diff --git a/README.md b/README.md
index f21fc6e..a73fe67 100644
--- a/README.md
+++ b/README.md
@@ -10,7 +10,7 @@ S3 Balance 是一个用 Go 编写的 S3 兼容负载均衡器，可在多套对
 - **多桶调度**：支持轮询、剩余空间、加权和一致性哈希等策略，可热切换。
 - **健康监控**：周期性探活与容量统计，Prometheus 指标暴露在 `/metrics`。
 - **虚拟桶映射**：对外只暴露虚拟桶名称，真实桶在后端透明调度。
-- **代理或重定向模式**：可选择由服务转发数据，或返回预签名 URL 让客户端直连。
+- **代理或重定向模式**：可选择由服务转发数据，或返回302重定向让客户端直连。
 - **SigV4 认证**：配置 `s3api.auth_required` 后，通过 `github.com/DullJZ/s3-validate` 校验 AWS Signature Version 4 请求。
 
 ## 快速开始
diff --git a/README_EN.md b/README_EN.md
index 74dd29f..43042ff 100644
--- a/README_EN.md
+++ b/README_EN.md
@@ -8,7 +8,7 @@ S3 Balance is an S3-compatible load balancer written in Go. It automatically sel
 - **Multi-bucket Scheduling**: Supports strategies like round-robin, least-space, weighted, and consistent hashing, with hot-swapping capabilities.
 - **Health Monitoring**: Periodic health checks and capacity statistics, with Prometheus metrics exposed at `/metrics`.
 - **Virtual Bucket Mapping**: Only virtual bucket names are exposed externally, while real buckets are transparently scheduled in the backend.
-- **Proxy or Redirect Mode**: Choose between service-forwarded data or pre-signed URLs for direct client connections.
+- **Proxy or Redirect Mode**: Choose between service-forwarded data or 302 redirects for direct client connections.
 - **SigV4 Authentication**: When `s3api.auth_required` is enabled, AWS Signature Version 4 requests are validated using `github.com/DullJZ/s3-validate`.
 
 ## Quick Start