diff --git a/scripts/build-on-107-deploy-111.sh b/scripts/build-on-107-deploy-111.sh
index 1c6d6e3..86eb847 100755
--- a/scripts/build-on-107-deploy-111.sh
+++ b/scripts/build-on-107-deploy-111.sh
@@ -9,12 +9,14 @@ IMAGE_NAME="${IMAGE_NAME:-vpn-proxy-gateway}"
 GIT_REF="$(git rev-parse --short HEAD 2>/dev/null || echo manual)"
 IMAGE_TAG="${IMAGE_TAG:-${GIT_REF}-$(date +%Y%m%d%H%M%S)}"
 GATEWAY_IMAGE="${GATEWAY_IMAGE:-${IMAGE_NAME}:${IMAGE_TAG}}"
-BASE_IMAGE="${BASE_IMAGE:-debian:bookworm-slim}"
+BASE_IMAGE="${BASE_IMAGE:-mirror.gcr.io/library/debian:bookworm-slim}"
 SINGBOX_VERSION="${SINGBOX_VERSION:-1.12.13}"
+DOCKER_BUILD_PULL="${DOCKER_BUILD_PULL:-false}"
 
 echo "Build host: ${BUILD_HOST}"
 echo "Deploy host: ${DEPLOY_HOST}"
 echo "Image: ${GATEWAY_IMAGE}"
+echo "Base image: ${BASE_IMAGE}"
 
 echo "Syncing source to ${BUILD_HOST}:${BUILD_PATH}"
 ssh "${BUILD_HOST}" "mkdir -p '${BUILD_PATH}'"
@@ -27,7 +29,7 @@ rsync -az --delete \
 
 echo "Building image on ${BUILD_HOST}"
 ssh "${BUILD_HOST}" \
-  "cd '${BUILD_PATH}' && npm ci && npm run build && docker build --pull --build-arg BASE_IMAGE='${BASE_IMAGE}' --build-arg SINGBOX_VERSION='${SINGBOX_VERSION}' -t '${GATEWAY_IMAGE}' ."
+  "set -e; echo 'Docker context:' \$(docker context show 2>/dev/null || true); docker info 2>/dev/null | sed -n '/HTTP Proxy:/p;/HTTPS Proxy:/p;/Name:/p'; cd '${BUILD_PATH}' && npm ci && npm run build && docker build --pull='${DOCKER_BUILD_PULL}' --build-arg BASE_IMAGE='${BASE_IMAGE}' --build-arg SINGBOX_VERSION='${SINGBOX_VERSION}' -t '${GATEWAY_IMAGE}' ."
 
 echo "Loading image into ${DEPLOY_HOST}"
 ssh "${BUILD_HOST}" "docker save '${GATEWAY_IMAGE}'" | ssh "${DEPLOY_HOST}" "docker load"