diff --git a/src/N_m3u8DL-RE.Parser/Extractor/HLSExtractor.cs b/src/N_m3u8DL-RE.Parser/Extractor/HLSExtractor.cs
index 46429e8..546f8e5 100644
--- a/src/N_m3u8DL-RE.Parser/Extractor/HLSExtractor.cs
+++ b/src/N_m3u8DL-RE.Parser/Extractor/HLSExtractor.cs
@@ -546,7 +546,7 @@ namespace N_m3u8DL_RE.Parser.Extractor
             {
                 //重新加载m3u8
                 await LoadM3u8FromUrlAsync(lists[i].Url!);
-                lists[i].Playlist = await ParseListAsync();
+                lists[i].Playlist!.MediaParts = (await ParseListAsync()).MediaParts; //不更新init
                 if (lists[i].MediaType == MediaType.SUBTITLES)
                 {
                     var a = lists[i].Playlist!.MediaParts.Any(p => p.MediaSegments.Any(m => m.Url.Contains(".ttml")));
diff --git a/src/N_m3u8DL-RE.Parser/Processor/DefaultUrlProcessor.cs b/src/N_m3u8DL-RE.Parser/Processor/DefaultUrlProcessor.cs
index dc3dd37..ee518f3 100644
--- a/src/N_m3u8DL-RE.Parser/Processor/DefaultUrlProcessor.cs
+++ b/src/N_m3u8DL-RE.Parser/Processor/DefaultUrlProcessor.cs
@@ -7,25 +7,35 @@ using System.Linq;
 using System.Text;
 using System.Text.RegularExpressions;
 using System.Threading.Tasks;
+using System.Web;
 
 namespace N_m3u8DL_RE.Parser.Processor
 {
     public class DefaultUrlProcessor : UrlProcessor
     {
-        public override bool CanProcess(ExtractorType extractorType, string oriUrl, ParserConfig paserConfig) => true;
+        public override bool CanProcess(ExtractorType extractorType, string oriUrl, ParserConfig paserConfig) => paserConfig.AppendUrlParams;
 
         public override string Process(string oriUrl, ParserConfig paserConfig)
         {
-            if (paserConfig.AppendUrlParams && oriUrl.StartsWith("http")) 
+            if (oriUrl.StartsWith("http")) 
             {
                 var uriFromConfig = new Uri(paserConfig.Url);
+                var uriFromConfigQuery = HttpUtility.ParseQueryString(uriFromConfig.Query);
+
                 var oldUri = new Uri(oriUrl);
-                var newQuery = (oldUri.Query.TrimStart('?') + "&" + uriFromConfig.Query.TrimStart('?')).Trim('&');
-                var sameLeft = oldUri.GetLeftPart(UriPartial.Path) == uriFromConfig.GetLeftPart(UriPartial.Path);
-                if (sameLeft && !oriUrl.Contains(uriFromConfig.Query))
+                var newQuery = HttpUtility.ParseQueryString(oldUri.Query);
+                foreach (var item in uriFromConfigQuery.AllKeys)
+                {
+                    if (newQuery.AllKeys.Contains(item))
+                        newQuery.Set(item, uriFromConfigQuery.Get(item));
+                    else
+                        newQuery.Add(item, uriFromConfigQuery.Get(item));
+                }
+
+                if (!string.IsNullOrEmpty(newQuery.ToString()))
                 {
                     Logger.Debug("Before: " + oriUrl);
-                    oriUrl = (oldUri.GetLeftPart(UriPartial.Path) + "?" + newQuery).TrimEnd('?');
+                    oriUrl = (oldUri.GetLeftPart(UriPartial.Path) + "?" + newQuery.ToString()).TrimEnd('?');
                     Logger.Debug("After: " + oriUrl);
                 }
             }