diff --git a/src/N_m3u8DL-RE.Common/Util/GlobalUtil.cs b/src/N_m3u8DL-RE.Common/Util/GlobalUtil.cs
index 7e50188..e535f53 100644
--- a/src/N_m3u8DL-RE.Common/Util/GlobalUtil.cs
+++ b/src/N_m3u8DL-RE.Common/Util/GlobalUtil.cs
@@ -35,6 +35,10 @@ namespace N_m3u8DL_RE.Common.Util
             {
                 return JsonSerializer.Serialize(sList, Context.ListStreamSpec);
             }
+            else if (o is IEnumerable<MediaSegment> mList)
+            {
+                return JsonSerializer.Serialize(mList, Context.IEnumerableMediaSegment);
+            }
             return "{NOT SUPPORTED}";
         }
 
diff --git a/src/N_m3u8DL-RE/Downloader/SimpleDownloader.cs b/src/N_m3u8DL-RE/Downloader/SimpleDownloader.cs
index 1225b25..32daac4 100644
--- a/src/N_m3u8DL-RE/Downloader/SimpleDownloader.cs
+++ b/src/N_m3u8DL-RE/Downloader/SimpleDownloader.cs
@@ -9,6 +9,7 @@ using Spectre.Console;
 using System;
 using System.Collections.Concurrent;
 using System.Collections.Generic;
+using System.Data;
 using System.Diagnostics;
 using System.Linq;
 using System.Text;
@@ -116,7 +117,7 @@ namespace N_m3u8DL_RE.Downloader
             catch (Exception ex)
             {
                 Logger.WarnMarkUp($"[grey]{ex.Message.EscapeMarkup()} retryCount: {retryCount}[/]");
-                Logger.Debug(ex.ToString());
+                Logger.Debug(url + " " + ex.ToString());
                 if (retryCount-- > 0)
                 {
                     await Task.Delay(1000);