diff --git a/.gitea/workflows/deploy.yaml b/.gitea/workflows/deploy.yaml
index f8bd481..9a2b020 100644
--- a/.gitea/workflows/deploy.yaml
+++ b/.gitea/workflows/deploy.yaml
@@ -41,19 +41,36 @@ jobs:
         id: build_toonflow
         run: |
           set -o pipefail
+          BUILD_OK=0
           for attempt in 1 2 3; do
             echo "Build ToonFlow attempt $attempt/3..."
-            DOCKER_BUILDKIT=0 docker build \
+            if DOCKER_BUILDKIT=0 docker build \
               --tag ${{ env.CR_SERVER_ACTIVE }}/${{ env.CR_ORG }}/toonflow:${{ env.IMAGE_TAG }} \
               --tag ${{ env.CR_SERVER_ACTIVE }}/${{ env.CR_ORG }}/toonflow:latest \
-              . 2>&1 | tee /tmp/build.log && break
+              . 2>&1 | tee /tmp/build.log; then
+              BUILD_OK=1
+              break
+            fi
             echo "Attempt $attempt failed, retrying in 10s..." && sleep 10
           done
+          if [ "$BUILD_OK" -ne 1 ]; then
+            echo "Docker build failed after 3 attempts."
+            exit 1
+          fi
+
+          PUSH_OK=0
           for attempt in 1 2 3; do
-            docker push ${{ env.CR_SERVER_ACTIVE }}/${{ env.CR_ORG }}/toonflow:${{ env.IMAGE_TAG }} && \
-            docker push ${{ env.CR_SERVER_ACTIVE }}/${{ env.CR_ORG }}/toonflow:latest && break
+            if docker push ${{ env.CR_SERVER_ACTIVE }}/${{ env.CR_ORG }}/toonflow:${{ env.IMAGE_TAG }} && \
+              docker push ${{ env.CR_SERVER_ACTIVE }}/${{ env.CR_ORG }}/toonflow:latest; then
+              PUSH_OK=1
+              break
+            fi
             echo "Push attempt $attempt failed, retrying in 10s..." && sleep 10
           done
+          if [ "$PUSH_OK" -ne 1 ]; then
+            echo "Docker push failed after 3 attempts."
+            exit 1
+          fi
 
       - name: Setup Kubectl
         run: |
diff --git a/Dockerfile b/Dockerfile
index 93205b4..2d8f39b 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -3,8 +3,8 @@ FROM node:24-bookworm-slim
 WORKDIR /app
 
 RUN sed -i \
-      -e 's|http://deb.debian.org/debian|https://mirrors.aliyun.com/debian|g' \
-      -e 's|http://deb.debian.org/debian-security|https://mirrors.aliyun.com/debian-security|g' \
+      -e 's|http://deb.debian.org/debian|http://mirrors.aliyun.com/debian|g' \
+      -e 's|http://deb.debian.org/debian-security|http://mirrors.aliyun.com/debian-security|g' \
       /etc/apt/sources.list.d/debian.sources && \
     apt-get update && \
     apt-get install -y --no-install-recommends ca-certificates python3 make g++ && \