diff --git a/Dockerfile b/Dockerfile
index 830b1fc..d432424 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -40,6 +40,10 @@ RUN npm prune --omit=dev
 
 FROM node:22-slim
 
+# Use China apt mirror
+RUN sed -i 's|deb.debian.org|mirrors.aliyun.com|g' /etc/apt/sources.list.d/debian.sources 2>/dev/null || \
+    sed -i 's|deb.debian.org|mirrors.aliyun.com|g' /etc/apt/sources.list 2>/dev/null || true
+
 # Proxy for apt-get (passed via --build-arg)
 ARG HTTP_PROXY
 ARG HTTPS_PROXY