diff --git a/.gitea/workflows/build.yml b/.gitea/workflows/build.yml
index 3e36d9b..65420e2 100644
--- a/.gitea/workflows/build.yml
+++ b/.gitea/workflows/build.yml
@@ -35,30 +35,34 @@ jobs:
     steps:
       - uses: actions/checkout@v4
       
-      - name: Build Windows executable (Robust Cross-Compile)
+      - name: Build Windows executable (Self-Built Environment)
         run: |
+          # 1. Create a local Dockerfile for a guaranteed working environment
+          cat <<EOF > Dockerfile.win
+          FROM python:3.10-slim
+          RUN apt-get update && apt-get install -y wine binutils-mingw-w64-x86-64 && apt-get clean
+          RUN python -m pip install --upgrade pip pyinstaller requests questionary rich python-dotenv
+          WORKDIR /src
+          EOF
+
+          # 2. Build the local image
+          docker build -t local-win-builder -f Dockerfile.win .
+
+          # 3. Create container and copy files
           CONTAINER_NAME="win-build-${{ github.run_id }}"
+          docker create --name \$CONTAINER_NAME local-win-builder sh -c "pyinstaller --onefile --name tamigo-cli tamigo.py"
+          docker cp . \$CONTAINER_NAME:/src
           
-          # 1. Create a container from a modern Wine-PyInstaller image
-          docker create --name $CONTAINER_NAME skandyla/wine-pyinstaller sh -c "pip install -r requirements.txt && pyinstaller --onefile --name tamigo-cli tamigo.py"
-          
-          # 2. Copy source into container
-          docker cp . $CONTAINER_NAME:/src
-          
-          # 3. Run the build
-          docker start -a $CONTAINER_NAME
-          
-          # 4. Copy results back
+          # 4. Start build and extract
+          docker start -a \$CONTAINER_NAME
           mkdir -p win_dist
-          docker cp $CONTAINER_NAME:/src/dist/tamigo-cli.exe ./win_dist/tamigo-cli.exe || docker cp $CONTAINER_NAME:/src/dist/. ./win_dist/
-          
-          # 5. Cleanup
-          docker rm $CONTAINER_NAME
+          docker cp \$CONTAINER_NAME:/src/dist/. ./win_dist/
+          docker rm \$CONTAINER_NAME
           
       - name: Debug - List Files
         if: always()
         run: |
-          ls -R win_dist/
+          ls -R win_dist/ || echo "No win_dist folder"
           find . -name "*.exe"
           
       - name: Upload Windows Artifact