diff --git a/conf/app.php b/conf/app.php
index 13172e1..7b07703 100644
--- a/conf/app.php
+++ b/conf/app.php
@@ -53,6 +53,12 @@ $configs = array(
         'data_dir' => 'data/',    //数据目录
         'tag_dir' => 'tags/',     //tag分类目录
         'task_dir' => 'task/',    //分享视频下载任务文件保存目录
+        'supportedPlatforms' => array(
+            '抖音',
+            '快手',
+            '西瓜视频',
+            'B站',
+        ),
     ),
 
     //目前支持的皮肤
diff --git a/themes/tajian/controller/ApiController.php b/themes/tajian/controller/ApiController.php
index 1e109bf..b698a8b 100644
--- a/themes/tajian/controller/ApiController.php
+++ b/themes/tajian/controller/ApiController.php
@@ -4,6 +4,7 @@
  */
 require_once __DIR__ . '/../../../lib/DirScanner.php';
 require_once __DIR__ . '/../../../plugins/Parsedown.php';
+require_once __DIR__ . '/../../../plugins/Html.php';
 require_once __DIR__ . '/SiteController.php';
 
 Class ApiController extends SiteController {
@@ -62,8 +63,16 @@ Class ApiController extends SiteController {
             $content = urldecode($content);
         }
 
+        //分享内容来源平台检查
+        $shareUrl = $this->getShareUrlFromContent($content);
+        $platform = Html::getShareVideosPlatform($shareUrl);
+        if (!in_array($platform, FSC::$app['config']['tajian']['supportedPlatforms'])) {
+            $code = 0;
+            $err = '目前只支持抖音、快手、西瓜视频和Bilibili的分享网址哦！';
+        }
+
         $tagName = '';
-        if (!empty($tag) || !empty($tagid)) {        //检查分类名称或id是否存在
+        if ($code == 1 && (!empty($tag) || !empty($tagid))) {        //检查分类名称或id是否存在
             $scanner = new DirScanner();
             $scanner->setWebRoot(FSC::$app['config']['content_directory']);
             $dirTree = $scanner->scan(__DIR__ . '/../../../www/' . FSC::$app['config']['content_directory'], 3);
@@ -107,19 +116,28 @@ Class ApiController extends SiteController {
         return md5($url);
     }
 
-    //保存分享视频
-    protected function saveShareVideo($content, $title, $tagName) {
-        $done = true;
-        $newVideo = array();
+    protected function getShareUrlFromContent($content) {
+        $url = '';
 
         preg_match("/https:\/\/[\w\.]+(\/\w+){1,}\/?/i", $content, $matches);
         if (!empty($matches)) {
-            $newVideo['url'] = $matches[0];
-            $done = $done && $this->saveBotTask($newVideo['url']);
+            $url = $matches[0];
         }
 
-        if (!empty($tagName)) {
-            $done = $done && $this->saveVideoToTag($newVideo['url'], $tagName);
+        return $url;
+    }
+
+    //保存分享视频
+    protected function saveShareVideo($content, $title, $tagName) {
+        $done = true;
+
+        $shareUrl = $this->getShareUrlFromContent($content);
+        if (!empty($shareUrl)) {
+            $done = $done && $this->saveBotTask($shareUrl);
+
+            if (!empty($tagName)) {
+                $done = $done && $this->saveVideoToTag($shareUrl, $tagName);
+            }
         }
 
         return $done;
diff --git a/www/js/tajian.js b/www/js/tajian.js
index dadd008..84d01dc 100644
--- a/www/js/tajian.js
+++ b/www/js/tajian.js
@@ -51,7 +51,7 @@
                 $('input[name=share_content]').val('');
                 alert(data.msg || data.err);
             }else {
-                alert('保存失败，请稍后重试！');
+                alert('保存失败！' + data.err);
             }
         }).fail(function(jqXHR, textStatus, errorThrown) {
             $(btn).props('disabled', false);