diff --git a/MMOTestServer/MMOserver/Game/Channel/ChannelManager.cs b/MMOTestServer/MMOserver/Game/Channel/ChannelManager.cs
index 5862f3a..b5ad26c 100644
--- a/MMOTestServer/MMOserver/Game/Channel/ChannelManager.cs
+++ b/MMOTestServer/MMOserver/Game/Channel/ChannelManager.cs
@@ -47,8 +47,11 @@ public class ChannelManager
 
     public bool RemoveUser(long userId)
     {
-        // 채널 있으면
-        int channelId = connectUsers[userId];
+        // 채널에 없는 유저면 스킵
+        if (!connectUsers.TryGetValue(userId, out int channelId))
+        {
+            return false;
+        }
 
         // 날린다.
         if (channelId >= 0)