diff --git a/download_resource.bat b/download_resource.bat
index 22b2587..7402b42 100644
--- a/download_resource.bat
+++ b/download_resource.bat
@@ -18,7 +18,7 @@ REM 创建基本目录结构
 @CALL mkdir resource\PIXIE\data 2>nul
 
 @CALL python -m pip install --upgrade pip
-@CALL python -m pip install gdown wget
+@CALL python -m pip install py7zr gdown wget
 
 echo "Downloading NeuralHaircut..."
 @CALL cd resource\NeuralHaircut
diff --git a/fetch_model.bat b/fetch_model.bat
index 3517dd6..f77fc71 100644
--- a/fetch_model.bat
+++ b/fetch_model.bat
@@ -2,7 +2,8 @@
 @echo off
 setlocal EnableDelayedExpansion
 
-python -m pip install 7zip
+@CALL python -m pip install --upgrade pip
+@CALL python -m pip install py7zr gdown wget
 
 :: URL encode function
 :urlencode