diff --git a/entrypoint b/entrypoint
index cd062322..7b70d970 100644
--- a/entrypoint
+++ b/entrypoint
@@ -3,7 +3,8 @@
 # shellcheck disable=SC2016
 
 # 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}${PORT}' < /etc/nginx/nginx.template.conf > /etc/nginx/nginx.conf
+NGINX_CLIENT_MAX_BODY_SIZE=${NGINX_CLIENT_MAX_BODY_SIZE:-10m}
+envsubst '${NGINX_PORT}${PORT}${NGINX_CLIENT_MAX_BODY_SIZE}' < /etc/nginx/nginx.template.conf > /etc/nginx/nginx.conf
 # 自动更新
 cd /
 /usr/local/bin/mp_update
diff --git a/nginx.conf b/nginx.conf
index 93d0436c..99158f84 100644
--- a/nginx.conf
+++ b/nginx.conf
@@ -17,6 +17,8 @@ http {
 
     keepalive_timeout 3600;
 
+    client_max_body_size ${NGINX_CLIENT_MAX_BODY_SIZE};
+
     gzip on;
     gzip_types text/plain text/css application/json application/javascript text/xml application/xml application/xml+rss text/javascript;
     gzip_proxied any;