diff --git a/README.md b/README.md
index 04796bb..e424f1e 100644
--- a/README.md
+++ b/README.md
@@ -54,3 +54,5 @@ game/
 除 `autoload` 目录下的单例脚本使用大驼峰式命名，其余脚本均应使用小蛇形式命令。所有节点均应使用大驼峰式命名。
 
 除连接了信号或 HTTPRequest、MultiplayerAPI 的函数外，任何函数都不应该以下划线（`_`）开头。
+
+函数之间只需间隔一行，无需间隔两行。
diff --git a/scripts/autoload/MultiGame.gd b/scripts/autoload/MultiGame.gd
index dfdc699..6f7dc69 100644
--- a/scripts/autoload/MultiGame.gd
+++ b/scripts/autoload/MultiGame.gd
@@ -16,10 +16,18 @@ func create_server(playern: int) -> void:
 		return
 	multiplayer.multiplayer_peer = peer
 	multiplayer.peer_connected.connect(_on_peer_connected)
+	multiplayer.peer_disconnected.connect(_on_peer_disconnected)
 
 func create_client(ip: String) -> void:
 	peer.create_client(ip, 8989)
 	multiplayer.multiplayer_peer = peer
 
-func _on_peer_connected(id: int):
-	pass
\ No newline at end of file
+func _on_peer_connected(id: int) -> void:
+	players.append(id)
+
+func _on_peer_disconnected(id: int) -> void:
+	for i in range(players.size()):
+		if players[i] == id:
+			players.pop_at(i)
+			break
+