diff --git a/.github/workflows/build-images.yaml b/.github/workflows/build-images.yaml
index 51f3a12..412d009 100644
--- a/.github/workflows/build-images.yaml
+++ b/.github/workflows/build-images.yaml
@@ -34,11 +34,14 @@ jobs:
         run: |
           echo "PLATFORM=$PLATFORM"
           echo "ROS_DISTRO=$ROS_DISTRO"
-
+          NPROC=$(nproc)
+          BUILD_JOBS=$(( NPROC / 2 > 0 ? NPROC / 2 : 1 ))
+          echo "BUILD_JOBS=$BUILD_JOBS" >> $GITHUB_ENV
+          
       # ── Stage 0: Download Buildroot SDK ────────────────────────────────
       - name: Download Buildroot SDK
         env:
-          GITEA_TOKEN: ${{ secrets.GITEA_TOKEN }}
+          GITEA_TOKEN: ${{ secrets.ERIC_TOKEN }}
         run: |
           mkdir -p cross_compile/${PLATFORM}
           SDK_URL="https://gitea.himicat.top/api/packages/xixing-tech/generic/${PLATFORM}-buildroot-sdk/1.0.0/aarch64-buildroot-linux-gnu_sdk-buildroot.tar.gz"