diff --git a/Sirrene/DataJson.cs b/Sirrene/DataJson.cs
index eb1c40c..c04bafd 100644
--- a/Sirrene/DataJson.cs
+++ b/Sirrene/DataJson.cs
@@ -22,7 +22,6 @@ public class DataJson
     {
         public string Status { set; get; }
         public string Error { set; get; }
-        public bool IsDms { set; get; }
 
         public string VideoId { set; get; }
         public string Title { set; get; }
@@ -43,8 +42,6 @@ public class DataJson
         public bool IsWatchVideo { set; get; }
         public string Session_Uri { set; get; }
         public string Content_Uri { set; get; }
-        public string Heartbeat_Uri { set; get; }
-        public string Heartbeat_Data { set; get; }
         public string AccessRightKey { set; get; } //DMS only
 
         public DataJson(string videoid)
@@ -52,7 +49,6 @@ public DataJson(string videoid)
             this.VideoId = videoid;
             this.Status = null;
             this.Error = null;
-            this.IsDms = false;
 
             this.IsPremium = false;
             this.IsPeakTime = false;
@@ -65,14 +61,13 @@ public DataJson(string videoid)
             this.TagList = new List<string>();
             this.Session_Uri = null;
             this.Content_Uri = null;
-            this.Heartbeat_Uri = null;
 
         }
+
         public (bool result, string err) GetDataJson(JObject datajson)
         {
             var result = false;
             var err = "";
-            JToken delivery = null;
             JToken domand = null;
 
             try
@@ -99,75 +94,22 @@ public DataJson(string videoid)
                     return (result, err);
                 }
 
-                this.IsDms = false;
                 if (datajson["media"]["domand"] != null)
                 {
                     if (datajson["media"]["domand"].HasValues)
                     {
                         domand = datajson["media"]["domand"];
                         this.IsWatchVideo = true;
-                        this.IsDms = true;
                     }
                     else
                         this.IsWatchVideo = false;
                 }
-                if (!this.IsDms)
-                {
-                    if (datajson["media"]["delivery"] != null)
-                    {
-                        if (datajson["media"]["delivery"].HasValues)
-                        {
-                            delivery = datajson["media"]["delivery"];
-                            this.IsWatchVideo = true;
-                        }
-                        else
-                            this.IsWatchVideo = false;
-                    }
-                    else
-                    {
-                        err = "JSON data media domand/delivery not found.";
-                        return (result, err);
-                    }
-                }
 
                 this.IsEconomy = this.IsPeakTime;
                 if (this.IsPeakTime)
                     if (this.IsPremium)
-                    {
                         this.IsEconomy = false;
-                    }
-                    else
-                    {
-                        if (IsWatchVideo)
-                        {
-                            if (IsDms)
-                            {
-                            }
-                            else
-                            {
-                                if (delivery["movie"] != null)
-                                {
-                                    if ((bool)(delivery["movie"]["audios"][0]["isAvailable"]) &&
-                                        (bool)(delivery["movie"]["videos"][0]["isAvailable"]))
-                                        this.IsEconomy = false;
-                                }
-                            }
-
-                        }
-                    }
-                if (IsWatchVideo)
-                    if (IsDms)
-                    {
-                    }
-                    else
-                    {
-                        if (delivery["encryption"] != null &&
-                                delivery["encryption"].HasValues)
-                        {
-                            this.IsEncrypt = true;
-                            this.IsWatchVideo = false;
-                        }
-                    }
+
                 if (datajson["video"] != null)
                 {
                     this.Title = (string)datajson["video"]["title"];
@@ -258,148 +200,6 @@ public DataJson(string videoid)
             return (result, err);
         }
 
-        public (string result, string err) MakeDmcSession(JObject datajson)
-        {
-            var result = "";
-            var err = "";
-            JToken session = null;
-            StringBuilder sb = new StringBuilder();
-
-            try
-            {
-                if (datajson["media"]["delivery"] != null)
-                {
-                    if (datajson["media"]["delivery"].HasValues)
-                        session = datajson["media"]["delivery"]["movie"]["session"];
-                }
-                else
-                {
-                    err = "JSON data media delivery not found.";
-                    return (result, err);
-                }
-
-                var recipe_id = (string)session["recipeId"];
-                var player_id = (string)session["playerId"];
-                var content_id = (string)session["contentId"];
-                var lifetime = session["heartbeatLifetime"].ToString();
-                var timeout = session["contentKeyTimeout"].ToString();
-                var priority = session["priority"].ToString();
-                var token = ((string)session["token"]).Replace("\"", "\\\"");
-                var signature = (string)session["signature"];
-                var user_id = (string)session["serviceUserId"];
-                var videos = session["videos"].ToString();
-                var audios = session["audios"].ToString();
-                this.Session_Uri = session["urls"][0]["url"].ToString();
-
-                sb.Append("{");
-                sb.Append("  \"session\": {");
-                sb.Append("    \"recipe_id\": \"" + recipe_id + "\",");
-                sb.Append("    \"content_id\": \"" + content_id + "\",");
-                sb.Append("    \"content_type\": \"movie\",");
-                sb.Append("    \"content_src_id_sets\": [");
-                sb.Append("      {");
-                sb.Append("        \"content_src_ids\": [");
-                sb.Append("          {");
-                sb.Append("            \"src_id_to_mux\": {");
-                sb.Append("              \"video_src_ids\": ");
-                sb.Append("              " + videos);
-                sb.Append("              ,");
-                sb.Append("              \"audio_src_ids\": ");
-                sb.Append("              " + audios);
-                sb.Append("              ");
-                sb.Append("            }");
-                sb.Append("          }");
-                sb.Append("        ]");
-                sb.Append("      }");
-                sb.Append("    ],");
-                sb.Append("    \"timing_constraint\": \"unlimited\",");
-                sb.Append("    \"keep_method\": {");
-                sb.Append("      \"heartbeat\": {");
-                sb.Append("        \"lifetime\": " + lifetime);
-                sb.Append("      }");
-                sb.Append("    },");
-                sb.Append("    \"protocol\": {");
-                sb.Append("      \"name\": \"http\",");
-                sb.Append("      \"parameters\": {");
-                sb.Append("        \"http_parameters\": {");
-                sb.Append("          \"parameters\": {");
-                sb.Append("            \"hls_parameters\": {");
-                sb.Append("              \"use_well_known_port\": \"yes\",");
-                sb.Append("              \"use_ssl\": \"yes\",");
-                sb.Append("              \"transfer_preset\": \"\",");
-                sb.Append("              \"segment_duration\": 6000");
-                sb.Append("            }");
-                sb.Append("          }");
-                sb.Append("        }");
-                sb.Append("      }");
-                sb.Append("    },");
-                sb.Append("    \"content_uri\": \"\",");
-                sb.Append("    \"session_operation_auth\": {");
-                sb.Append("      \"session_operation_auth_by_signature\": {");
-                sb.Append("        \"token\": \"" + token + "\",");
-                sb.Append("        \"signature\": \"" + signature + "\"");
-                sb.Append("      }");
-                sb.Append("    },");
-                sb.Append("    \"content_auth\": {");
-                sb.Append("      \"auth_type\": \"ht2\",");
-                sb.Append("      \"content_key_timeout\": " + timeout + ",");
-                sb.Append("      \"service_id\": \"nicovideo\",");
-                sb.Append("      \"service_user_id\": \"" + user_id + "\"");
-                sb.Append("    },");
-                sb.Append("    \"client_info\": {");
-                sb.Append("      \"player_id\": \"" + player_id + "\"");
-                sb.Append("    },");
-                sb.Append("    \"priority\": " + priority);
-                sb.Append("  }");
-                sb.Append("}");
-
-                result = sb.ToString();
-                var obj = JsonConvert.DeserializeObject(result);
-                result = JsonConvert.SerializeObject(obj, Formatting.None);
-            }
-            catch (Exception Ex) //その他のエラー
-            {
-                DebugWrite.Writeln(nameof(MakeDmcSession), Ex);
-                err = Ex.Message;
-                result = sb.ToString();
-                return (result, err);
-            }
-            return (result, err);
-        }
-
-        public (bool result, string err) GetDmcContentUri(JObject session_json)
-        {
-            var result = false;
-            var err = "";
-            this.Content_Uri = null;
-
-            try
-            {
-                if (session_json["data"] != null)
-                {
-                    this.Content_Uri = (string)session_json["data"]["session"]["content_uri"];
-                    this.Heartbeat_Uri = this.Session_Uri + "/" +
-                        (string)session_json["data"]["session"]["id"] +
-                        "?_format=json&_method=PUT";
-                    var obj = JsonConvert.DeserializeObject(session_json["data"].ToString());
-                    this.Heartbeat_Data = JsonConvert.SerializeObject(obj, Formatting.None);
-
-                    result = true;
-                }
-                else
-                {
-                    err = "content_uri not found.";
-                }
-            }
-            catch (Exception Ex) //その他のエラー
-            {
-                DebugWrite.Writeln(nameof(GetDmcContentUri), Ex);
-                err = Ex.Message;
-                return (result, err);
-            }
-            return (result, err);
-        }
-
         public (bool result, string err) GetDmsContentUri(JObject session_json)
         {
             var result = false;
diff --git a/Sirrene/Form1.cs b/Sirrene/Form1.cs
index 9da0786..3d37373 100644
--- a/Sirrene/Form1.cs
+++ b/Sirrene/Form1.cs
@@ -260,23 +260,14 @@ public async void Start_DL()
                     return;
                 }
                 if (djs.IsPremium)
-                        AddLog("Premium Account", 1);
-                    else
-                        AddLog("Normal Account", 1);
+                    AddLog("Premium Account", 1);
+                else
+                    AddLog("Normal Account", 1);
                 if (djs.IsPeakTime)
                     AddLog("PeakTime(Economy Time)", 1);
                 else
                     AddLog("No PeakTime(Not Econmy Time)", 1);
-                if (djs.IsDms)
-                    AddLog("新サーバー(DMS)を使用します。", 1);
-                else
-                    AddLog("旧サーバー(DMC)を使用します。", 1);
-                if (djs.IsEconomy)
-                    AddLog("エコノミー動画をダウンロードします。", 1);
-                else
-                    AddLog("通常動画をダウンロードします。", 1);
-                if (djs.IsEncrypt)
-                        AddLog("暗号化された動画です。", 1);
+                AddLog("新サーバー(DMS)を使用します。", 1);
                 if (!djs.IsWatchVideo)
                     AddLog("動画がダウンロードできません。", 1);
 
@@ -289,20 +280,11 @@ public async void Start_DL()
                 epi.Sfolder = djs.SetRecFolderFormat(props.SaveFolder);
                 epi.Protocol = "hls";
                 epi.Seq = 0;
-                ExecPsInfo.MakeRecDir(epi);
+                //ExecPsInfo.MakeRecDir(epi);
                 AddLog("Genre: " + djs.Genre, 1);
                 AddLog("TAG(" + djs.TagList.Count + ")" , 1);
+                epi.SaveFile = ExecPsInfo.GetSaveFileSqlite3(epi) + epi.Ext;
 
-                if (props.UseExternal == UseExternal.native)
-                {
-                    var file = ExecPsInfo.GetSaveFileSqlite3(epi);
-                    file += ".sqlite3";
-                    epi.SaveFile = file;
-                    _ndb = new NicoDb(this, epi.SaveFile);
-                    _ndb.CreateDbAll();
-
-                    //_ndb.WriteDbKvsProps(djs.Data_Props);
-                }
                 AddLog("File: "+epi.SaveFile, 9);
                 EnableButton(false);
 
@@ -330,79 +312,40 @@ public async void Start_DL()
 
                 // Session作成
                 String session = "";
-                if (djs.IsDms)
-                    (session, err) = djs.MakeDmsSession(dataJson);
-                else
-                    (session, err) = djs.MakeDmcSession(dataJson);
+                (session, err) = djs.MakeDmsSession(dataJson);
                 if (!string.IsNullOrEmpty(session))
                 {
                     if (!string.IsNullOrEmpty(err))
                     {
-                        if (djs.IsDms)
-                            AddLog("MakeDmsSession Error: " + err, 1);
-                        else
-                            AddLog("MakeDmcSession Error: " + err, 1);
+                        AddLog("MakeDmsSession Error: " + err, 1);
                         return;
                     }
                     AddSession(JObject.Parse(session).ToString());
                 }
                 // SessionをapiにPOST
-                if (djs.IsDms)
+                AddLog("Send PostDmsSession", 1);
+                (sessionJson, err, neterr) = await nvn.PostNicoDmsSessionAsync(cookiecontainer, djs.Session_Uri, session, djs.AccessRightKey);
+                if (!string.IsNullOrEmpty(err))
                 {
-                    AddLog("Send PostDmsSession", 1);
-                    (sessionJson, err, neterr) = await nvn.PostNicoDmsSessionAsync(cookiecontainer, djs.Session_Uri, session, djs.AccessRightKey);
-                    if (!string.IsNullOrEmpty(err))
-                    {
-                        AddLog("Send PostDmsSession Error: " + err + "(" + neterr + ")", 1);
-                    }
-                    else
-                    {
-                        if (sessionJson["meta"] != null)
-                        {
-                            var msg = (string)sessionJson["meta"]["message"] +
-                                "(" + sessionJson["meta"]["status"].ToString() + ")";
-                            AddLog("Send PostDmsSession " + msg, 9);
-                        }
-                        AddSession("\r\nResponse:\r\n" + sessionJson.ToString());
-                        (flg, err) = djs.GetDmsContentUri(sessionJson);
-                        if (flg)
-                        {
-                            AddLog("Content_Uri: " + djs.Content_Uri, 9);
-                        }
-                        else
-                        {
-                            AddLog("Content_Uri Error: " + err, 1);
-                        }
-                    }
+                    AddLog("Send PostDmsSession Error: " + err + "(" + neterr + ")", 1);
                 }
                 else
                 {
-                    AddLog("Send PostDmcSession", 1);
-                    (sessionJson, err, neterr) = await nvn.PostNicoDmcSessionAsync(cookiecontainer, djs.Session_Uri + "?_format=json", session);
-                    if (!string.IsNullOrEmpty(err))
+                    if (sessionJson["meta"] != null)
                     {
-                        AddLog("Send PostDmcSession Error: " + err + "(" + neterr + ")", 1);
+                        var msg = (string)sessionJson["meta"]["message"] +
+                            "(" + sessionJson["meta"]["status"].ToString() + ")";
+                        AddLog("Send PostDmsSession " + msg, 9);
+                    }
+                    AddSession("\r\nResponse:\r\n" + sessionJson.ToString());
+                    (flg, err) = djs.GetDmsContentUri(sessionJson);
+                    if (flg)
+                    {
+                        AddLog("Content_Uri: " + djs.Content_Uri, 9);
                     }
                     else
                     {
-                        if (sessionJson["meta"] != null)
-                        {
-                            var msg = (string)sessionJson["meta"]["message"] +
-                                "(" + sessionJson["meta"]["status"].ToString() + ")";
-                            AddLog("Send PostDmcSession " + msg, 9);
-                        }
-                        AddSession("\r\nResponse:\r\n" + sessionJson.ToString());
-                        (flg, err) = djs.GetDmcContentUri(sessionJson);
-                        if (flg)
-                        {
-                            AddLog("Content_Uri: " + djs.Content_Uri, 9);
-                            AddLog("Heartbeat_Uri: " + djs.Heartbeat_Uri, 9);
-                            //AddSession("\r\nHeartbeat:\r\n" + djs.Heartbeat_Data);
-                        }
-                        else
-                        {
-                            AddLog("Content_Uri Error: " + err, 1);
-                        }
+                        AddLog("Content_Uri Error: " + err, 1);
                     }
                 }
 
@@ -411,26 +354,23 @@ public async void Start_DL()
                 rti.Count = 3;
 
                 //DEBUG
-                if (djs.IsDms)
+                AddLog("Get NicoMasterDms", 1);
+                AddSession("\r\nMaster.m3u8:\r\n");
+                string data;
+                (data, err, neterr) = await nvn.GetNicoMasterDmsAsync(cookiecontainer, djs.Content_Uri);
+                if (!string.IsNullOrEmpty(err))
                 {
-                    AddLog("Get NicoMasterDms", 1);
-                    AddSession("\r\nMaster.m3u8:\r\n");
-                    string data;
-                    (data, err, neterr) = await nvn.GetNicoMasterDmsAsync(cookiecontainer, djs.Content_Uri);
-                    if (!string.IsNullOrEmpty(err))
-                    {
-                        AddLog("GetNicoMasterDmsAsync Error: " + err + "(" + neterr + ")", 1);
-                    }
-                    else
-                    {
-                        AddLog("GetNicoMasterDmsAsync", 1);
-                    }
-                    AddSession(data);
-
-                    End_DL(0);
-                    return;
+                    AddLog("GetNicoMasterDmsAsync Error: " + err + "(" + neterr + ")", 1);
                 }
+                else
+                {
+                    AddLog("GetNicoMasterDmsAsync", 1);
+                }
+                AddSession(data);
 
+                End_DL(0);
+
+/*
                 //動画ダウンロード
                 IsStart_flg = true;
                 IsBreak_flg = false;
@@ -491,6 +431,7 @@ public async void Start_DL()
                     End_DL(0);
                     await Task.Run(() => StartExtract(epi.SaveFile));
                 }
+                */
 
                 return;
             } // try
diff --git a/Sirrene/Net/NicoVideoNet.cs b/Sirrene/Net/NicoVideoNet.cs
index 780b497..58576c4 100644
--- a/Sirrene/Net/NicoVideoNet.cs
+++ b/Sirrene/Net/NicoVideoNet.cs
@@ -469,6 +469,7 @@ public static string GetNicoPageUrl(string videoID)
             return (data, err, neterr);
         }
 
+        /*
         public async Task<(string data, string err, int neterr)> GetNicoCrossDomainAsync(CookieContainer cookie, string url)
         {
             string data = null;
@@ -575,6 +576,7 @@ public static string GetNicoPageUrl(string videoID)
 
             return (data, err, neterr);
         }
+        */
 
     }
 }
diff --git a/Sirrene/Prop/Version.cs b/Sirrene/Prop/Version.cs
index 5d334a3..737ecbc 100644
--- a/Sirrene/Prop/Version.cs
+++ b/Sirrene/Prop/Version.cs
@@ -4,8 +4,8 @@ namespace Sirrene.Prop
 {
     public class Ver
     {
-        public static readonly string Version = "0.1.0.08";
-        public static readonly string VerDate = "2024/01/27";
+        public static readonly string Version = "0.1.0.09";
+        public static readonly string VerDate = "2024/05/26";
 
         public static string GetFullVersion()
         {