diff --git a/zinx_app_demo/mmo_game/server.go b/zinx_app_demo/mmo_game/server.go
index 3158b14..d1a4631 100644
--- a/zinx_app_demo/mmo_game/server.go
+++ b/zinx_app_demo/mmo_game/server.go
@@ -41,7 +41,7 @@ func OnConnectionLost(conn ziface.IConnection) {
 	player := core.WorldMgrObj.GetPlayerByPID(pID.(int32))
 
 	//触发玩家下线业务
-	if pID != nil {
+	if player != nil {
 		player.LostConnection()
 	}