diff --git a/.github/workflows/build-windows-full.yml b/.github/workflows/build-windows-full.yml
index b52d082..16c8620 100644
--- a/.github/workflows/build-windows-full.yml
+++ b/.github/workflows/build-windows-full.yml
@@ -39,6 +39,7 @@ jobs:
       # 第 6 步: 运行 PyInstaller
       - name: Build the application with PyInstaller
         run: |
+          uv pip install pyinstaller
           uv run pyinstaller full.spec --noconfirm
 
       # 第 7 步: 上传 exe 文件作为构建产物