diff --git a/run.bat b/run.bat
index c0fd81324..659a7545a 100644
--- a/run.bat
+++ b/run.bat
@@ -1,6 +1,10 @@
 @ECHO OFF
 chcp 65001
-python -m venv venv
-call venv\Scripts\activate.bat
-pip install -i https://mirrors.tuna.tsinghua.edu.cn/pypi/web/simple --upgrade -r requirements.txt
+if not exist "venv" (
+  python -m venv venv
+  call venv\Scripts\activate.bat
+  pip install -i https://mirrors.tuna.tsinghua.edu.cn/pypi/web/simple --upgrade -r requirements.txt
+  ) else (
+  call venv\Scripts\activate.bat
+)
 python run.py
\ No newline at end of file