diff --git a/Runtime/IMessageSender.cs b/Runtime/IMessageSender.cs
index 4288ba3..5ef0d33 100644
--- a/Runtime/IMessageSender.cs
+++ b/Runtime/IMessageSender.cs
@@ -56,6 +56,11 @@ namespace DofLibrary
         /// </summary>
         void AllLevelEnd(float timeSpent);
 
+        /// <summary>
+        /// 发送 玩家中途离开房间 消息
+        /// </summary>
+        void PlayerLeave();
+        
         /// <summary>
         /// 发送心跳包
         /// </summary>