diff --git a/internal/caches/storage_file.go b/internal/caches/storage_file.go
index 8ba5a0f..3c181a9 100644
--- a/internal/caches/storage_file.go
+++ b/internal/caches/storage_file.go
@@ -208,6 +208,9 @@ func (this *FileStorage) OpenReader(key string) (Reader, error) {
 	return this.openReader(key, true)
 }
 
+var cacheMap = map[string][]*os.File{}
+var cacheMapLocker = ysnc.
+
 func (this *FileStorage) openReader(key string, allowMemory bool) (Reader, error) {
 	// 先尝试内存缓存
 	if allowMemory && this.memoryStorage != nil {
diff --git a/internal/nodes/listener_http.go b/internal/nodes/listener_http.go
index c9679f9..b53be84 100644
--- a/internal/nodes/listener_http.go
+++ b/internal/nodes/listener_http.go
@@ -47,8 +47,8 @@ func (this *HTTPListener) Serve() error {
 	this.httpServer = &http.Server{
 		Addr:              this.addr,
 		Handler:           this,
-		ReadHeaderTimeout: 2 * time.Second, // TODO 改成可以配置
-		IdleTimeout:       2 * time.Minute, // TODO 改成可以配置
+		ReadHeaderTimeout: 3 * time.Second,  // TODO 改成可以配置
+		IdleTimeout:       75 * time.Second, // TODO 改成可以配置
 		ConnState: func(conn net.Conn, state http.ConnState) {
 			switch state {
 			case http.StateNew: