diff --git a/app/Console/Tasks/VodEventTask.php b/app/Console/Tasks/VodEventTask.php
index 0189960b..49d86fc7 100644
--- a/app/Console/Tasks/VodEventTask.php
+++ b/app/Console/Tasks/VodEventTask.php
@@ -45,7 +45,8 @@ class VodEventTask extends Task
     protected function handleNewFileUploadEvent($event)
     {
         $fileId = $event['FileUploadEvent']['FileId'];
-        $format = $event['FileUploadEvent']['MediaBasicInfo']['Type'];
+        $width = $event['FileUploadEvent']['MetaData']['Height'];
+        $height = $event['FileUploadEvent']['MetaData']['Width'];
         $duration = $event['FileUploadEvent']['MetaData']['Duration'];
 
         $chapterRepo = new ChapterRepo();
@@ -56,7 +57,7 @@ class VodEventTask extends Task
 
         $vodService = new VodService();
 
-        if ($this->isAudioFile($format)) {
+        if ($width == 0 && $height == 0) {
             $vodService->createTransAudioTask($fileId);
         } else {
             $vodService->createTransVideoTask($fileId);
@@ -144,13 +145,6 @@ class VodEventTask extends Task
         return $vodService->confirmEvents($handles);
     }
 
-    protected function isAudioFile($format)
-    {
-        $formats = ['mp3', 'm4a', 'wav', 'flac', 'ogg'];
-
-        return in_array(strtolower($format), $formats);
-    }
-
     protected function updateVodAttrs(ChapterModel $chapter)
     {
         $courseStats = new CourseStatService();
diff --git a/app/Http/Admin/Services/ChapterContent.php b/app/Http/Admin/Services/ChapterContent.php
index f02962d1..09fccf37 100644
--- a/app/Http/Admin/Services/ChapterContent.php
+++ b/app/Http/Admin/Services/ChapterContent.php
@@ -81,10 +81,20 @@ class ChapterContent extends Service
 
         $vod = $chapterRepo->findChapterVod($chapter->id);
 
+        /**
+         * 无新文件上传
+         */
         if ($fileId == $vod->file_id) {
             return;
         }
 
+        /**
+         * 删除旧文件
+         */
+        if ($vod->file_id) {
+            $this->deleteVodFile($vod->file_id);
+        }
+
         $vod->update([
             'file_id' => $fileId,
             'file_transcode' => '',
@@ -102,10 +112,6 @@ class ChapterContent extends Service
         $chapter->update(['attrs' => $attrs]);
 
         $this->updateCourseVodAttrs($vod->course_id);
-
-        if (!empty($vod->file_id)) {
-            $this->deleteVodFile($vod->file_id);
-        }
     }
 
     protected function updateChapterLive(ChapterModel $chapter)
diff --git a/scheduler.php b/scheduler.php
index ddc820e2..b038b608 100644
--- a/scheduler.php
+++ b/scheduler.php
@@ -20,7 +20,7 @@ $scheduler->php($script, $bin, ['--task' => 'sync_learning', '--action' => 'main
     ->at('*/7 * * * *');
 
 $scheduler->php($script, $bin, ['--task' => 'vod_event', '--action' => 'main'])
-    ->at('*/9 * * * *');
+    ->at('*/5 * * * *');
 
 $scheduler->php($script, $bin, ['--task' => 'close_trade', '--action' => 'main'])
     ->at('*/13 * * * *');