diff --git a/README.md b/README.md
index 8609a49..211493d 100644
--- a/README.md
+++ b/README.md
@@ -204,7 +204,7 @@ GPT-Load 采用双层配置架构：
 | 请求超时             | `request_timeout`         | 600    | ✅         | 转发请求完整生命周期超时（秒） |
 | 连接超时             | `connect_timeout`         | 15     | ✅         | 与上游服务建立连接超时（秒）   |
 | 空闲连接超时         | `idle_conn_timeout`       | 120    | ✅         | HTTP 客户端空闲连接超时（秒）  |
-| 响应头超时           | `response_header_timeout` | 15     | ✅         | 等待上游响应头超时（秒）       |
+| 响应头超时           | `response_header_timeout` | 600    | ✅         | 等待上游响应头超时（秒）       |
 | 最大空闲连接数       | `max_idle_conns`          | 100    | ✅         | 连接池最大空闲连接总数         |
 | 每主机最大空闲连接数 | `max_idle_conns_per_host` | 50     | ✅         | 每个上游主机最大空闲连接数     |
 
diff --git a/README_EN.md b/README_EN.md
index dc8eef3..f01510f 100644
--- a/README_EN.md
+++ b/README_EN.md
@@ -204,7 +204,7 @@ Dynamic configuration is stored in the database and supports real-time modificat
 | Request Timeout               | `request_timeout`         | 600     | ✅             | Forward request complete lifecycle timeout (seconds)                |
 | Connection Timeout            | `connect_timeout`         | 15      | ✅             | Timeout for establishing connection with upstream service (seconds) |
 | Idle Connection Timeout       | `idle_conn_timeout`       | 120     | ✅             | HTTP client idle connection timeout (seconds)                       |
-| Response Header Timeout       | `response_header_timeout` | 15      | ✅             | Timeout for waiting upstream response headers (seconds)             |
+| Response Header Timeout       | `response_header_timeout` | 600     | ✅             | Timeout for waiting upstream response headers (seconds)             |
 | Max Idle Connections          | `max_idle_conns`          | 100     | ✅             | Connection pool maximum total idle connections                      |
 | Max Idle Connections Per Host | `max_idle_conns_per_host` | 50      | ✅             | Maximum idle connections per upstream host                          |
 
diff --git a/internal/proxy/server.go b/internal/proxy/server.go
index 0437eb3..e116ced 100644
--- a/internal/proxy/server.go
+++ b/internal/proxy/server.go
@@ -188,7 +188,7 @@ func (ps *ProxyServer) executeRequestWithRetry(
 		var parsedError string
 
 		if err != nil {
-			statusCode = 0
+			statusCode = 500
 			errorMessage = err.Error()
 			logrus.Debugf("Request failed (attempt %d/%d) for key %s: %v", retryCount+1, cfg.MaxRetries, utils.MaskAPIKey(apiKey.KeyValue), err)
 		} else {
diff --git a/internal/types/types.go b/internal/types/types.go
index ccee089..dcab432 100644
--- a/internal/types/types.go
+++ b/internal/types/types.go
@@ -23,10 +23,10 @@ type SystemSettings struct {
 	RequestLogWriteIntervalMinutes int    `json:"request_log_write_interval_minutes" default:"5" name:"日志延迟写入周期（分钟）" category:"基础参数" desc:"请求日志从缓存写入数据库的周期（分钟），0为实时写入数据。" validate:"min=0"`
 
 	// 请求设置
-	RequestTimeout        int `json:"request_timeout" default:"600" name:"请求超时（秒）" category:"请求设置" desc:"转发请求的完整生命周期超时（秒），包括连接、重试等。" validate:"min=1"`
+	RequestTimeout        int `json:"request_timeout" default:"600" name:"请求超时（秒）" category:"请求设置" desc:"转发请求的完整生命周期超时（秒）等。" validate:"min=1"`
 	ConnectTimeout        int `json:"connect_timeout" default:"15" name:"连接超时（秒）" category:"请求设置" desc:"与上游服务建立新连接的超时时间（秒）。" validate:"min=1"`
 	IdleConnTimeout       int `json:"idle_conn_timeout" default:"120" name:"空闲连接超时（秒）" category:"请求设置" desc:"HTTP 客户端中空闲连接的超时时间（秒）。" validate:"min=1"`
-	ResponseHeaderTimeout int `json:"response_header_timeout" default:"15" name:"响应头超时（秒）" category:"请求设置" desc:"等待上游服务响应头的最长时间（秒），用于流式请求。" validate:"min=1"`
+	ResponseHeaderTimeout int `json:"response_header_timeout" default:"600" name:"响应头超时（秒）" category:"请求设置" desc:"等待上游服务响应头的最长时间（秒）。" validate:"min=1"`
 	MaxIdleConns          int `json:"max_idle_conns" default:"100" name:"最大空闲连接数" category:"请求设置" desc:"HTTP 客户端连接池中允许的最大空闲连接总数。" validate:"min=1"`
 	MaxIdleConnsPerHost   int `json:"max_idle_conns_per_host" default:"50" name:"每主机最大空闲连接数" category:"请求设置" desc:"HTTP 客户端连接池对每个上游主机允许的最大空闲连接数。" validate:"min=1"`