diff --git a/Dockerfile b/Dockerfile
index c1c42497..c07617c7 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -33,7 +33,7 @@ COPY . .
 RUN apt-get update \
     && apt-get -y install musl-dev nginx \
     && mkdir -p /etc/nginx \
-    && cp -f nginx.conf /etc/nginx/nginx.conf \
+    && cp -f nginx.conf /etc/nginx/nginx.template.conf \
     && pip install -r requirements.txt \
     && python_ver=$(python3 -V | awk '{print $2}') \
     && echo "/app/" > /usr/local/lib/python${python_ver%.*}/site-packages/app.pth \
diff --git a/start.sh b/start.sh
index 956db3e2..f1d7425b 100644
--- a/start.sh
+++ b/start.sh
@@ -1,5 +1,9 @@
 #!/bin/sh
 
 umask ${UMASK}
+# 使用 `envsubst` 将模板文件中的 ${NGINX_PORT} 替换为实际的环境变量值
+envsubst '${NGINX_PORT}' < /etc/nginx/nginx.template.conf > /etc/nginx/nginx.conf
+# 下载浏览器内核
 playwright install chromium
+# 启动后端服务
 python3 app/main.py