diff --git a/Dockerfile b/Dockerfile
index 9e22bc3e5..6c6ac2fbe 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -68,10 +68,10 @@ RUN mkdir -p /usr/share/infinity/resource && \
 ARG NGINX_VERSION=1.29.5-1~noble
 RUN --mount=type=cache,id=ragflow_apt,target=/var/cache/apt,sharing=locked \
     mkdir -p /etc/apt/keyrings && \
-    curl -fsSL https://nginx.org/keys/nginx_signing.key | gpg --dearmor -o /etc/apt/keyrings/nginx-archive-keyring.gpg && \
+    curl --retry 5 --retry-delay 2 --retry-all-errors -fsSL https://nginx.org/keys/nginx_signing.key | gpg --dearmor -o /etc/apt/keyrings/nginx-archive-keyring.gpg && \
     echo "deb [signed-by=/etc/apt/keyrings/nginx-archive-keyring.gpg] https://nginx.org/packages/mainline/ubuntu/ noble nginx" > /etc/apt/sources.list.d/nginx.list && \
-    apt update && \
-    apt install -y nginx=${NGINX_VERSION} && \
+    apt -o Acquire::Retries=5 update && \
+    apt -o Acquire::Retries=5 install -y nginx=${NGINX_VERSION} && \
     apt-mark hold nginx
 
 # Install uv
@@ -90,7 +90,9 @@ RUN --mount=type=bind,from=infiniflow/ragflow_deps:latest,source=/,target=/deps
     && rm -rf "uv-${uv_arch}-unknown-linux-gnu" \
     && uv python install 3.12
 
-ENV PYTHONDONTWRITEBYTECODE=1 DOTNET_SYSTEM_GLOBALIZATION_INVARIANT=1
+ENV PYTHONDONTWRITEBYTECODE=1 DOTNET_SYSTEM_GLOBALIZATION_INVARIANT=1 \
+    UV_HTTP_TIMEOUT=200 \
+    UV_HTTP_RETRIES=3
 ENV PATH=/root/.local/bin:$PATH
 
 # nodejs 12.22 on Ubuntu 22.04 is too old