diff --git a/app/Console/Commands/CommonTest.php b/app/Console/Commands/CommonTest.php
index 4205788..e324563 100644
--- a/app/Console/Commands/CommonTest.php
+++ b/app/Console/Commands/CommonTest.php
@@ -43,6 +43,7 @@ class CommonTest extends Command
      */
     public function handle()
     {
+        date_default_timezone_set('PRC');
         $path = $this->argument("path");
         $service = new FfmpegService();
         $service->processDir(trim($path));exit;
diff --git a/app/Services/FfmpegService.php b/app/Services/FfmpegService.php
index 69ebc57..095da9a 100644
--- a/app/Services/FfmpegService.php
+++ b/app/Services/FfmpegService.php
@@ -93,6 +93,14 @@ class FfmpegService
                     if (!$this->checkFileSize($pathFile)) {
                         return;
                     }
+                    if (filemtime($pathFile) > strtotime("2021-07-19 00:00:00")) {
+                        $mtime = date("Y-m-d H:i:s", filemtime($pathFile));
+                        dump("$pathFile modify at $mtime is after 2021-07-19 00:00:00 skip");
+                        return;
+                    } else {
+                        $mtime = date("Y-m-d H:i:s", filemtime($pathFile));
+                        dump("$pathFile modify at $mtime is after 2021-07-19 00:00:00");
+                    }
                     $fileInfo = pathinfo($pathFile);
                     if (ends_with($fileInfo["filename"], "-x265")) {
                         return;
@@ -107,9 +115,9 @@ class FfmpegService
                         return;
                     }
                     dump("targetFile", [$targetFile]);
-                    $result = shell_exec("ffmpeg -i '". $pathFile   ."' -c:v libx265 -vtag hvc1 '" . $targetFile . "' && echo 'ok'");
+                    $result = shell_exec("ffmpeg -threads 4 -i '". $pathFile   ."' -c:v libx265 -vtag hvc1 '" . $targetFile . "' && echo 'ok'");
                     echo $result;
-                    if ($result == "ok") {
+                    if (trim($result) == "ok") {
                         echo "compress work done remove the  file \n";
                         $oldFileSize = filesize($pathFile);
                         $newFileSize = filesize($targetFile);
@@ -118,6 +126,7 @@ class FfmpegService
                             echo "old file size is smaller than new one, old is " . file_size($oldFileSize) . " and new is " . file_size($newFileSize) . ", now remove new one";
                             unlink($targetFile);
                         } else {
+                            Redis::sadd("unneed", $fileInfo["filename"]);
                             echo "new file size is smaller than old one, new is " . file_size($newFileSize) . " and old is " . file_size($oldFileSize) . ", now remove old one";
                             unlink($pathFile);
                             rename($targetFile, $pathFile);
@@ -208,7 +217,7 @@ class FfmpegService
 
     public function checkFileSize($file, $size = 1): bool
     {
-        if (is_file($file) && filesize($file) > 100 * 1024 * 1024) {
+        if (is_file($file) && filesize($file) > 50 * 1024 * 1024) {
             return true;
         }
         $fileSize = FileUtils::humanFilesize(filesize($file));
diff --git a/fail.log b/fail.log
index 5b5f882..5fb36da 100644
--- a/fail.log
+++ b/fail.log
@@ -2343,3 +2343,5 @@
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