diff --git a/script/tool/install.bat b/script/tool/install.bat
index a948475..52f0b84 100644
--- a/script/tool/install.bat
+++ b/script/tool/install.bat
@@ -1,2 +1,2 @@
-pip install --upgrade pip
-pip install "psycopg[binary]"
+pip install --upgrade pip -i https://pypi.tuna.tsinghua.edu.cn/simple
+pip install "psycopg[binary]" -i https://pypi.tuna.tsinghua.edu.cn/simple