1.优化ffmpeg命令，适配各种类型视频

@@ -405,7 +405,6 @@ class AdminMakeImmerse implements ShouldQueue
                         $round = round($this->media_info['format']['duration'] / count($contents),1);
                         $sub_text = '';
                         foreach ($contents as $key => $content){
-                            $text_color = substr($text_color,1,strlen($text_color));
                             $DS = $key * $round;
                             $DE = $DS + $round;
                             $text_file = $this->getAbsolutePath($this->getTempPath('.txt','text'));