diff --git a/gdrust/server/src/connection.rs b/gdrust/server/src/connection.rs
index 2526991..dc8954e 100644
--- a/gdrust/server/src/connection.rs
+++ b/gdrust/server/src/connection.rs
@@ -1,9 +1,8 @@
-use std::io::Cursor;
-
 use anyhow::anyhow;
 use bytes::BytesMut;
 use prost::Message;
 use proto::{connect, ProtoRequest};
+use std::io::Cursor;
 use tokio::{io::AsyncReadExt, net::TcpStream, sync::broadcast};
 
 pub struct Connection {
diff --git a/gdrust/server/src/lib.rs b/gdrust/server/src/lib.rs
index 4789e92..f38ccbb 100644
--- a/gdrust/server/src/lib.rs
+++ b/gdrust/server/src/lib.rs
@@ -1,21 +1,13 @@
 mod cfg;
 mod connection;
 
-use anyhow::anyhow;
-use bytes::BytesMut;
 use cfg::{DEFAULT_IP, DEFAULT_PORT};
 use clap::Parser;
 use connection::Connection;
-use prost::Message;
-use proto::{connect::Join, ProtoRequest};
-use std::{
-    error::Error,
-    io::{Cursor, Write},
-    process::exit,
-};
+use std::{collections::HashMap, error::Error, io::Write, process::exit};
 use tokio::{
-    io::{self, AsyncBufReadExt, AsyncReadExt, BufReader},
-    net::{TcpListener, TcpStream},
+    io::{self, AsyncBufReadExt, BufReader},
+    net::TcpListener,
     select,
     sync::broadcast,
 };
@@ -26,6 +18,7 @@ struct Server {
     port: usize,
     bind_addr: String,
     tcplistener: TcpListener,
+    connections: HashMap<usize, Connection>,
 }
 
 impl Server {
@@ -45,6 +38,7 @@ impl Server {
             port,
             bind_addr,
             tcplistener,
+            connections: HashMap::new(),
         })
     }
 
@@ -60,7 +54,7 @@ impl Server {
                     Ok((socket, _)) => {
                         let shutdown = shutdown_sender.subscribe();
                         log::info!("Connected to a socket");
-                        tokio::spawn(async move {
+                        tokio::spawn(async {
                             let mut connection = Connection::new(shutdown, socket);
                             if let Err(e) = connection.start().await {
                                 log::error!("When processing a request:{}", e)
diff --git a/gdrust/src/multi.rs b/gdrust/src/multi.rs
index e51b348..ec35b78 100644
--- a/gdrust/src/multi.rs
+++ b/gdrust/src/multi.rs
@@ -1,4 +1,4 @@
-use crate::{get_multi_single, get_tokio_runtime, MultiSingle};
+use crate::get_tokio_runtime;
 use ::proto::ProtoRequest;
 use anyhow::anyhow;
 use bytes::{Bytes, BytesMut};
@@ -6,7 +6,6 @@ use godot::classes::{INode, Node};
 use godot::prelude::*;
 use prost::Message;
 use proto::connect::Join;
-use std::mem::swap;
 use std::process::{Child, Command};
 use tokio::io::{AsyncReadExt, AsyncWriteExt};
 use tokio::net::tcp::{OwnedReadHalf, OwnedWriteHalf};
diff --git a/gdrust/src/ui/multi_setup.rs b/gdrust/src/ui/multi_setup.rs
index c28a80e..7d0e191 100644
--- a/gdrust/src/ui/multi_setup.rs
+++ b/gdrust/src/ui/multi_setup.rs
@@ -83,6 +83,9 @@ impl MultiSetup {
 impl Drop for MultiSetup {
     fn drop(&mut self) {
         let tmp = self.receiver.take();
+        if tmp.is_none() {
+            return;
+        }
         get_multi_single()
             .lock()
             .unwrap()
diff --git a/scenes/fight.tscn b/scenes/fight.tscn
index 8854e50..12a936c 100644
--- a/scenes/fight.tscn
+++ b/scenes/fight.tscn
@@ -71,6 +71,9 @@ texture = ExtResource("3_2spkb")
 
 [node name="StarWrath" parent="." instance=ExtResource("4_8ipx5")]
 
+[node name="EnchantedSword" parent="." instance=ExtResource("13_1n0f0")]
+rotation = 0.710345
+
 [node name="Player" type="Player" parent="."]
 position = Vector2(570, 414)
 scale = Vector2(0.2, 0.2)
@@ -205,10 +208,6 @@ position = Vector2(500, 530)
 scale = Vector2(1.2, 1.2)
 texture = ExtResource("12_sm4t8")
 
-[node name="EnchantedSword" parent="." instance=ExtResource("13_1n0f0")]
-rotation = 0.710345
-enchanted_beam = null
-
 [node name="CategoryPanel" type="Sprite2D" parent="."]
 position = Vector2(41, 35)
 texture = ExtResource("14_miw1s")