diff --git a/main.py b/main.py
index 7ed3c5e..acd0a88 100644
--- a/main.py
+++ b/main.py
@@ -32,7 +32,7 @@ command_list = {
     "switch_slow": "..\\git\\bin\\git switch -f slow",
     "reset_fast": "..\\git\\bin\\git reset --hard origin/fast",
     "reset_slow": "..\\git\\bin\\git reset --hard origin/slow",
-    "pip_install": "..\\python\\Scripts\\pip install -i https://mirror.sjtu.edu.cn/pypi/web/simple -r requirements.txt --no-warn-script-location",
+    "pip_install": "..\\python\\Scripts\\pip install --no-cache-dir -i https://mirror.sjtu.edu.cn/pypi/web/simple -r requirements.txt --no-warn-script-location",
     "webview": "start ..\\python\\pythonw webview_ui.py",
     "manager": "start ..\\python\\pythonw manager.py",
 }