diff --git a/internal/caches/open_file_cache.go b/internal/caches/open_file_cache.go
index 11ac41d..54a0134 100644
--- a/internal/caches/open_file_cache.go
+++ b/internal/caches/open_file_cache.go
@@ -62,6 +62,9 @@ func (this *OpenFileCache) Get(filename string) *OpenFile {
 		if consumed {
 			this.locker.Lock()
 			this.count--
+
+			// pool如果为空，也不需要从列表中删除，避免put时需要重新创建
+
 			this.locker.Unlock()
 		}
 		return file
@@ -148,6 +151,7 @@ func (this *OpenFileCache) CloseAll() {
 	this.poolMap = map[string]*OpenFilePool{}
 	this.poolList.Reset()
 	_ = this.watcher.Close()
+	this.count = 0
 	this.locker.Unlock()
 }
 
diff --git a/internal/caches/open_file_cache_test.go b/internal/caches/open_file_cache_test.go
new file mode 100644
index 0000000..c2e8a5a
--- /dev/null
+++ b/internal/caches/open_file_cache_test.go
@@ -0,0 +1,43 @@
+// Copyright 2022 Liuxiangchao iwind.liu@gmail.com. All rights reserved. Official site: https://goedge.cn .
+
+package caches_test
+
+import (
+	"github.com/TeaOSLab/EdgeNode/internal/caches"
+	"testing"
+	"time"
+)
+
+func TestNewOpenFileCache_Close(t *testing.T) {
+	cache, err := caches.NewOpenFileCache(1024)
+	if err != nil {
+		t.Fatal(err)
+	}
+	cache.Debug()
+	cache.Put("a.txt", caches.NewOpenFile(nil, nil, nil, 0))
+	cache.Put("b.txt", caches.NewOpenFile(nil, nil, nil, 0))
+	cache.Put("b.txt", caches.NewOpenFile(nil, nil, nil, 0))
+	cache.Put("b.txt", caches.NewOpenFile(nil, nil, nil, 0))
+	cache.Put("c.txt", caches.NewOpenFile(nil, nil, nil, 0))
+	cache.Get("b.txt")
+	cache.Get("d.txt")
+	cache.Close("a.txt")
+
+	time.Sleep(100 * time.Second)
+}
+
+func TestNewOpenFileCache_CloseAll(t *testing.T) {
+	cache, err := caches.NewOpenFileCache(1024)
+	if err != nil {
+		t.Fatal(err)
+	}
+	cache.Debug()
+	cache.Put("a.txt", caches.NewOpenFile(nil, nil, nil, 0))
+	cache.Put("b.txt", caches.NewOpenFile(nil, nil, nil, 0))
+	cache.Put("c.txt", caches.NewOpenFile(nil, nil, nil, 0))
+	cache.Get("b.txt")
+	cache.Get("d.txt")
+	cache.CloseAll()
+
+	time.Sleep(6 * time.Second)
+}
diff --git a/internal/caches/open_file_pool_test.go b/internal/caches/open_file_pool_test.go
index b27662f..ca7f8bd 100644
--- a/internal/caches/open_file_pool_test.go
+++ b/internal/caches/open_file_pool_test.go
@@ -4,6 +4,8 @@ package caches_test
 
 import (
 	"github.com/TeaOSLab/EdgeNode/internal/caches"
+	"github.com/iwind/TeaGo/rands"
+	"sync"
 	"testing"
 )
 
@@ -15,3 +17,30 @@ func TestOpenFilePool_Get(t *testing.T) {
 	t.Log(pool.Get())
 	t.Log(pool.Get())
 }
+
+func TestOpenFilePool_Close(t *testing.T) {
+	var pool = caches.NewOpenFilePool("a")
+	pool.Put(caches.NewOpenFile(nil, nil, nil, 0))
+	pool.Put(caches.NewOpenFile(nil, nil, nil, 0))
+	pool.Close()
+}
+
+func TestOpenFilePool_Concurrent(t *testing.T) {
+	var pool = caches.NewOpenFilePool("a")
+	var concurrent = 1000
+	var wg = &sync.WaitGroup{}
+	wg.Add(concurrent)
+	for i := 0; i < concurrent; i++ {
+		go func() {
+			defer wg.Done()
+
+			if rands.Int(0, 1) == 1 {
+				pool.Put(caches.NewOpenFile(nil, nil, nil, 0))
+			}
+			if rands.Int(0, 1) == 0 {
+				pool.Get()
+			}
+		}()
+	}
+	wg.Wait()
+}