diff --git a/Makefile b/Makefile
index a92ddf52..5a7f463c 100644
--- a/Makefile
+++ b/Makefile
@@ -3,7 +3,7 @@ CC=g++.exe
 args=-fexec-charset=GBK -std=gnu++23 -Wall -Wextra -pipe -m64 -DNDEBUG -static -Os -flto -o
 tag=std
 arch=x86_64
-version=v5.9.0
+version=v5.9.1
 .PHONY:init build clean
 init:
 	$(msys2)\\usr\\bin\\pacman.exe -Syyu --noconfirm --needed\
diff --git a/README.md b/README.md
index ab2d3b5d..f5f8e264 100644
--- a/README.md
+++ b/README.md
@@ -4,8 +4,8 @@
 
 # 获取
 
-**最新发行版: v5.9.0.**\
-**[更新日志](https://github.com/MaxLHy0424/CRCSN/releases/tag/v5.9.0) | [直链下载](https://github.com/MaxLHy0424/CRCSN/releases/download/v5.9.0/CRCSN.7z)**
+**最新发行版: v5.9.1.**\
+**[更新日志](https://github.com/MaxLHy0424/CRCSN/releases/tag/v5.9.1) | [直链下载](https://github.com/MaxLHy0424/CRCSN/releases/download/v5.9.1/CRCSN.7z)**
 
 或者:
 
@@ -17,7 +17,7 @@
 **使用 CRCSN 时建议关闭防病毒软件. 若 CRCSN 被报为恶意软件, 请添加排除项.**
 
 > [!NOTE]
-> 适用于 v5.9.0.
+> 适用于 v5.9.1.
 
 ## 1 启动
 
@@ -109,7 +109,7 @@ CRCSN 使用 [MIT License](LICENSE), 详细内容请自行阅读.
 # 二次开发
 
 > [!NOTE]
-> 适用于 v5.9.0.
+> 适用于 v5.9.1.
 
 非常欢迎大家二次开发 CRCSN!
 
diff --git a/launcher.cmd b/launcher.cmd
index 4057a33a..be4c454c 100644
--- a/launcher.cmd
+++ b/launcher.cmd
@@ -7,7 +7,7 @@ title %config.windowTitle%
 mode con cols=50 lines=25
 cd /d "%~dp0"
 sbootIt item.tag=std
-set bootItem.version=v5.9.0
+set bootItem.version=v5.9.1
 set bootItem.arch=x86_64
 set bootItem.runtime=ucrt
 set bootItem.args=
diff --git a/src/def.hpp b/src/def.hpp
index 280e5527..f692f73d 100644
--- a/src/def.hpp
+++ b/src/def.hpp
@@ -4,7 +4,6 @@
 #define _ANSI
 #define ANSI
 #define WINDOW_TITLE "CRCSN"
-#define _THE_NEXT_UPDATE_
 #include<stdio.h>
 #ifdef _THE_NEXT_UPDATE_
 #include<fstream>
@@ -16,7 +15,7 @@
 #include<shlobj.h>
 #endif
 #define INFO_NAME "Computer Room Control Software Nemesis"
-#define INFO_VERSION "v5.9.0"
+#define INFO_VERSION "v5.9.1"
 #define INFO_REPO_URL "https://github.com/MaxLHy0424/CRCSN"
 #define INFO_DEVELOPER "MaxLHy0424"
 #define INFO_LICENSE "MIT License"
\ No newline at end of file