diff --git a/README.md b/README.md
index a689338..3734046 100644
--- a/README.md
+++ b/README.md
@@ -19,4 +19,6 @@ wget http://7xls9k.dl1.z0.glb.clouddn.com/tale-cli
 ./tale-cli log   : 查看当前tale日志
 ./tale-cli status: 查看当前tale状态
 ./tale-cli upgrade: 升级tale版本，会自动帮你备份
-```
\ No newline at end of file
+```
+
+> 备份的文件在当前目录下形如 `tale_backup_201709109281.zip`