fix: 优化配置

internal/config/config.go

@@ -74,6 +74,14 @@ type PerformanceConfig struct {
 	BufferSize         int  `json:"bufferSize"`
 }
 
+// LogConfig 日志配置
+type LogConfig struct {
+	Level      string `json:"level"`      // debug, info, warn, error
+	Format     string `json:"format"`     // text, json
+	EnableFile bool   `json:"enableFile"` // 是否启用文件日志
+	FilePath   string `json:"filePath"`   // 日志文件路径
+}
+
 // Config 应用配置
 type Config struct {
 	Server      ServerConfig      `json:"server"`
@@ -82,6 +90,7 @@ type Config struct {
 	Auth        AuthConfig        `json:"auth"`
 	CORS        CORSConfig        `json:"cors"`
 	Performance PerformanceConfig `json:"performance"`
+	Log         LogConfig         `json:"log"`
 }
 
 // Global config instance
@@ -123,6 +132,12 @@ func LoadConfig() (*Config, error) {
 			DisableCompression: parseBoolean(os.Getenv("DISABLE_COMPRESSION"), true),
 			BufferSize:         parseInteger(os.Getenv("BUFFER_SIZE"), 32*1024),
 		},
+		Log: LogConfig{
+			Level:      getEnvOrDefault("LOG_LEVEL", "info"),
+			Format:     getEnvOrDefault("LOG_FORMAT", "text"),
+			EnableFile: parseBoolean(os.Getenv("LOG_ENABLE_FILE"), false),
+			FilePath:   getEnvOrDefault("LOG_FILE_PATH", "logs/app.log"),
+		},
 	}
 
 	// 验证配置
@@ -205,6 +220,19 @@ func DisplayConfig(config *Config) {
 	}
 	logrus.Infof("   CORS: %s", corsStatus)
 	logrus.Infof("   连接池: %d/%d", config.Performance.MaxSockets, config.Performance.MaxFreeSockets)
+
+	keepAliveStatus := "已启用"
+	if !config.Performance.EnableKeepAlive {
+		keepAliveStatus = "已禁用"
+	}
+	logrus.Infof("   Keep-Alive: %s", keepAliveStatus)
+
+	compressionStatus := "已启用"
+	if config.Performance.DisableCompression {
+		compressionStatus = "已禁用"
+	}
+	logrus.Infof("   压缩: %s", compressionStatus)
+	logrus.Infof("   缓冲区大小: %d bytes", config.Performance.BufferSize)
 }
 
 // 辅助函数

internal/proxy/proxy.go

@@ -51,10 +51,15 @@ func NewProxyServer() (*ProxyServer, error) {
 		IdleConnTimeout:       90 * time.Second,
 		TLSHandshakeTimeout:   10 * time.Second,
 		ExpectContinueTimeout: 1 * time.Second,
-		DisableCompression:    true, // 禁用压缩以减少CPU开销，让上游处理
+		DisableCompression:    config.AppConfig.Performance.DisableCompression,
 		ForceAttemptHTTP2:     true,
-		WriteBufferSize:       32 * 1024, // 32KB写缓冲
-		ReadBufferSize:        32 * 1024, // 32KB读缓冲
+		WriteBufferSize:       config.AppConfig.Performance.BufferSize,
+		ReadBufferSize:        config.AppConfig.Performance.BufferSize,
+	}
+
+	// 配置 Keep-Alive
+	if !config.AppConfig.Performance.EnableKeepAlive {
+		transport.DisableKeepAlives = true
 	}
 
 	httpClient := &http.Client{