diff --git a/.env.example b/.env.example
index 356ccb1..4a001ba 100644
--- a/.env.example
+++ b/.env.example
@@ -19,6 +19,9 @@ S3_SECRET_KEY=change-me-minio-password
 S3_BUCKET=ciyuan-viewfinder
 
 # Server
+PIP_INDEX_URL=https://pypi.tuna.tsinghua.edu.cn/simple
+PIP_TRUSTED_HOST=pypi.tuna.tsinghua.edu.cn
+PIP_DEFAULT_TIMEOUT=120
 DATABASE_URL=postgresql+asyncpg://shiran:change-me-postgres-password@postgres:5432/ciyuan_viewfinder
 DATABASE_URL_SYNC=postgresql://shiran:change-me-postgres-password@postgres:5432/ciyuan_viewfinder
 SECRET_KEY=change-me-before-production
diff --git a/docker-compose.yml b/docker-compose.yml
index 5e87e95..b4ab8d3 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -59,6 +59,10 @@ services:
   server:
     build:
       context: ./server
+      args:
+        PIP_INDEX_URL: "${PIP_INDEX_URL}"
+        PIP_TRUSTED_HOST: "${PIP_TRUSTED_HOST}"
+        PIP_DEFAULT_TIMEOUT: "${PIP_DEFAULT_TIMEOUT}"
     container_name: ciyuan-server
     environment:
       DATABASE_URL: "${DATABASE_URL}"
diff --git a/server/Dockerfile b/server/Dockerfile
index 08f9d02..9d0d9ed 100644
--- a/server/Dockerfile
+++ b/server/Dockerfile
@@ -4,10 +4,18 @@ ENV PYTHONDONTWRITEBYTECODE=1 \
     PYTHONUNBUFFERED=1 \
     PIP_NO_CACHE_DIR=1
 
+ARG PIP_INDEX_URL
+ARG PIP_TRUSTED_HOST
+ARG PIP_DEFAULT_TIMEOUT=120
+
+ENV PIP_INDEX_URL=${PIP_INDEX_URL} \
+    PIP_TRUSTED_HOST=${PIP_TRUSTED_HOST} \
+    PIP_DEFAULT_TIMEOUT=${PIP_DEFAULT_TIMEOUT}
+
 WORKDIR /app
 
 COPY requirements.txt .
-RUN pip install --no-cache-dir -r requirements.txt
+RUN pip install -r requirements.txt
 
 COPY . .