
+
+        //优先从缓存读取数据
+        $prefix = FSC::$app['user_id'];
+        $cacheKey = "{$prefix}_allFilesTree";
+        $cachedData = Common::getCacheFromFile($cacheKey);
+        if (!empty($cachedData)) {
+            $dirTree = $cachedData;
+            $scanner->setTreeData($cachedData);
+        }else {
+            $dirTree = $scanner->scan(__DIR__ . '/../../../www/' . FSC::$app['config']['content_directory'], 3);
+            Common::saveCacheToFile($cacheKey, $dirTree);
+        }
+
+        //优先从缓存读取数据
+        $cacheKey = "{$prefix}_allFilesData";
+        $cachedData = Common::getCacheFromFile($cacheKey);
+        if (!empty($cachedData)) {
+            $scanResults = $cachedData;
+            $scanner->setScanResults($cachedData);
+        }else {
+            $scanResults = $scanner->getScanResults();
+            Common::saveCacheToFile($cacheKey, $scanResults);
+        }
+
 
         //获取目录
         $menus = $scanner->getMenus();
@@ -346,8 +368,30 @@ Class SiteController extends Controller {
 
         $scanner = new DirScanner();
         $scanner->setWebRoot(FSC::$app['config']['content_directory']);
-        $dirTree = $scanner->scan(__DIR__ . '/../../../www/' . FSC::$app['config']['content_directory'], 3);
-        $scanResults = $scanner->getScanResults();
+
+        //优先从缓存读取数据
+        $prefix = FSC::$app['user_id'];
+        $cacheKey = "{$prefix}_allFilesTree";
+        $cachedData = Common::getCacheFromFile($cacheKey);
+        if (!empty($cachedData)) {
+            $dirTree = $cachedData;
+            $scanner->setTreeData($cachedData);
+        }else {
+            $dirTree = $scanner->scan(__DIR__ . '/../../../www/' . FSC::$app['config']['content_directory'], 3);
+            Common::saveCacheToFile($cacheKey, $dirTree);
+        }
+
+        //优先从缓存读取数据
+        $cacheKey = "{$prefix}_allFilesData";
+        $cachedData = Common::getCacheFromFile($cacheKey);
+        if (!empty($cachedData)) {
+            $scanResults = $cachedData;
+            $scanner->setScanResults($cachedData);
+        }else {
+            $scanResults = $scanner->getScanResults();
+            Common::saveCacheToFile($cacheKey, $scanResults);
+        }
+
 
         $titles = array();
         $htmlReadme = '';