From c238784caa77011ff8ee26b2c28ab3d18d5b3251 Mon Sep 17 00:00:00 2001
From: nilaoda <nilaoda@live.com>
Date: Sat, 20 Aug 2022 14:34:35 +0800
Subject: [PATCH] =?UTF-8?q?=E4=BC=98=E5=8C=96=E7=BC=96=E8=AF=91=E8=AD=A6?=
 =?UTF-8?q?=E5=91=8A?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 .../DownloadManager/SimpleDownloadManager.cs     |  2 +-
 src/N_m3u8DL-RE/Entity/Mediainfo.cs              | 16 ++++++++--------
 2 files changed, 9 insertions(+), 9 deletions(-)

diff --git a/src/N_m3u8DL-RE/DownloadManager/SimpleDownloadManager.cs b/src/N_m3u8DL-RE/DownloadManager/SimpleDownloadManager.cs
index 523e560..f65cf52 100644
--- a/src/N_m3u8DL-RE/DownloadManager/SimpleDownloadManager.cs
+++ b/src/N_m3u8DL-RE/DownloadManager/SimpleDownloadManager.cs
@@ -68,7 +68,7 @@ namespace N_m3u8DL_RE.DownloadManager
                 Logger.WarnMarkUp($"[darkorange3_1]{ResString.autoBinaryMerge2}[/]");
             }
 
-            if (mediainfos.Where(m => m.Type == "Audio").All(m => m.BaseInfo.Contains("aac")))
+            if (mediainfos.Where(m => m.Type == "Audio").All(m => m.BaseInfo!.Contains("aac")))
             {
                 useAACFilter = true;
             }
diff --git a/src/N_m3u8DL-RE/Entity/Mediainfo.cs b/src/N_m3u8DL-RE/Entity/Mediainfo.cs
index c3daa6b..ae019b5 100644
--- a/src/N_m3u8DL-RE/Entity/Mediainfo.cs
+++ b/src/N_m3u8DL-RE/Entity/Mediainfo.cs
@@ -9,19 +9,19 @@ namespace N_m3u8DL_RE.Entity
 {
     internal class Mediainfo
     {
-        public string Id { get; set; }
-        public string Text { get; set; }
-        public string BaseInfo { get; set; }
-        public string Bitrate { get; set; }
-        public string Resolution { get; set; }
-        public string Fps { get; set; }
-        public string Type { get; set; }
+        public string? Id { get; set; }
+        public string? Text { get; set; }
+        public string? BaseInfo { get; set; }
+        public string? Bitrate { get; set; }
+        public string? Resolution { get; set; }
+        public string? Fps { get; set; }
+        public string? Type { get; set; }
         public bool DolbyVison { get; set; }
         public bool HDR { get; set; }
 
         public override string? ToString()
         {
-            return $"{(string.IsNullOrEmpty(Id) ? "NaN" : Id)}: " + string.Join(", ", new List<string> { Type, BaseInfo, Resolution, Fps, Bitrate }.Where(i => !string.IsNullOrEmpty(i)));
+            return $"{(string.IsNullOrEmpty(Id) ? "NaN" : Id)}: " + string.Join(", ", new List<string?> { Type, BaseInfo, Resolution, Fps, Bitrate }.Where(i => !string.IsNullOrEmpty(i)));
         }
 
         public string ToStringMarkUp()