diff --git a/MMOTestServer/MMOserver/Api/RestApi.cs b/MMOTestServer/MMOserver/Api/RestApi.cs
index 98132c3..97ee7ca 100644
--- a/MMOTestServer/MMOserver/Api/RestApi.cs
+++ b/MMOTestServer/MMOserver/Api/RestApi.cs
@@ -135,13 +135,13 @@ public class RestApi : Singleton<RestApi>
     // 성공 시 BossRaidResult 반환, 실패/거절 시 null 반환
     public async Task<BossRaidResult?> BossRaidAccesssAsync(List<string> userNames, int bossId)
     {
-        string url = AppConfig.RestApi.BaseUrl + "/api/internal/bossraid/entry";
+        string url = AppConfig.RestApi.BaseUrl + AppConfig.RestApi.BossRaidAccess;
 
         for (int attempt = 1; attempt <= MAX_RETRY; attempt++)
         {
             try
             {
-                HttpResponseMessage response = await httpClient.PostAsJsonAsync(url, new { usernames = userNames, bossId });
+                HttpResponseMessage response = await httpClient.PostAsJsonAsync(url, new { usernames = userNames, bossId = bossId });
 
                 // 401: API 키 인증 실패
                 if (response.StatusCode == HttpStatusCode.Unauthorized)
@@ -232,6 +232,6 @@ public class RestApi : Singleton<RestApi>
         {
             get;
             set;
-        }
+        } = new();
     }
 }
diff --git a/MMOTestServer/MMOserver/Config/AppConfig.cs b/MMOTestServer/MMOserver/Config/AppConfig.cs
index f93fad7..5009eb0 100644
--- a/MMOTestServer/MMOserver/Config/AppConfig.cs
+++ b/MMOTestServer/MMOserver/Config/AppConfig.cs
@@ -30,9 +30,15 @@ public sealed class ServerConfig
         get;
     }
 
+    public int ChannelCount
+    {
+        get;
+    }
+
     public ServerConfig(IConfigurationSection section)
     {
         Port = int.Parse(section["Port"] ?? throw new InvalidOperationException("Server:Port is required in config.json"));
+        ChannelCount =  int.Parse(section["ChannelCount"] ?? "1");
     }
 }
 
@@ -48,6 +54,11 @@ public sealed class RestApiConfig
         get;
     }
 
+    public string BossRaidAccess
+    {
+        get;
+    }
+
     public string ApiKey
     {
         get;
@@ -57,6 +68,7 @@ public sealed class RestApiConfig
     {
         BaseUrl = section["BaseUrl"] ?? throw new InvalidOperationException("RestApi:BaseUrl is required in config.json");
         VerifyToken = section["VerifyToken"] ?? throw new InvalidOperationException("RestApi:BaseUrl is required in config.json");
+        BossRaidAccess = section["BossRaidAccess"] ?? throw new InvalidOperationException("RestApi:BaseUrl is required in config.json");
         ApiKey = section["ApiKey"] ?? throw new InvalidOperationException("RestApi:ApiKey is required in config.json");
     }
 }
diff --git a/MMOTestServer/MMOserver/Game/Channel/ChannelManager.cs b/MMOTestServer/MMOserver/Game/Channel/ChannelManager.cs
index 3e6e6a8..905535a 100644
--- a/MMOTestServer/MMOserver/Game/Channel/ChannelManager.cs
+++ b/MMOTestServer/MMOserver/Game/Channel/ChannelManager.cs
@@ -1,4 +1,5 @@
 using LiteNetLib;
+using MMOserver.Config;
 using MMOserver.Utils;
 
 namespace MMOserver.Game.Channel;
@@ -8,16 +9,12 @@ public class ChannelManager : Singleton<ChannelManager>
     // 채널 관리
     private Dictionary<int, Channel> channels = new Dictionary<int, Channel>();
 
-    // 보스 레이드 채널
-    private readonly int bossChannelStart = 10000;
-    private readonly int bossChannelSize = 10;
-
     // 채널별 유저 관리 (유저 key, 채널 val)
     private Dictionary<int, int> connectUsers = new Dictionary<int, int>();
 
     public ChannelManager()
     {
-        Initializer();
+        Initializer(AppConfig.Server.ChannelCount);
     }
 
     public void Initializer(int channelSize = 1)
@@ -26,13 +23,6 @@ public class ChannelManager : Singleton<ChannelManager>
         {
             channels.Add(i, new Channel(i));
         }
-
-        // 보스 채널 생성
-        for (int i = 1; i <= bossChannelSize; i++)
-        {
-            int bossChannel = i + bossChannelStart;
-            channels.Add(bossChannel, new Channel(bossChannel));
-        }
     }
 
     public Channel GetChannel(int channelId)
diff --git a/MMOTestServer/MMOserver/Game/GameServer.cs b/MMOTestServer/MMOserver/Game/GameServer.cs
index 4388dd1..0c8dfed 100644
--- a/MMOTestServer/MMOserver/Game/GameServer.cs
+++ b/MMOTestServer/MMOserver/Game/GameServer.cs
@@ -122,7 +122,7 @@ public class GameServer : ServerBase
         {
             // 신규 연결: 웹서버에 JWT 검증 요청
             string? username = await RestApi.Instance.VerifyTokenAsync(token);
-            if (username == null)
+            if (username == null || username.Trim().Length <= 0)
             {
                 Log.Warning("[Server] 토큰 검증 실패 - 연결 거부 PeerId={Id}", peer.Id);
                 userUuidGenerator.Release(hashKey);
@@ -1114,7 +1114,11 @@ public class GameServer : ServerBase
         List<string> userNames = new List<string>();
         foreach (int memberId in party.PartyMemberIds)
         {
-            userNames.Add(channel.GetPlayer(memberId).Nickname);
+            Player? memberPlayer = channel.GetPlayer(memberId);
+            if (memberPlayer != null)
+            {
+                userNames.Add(memberPlayer.Nickname);
+            }
         }
 
         BossRaidResult? result = await RestApi.Instance.BossRaidAccesssAsync(userNames, 1);
diff --git a/MMOTestServer/MMOserver/config.json b/MMOTestServer/MMOserver/config.json
index 569a4d8..16f27fd 100644
--- a/MMOTestServer/MMOserver/config.json
+++ b/MMOTestServer/MMOserver/config.json
@@ -1,10 +1,12 @@
 {
   "Server": {
-    "Port": 9500
+    "Port": 9500,
+    "ChannelCount": 5
   },
   "RestApi": {
     "BaseUrl": "https://a301.api.tolelom.xyz",
     "VerifyToken": "/api/internal/auth/verify",
+    "BossRaidAccess": "/api/internal/bossraid/entry",
     "ApiKey": "017f15b28143fc67d2e5bed283c37d2da858b9f294990a5334238e055e3f5425"
   },
   "Database": {