diff --git a/README.en.md b/README.en.md
index e05b9cd..6737172 100644
--- a/README.en.md
+++ b/README.en.md
@@ -87,6 +87,12 @@ This tools is for cleanup the unreference item, rename the player name, migrate
 >
 > Open `Level.sav` need to be on the SaveGames directory, or copied with `Players`, the editor will also reference to `Players` 's file for working, if you didn't may be corrupted the save file.
 
+
+> [!WARNING]
+>
+> Delete user, delete base camp, delete unreference item containers are beta feature, may be cause the server error. Please *anways* backup the file, if have any issue, please provide your `Level.sav` file to issues.
+
+
 > [!NOTE]
 > 
 > Without -o params, default save file is `Level_fixed.sav`
diff --git a/README.md b/README.md
index a33214f..1d81aa7 100644
--- a/README.md
+++ b/README.md
@@ -85,6 +85,10 @@ QQ群 139107098
 > 
 > 选择的 `Level.sav` 需要在游戏原存档目录下、或者连同 `Players` 一起复制的完整存档、程序会对 `Players` 下的存档文件同时进行操作，否则可能损坏存档。
 
+> [!WARNING]
+>
+> 删除用户、删除营地、清理未引用的物品库均为测试功能，有导致服务端闪退可能性，请 ***务必*** 进行备份，如碰到问题请提交您的存档到Issues。
+
 > [!NOTE]
 > 
 > 未加-o参数默认保存文件为`Level_fixed.sav`