diff --git a/.gitea/workflows/deploy-dev.yml b/.gitea/workflows/deploy-dev.yml
index 1324d23..07f8037 100644
--- a/.gitea/workflows/deploy-dev.yml
+++ b/.gitea/workflows/deploy-dev.yml
@@ -22,7 +22,7 @@ jobs:
       - name: Warm mirror cache for base images
         run: |
           set -u
-          mirror_host="127.0.0.1:5501"
+          mirror_host="100.78.131.124:5501"
 
           prewarm_base_image() {
             image_ref="$1"
@@ -47,8 +47,14 @@ jobs:
 
       - name: Build dev image
         run: |
+          set -e
           export DOCKER_API_VERSION=1.43
-          DOCKER_BUILDKIT=0 docker build --cache-from nas-dashboard-dev:latest -t nas-dashboard-dev:latest dashboard/
+          if ! DOCKER_BUILDKIT=0 docker build --cache-from nas-dashboard-dev:latest -t nas-dashboard-dev:latest dashboard/; then
+            echo "Build failed. Checking for network issues..."
+            curl -I https://registry.npmmirror.com || echo "npmmirror unreachable"
+            curl -I https://pypi.tuna.tsinghua.edu.cn || echo "Tsinghua PyPI unreachable"
+            exit 1
+          fi
       - name: Sync runtime compose file
         run: |
           mkdir -p /volume1/docker/nas-dashboard
diff --git a/.gitea/workflows/deploy.yml b/.gitea/workflows/deploy.yml
index ce0fcd7..40d58f8 100644
--- a/.gitea/workflows/deploy.yml
+++ b/.gitea/workflows/deploy.yml
@@ -54,7 +54,15 @@ jobs:
           prewarm_base_image "python:3.12-slim"
 
       - name: Build
-        run: DOCKER_BUILDKIT=0 docker build -t nas-dashboard:latest dashboard/
+        run: |
+          set -e
+          export DOCKER_API_VERSION=1.43
+          if ! DOCKER_BUILDKIT=0 docker build -t nas-dashboard:latest dashboard/; then
+            echo "Build failed. Checking for network issues..."
+            curl -I https://registry.npmmirror.com || echo "npmmirror unreachable"
+            curl -I https://pypi.tuna.tsinghua.edu.cn || echo "Tsinghua PyPI unreachable"
+            exit 1
+          fi
       - name: Sync runtime compose file
         run: cp dashboard/docker-compose.yml /nas-dashboard/docker-compose.yml
       - name: Deploy
diff --git a/dashboard/.dockerignore b/dashboard/.dockerignore
new file mode 100644
index 0000000..77f1f6a
--- /dev/null
+++ b/dashboard/.dockerignore
@@ -0,0 +1,9 @@
+node_modules
+.git
+.gitignore
+*.md
+.env
+.vscode
+__pycache__
+*.pyc
+.pytest_cache
diff --git a/dashboard/Dockerfile b/dashboard/Dockerfile
index 9ca993d..8780e9c 100644
--- a/dashboard/Dockerfile
+++ b/dashboard/Dockerfile
@@ -3,7 +3,8 @@ FROM node:20-alpine AS frontend
 WORKDIR /build
 COPY frontend/package.json frontend/package-lock.json* ./
 COPY frontend/ ./
-RUN npm install --registry=https://registry.npmmirror.com && npm run build
+RUN npm install --registry=https://registry.npmmirror.com || npm install
+RUN npm run build
 
 # Stage 2: Python runtime
 FROM python:3.12-slim
@@ -11,7 +12,8 @@ RUN apt-get update && apt-get install -y --no-install-recommends openssh-client
 RUN adduser --disabled-password --no-create-home --gecos "" app
 WORKDIR /app
 COPY backend/requirements.txt .
-RUN pip install --no-cache-dir --index-url https://pypi.tuna.tsinghua.edu.cn/simple -r requirements.txt
+RUN pip install --no-cache-dir --index-url https://pypi.tuna.tsinghua.edu.cn/simple -r requirements.txt || \
+    pip install --no-cache-dir -r requirements.txt
 COPY backend/ ./
 COPY --from=frontend /build/dist /app/static
 RUN chown -R app:app /app
diff --git a/dashboard/frontend/src/routes/Files.svelte b/dashboard/frontend/src/routes/Files.svelte
index fbeb3af..f3ddd21 100644
--- a/dashboard/frontend/src/routes/Files.svelte
+++ b/dashboard/frontend/src/routes/Files.svelte
@@ -135,7 +135,7 @@
             </span>
           {/if}
           <span class="text-xs text-surface-400 text-right">{e.is_dir ? "—" : formatSize(e.size)}</span>
-          <div class="flex items-center justify-end gap-1 opacity-0 group-hover:opacity-100 transition-opacity">
+          <div class="flex items-center justify-end gap-1 opacity-100 md:opacity-0 md:group-hover:opacity-100 transition-opacity">
             {#if !e.is_dir}
               <button onclick={() => handleDownload(e.name)} class="text-[11px] text-primary-500 hover:text-primary-700 font-medium transition-colors">DL</button>
             {/if}