diff --git a/internal/caches/storage_file.go b/internal/caches/storage_file.go
index 250c08d..a03f225 100644
--- a/internal/caches/storage_file.go
+++ b/internal/caches/storage_file.go
@@ -14,6 +14,7 @@ import (
 	"github.com/TeaOSLab/EdgeNode/internal/remotelogs"
 	"github.com/TeaOSLab/EdgeNode/internal/trackers"
 	"github.com/TeaOSLab/EdgeNode/internal/utils"
+	"github.com/TeaOSLab/EdgeNode/internal/utils/bytepool"
 	"github.com/TeaOSLab/EdgeNode/internal/utils/fasttime"
 	fsutils "github.com/TeaOSLab/EdgeNode/internal/utils/fs"
 	memutils "github.com/TeaOSLab/EdgeNode/internal/utils/mem"
@@ -1285,9 +1286,9 @@ func (this *FileStorage) hotLoop() {
 			size = len(result) / 10
 		}
 
-		var buf = utils.BytePool16k.Get()
+		var buf = bytepool.Pool16k.Get()
 
-		defer utils.BytePool16k.Put(buf)
+		defer bytepool.Pool16k.Put(buf)
 		for _, item := range result[:size] {
 			reader, err := this.openReader(item.Key, false, false, false)
 			if err != nil {
diff --git a/internal/nodes/http_cache_task_manager.go b/internal/nodes/http_cache_task_manager.go
index b6389ee..c87fede 100644
--- a/internal/nodes/http_cache_task_manager.go
+++ b/internal/nodes/http_cache_task_manager.go
@@ -16,7 +16,7 @@ import (
 	"github.com/TeaOSLab/EdgeNode/internal/goman"
 	"github.com/TeaOSLab/EdgeNode/internal/remotelogs"
 	"github.com/TeaOSLab/EdgeNode/internal/rpc"
-	"github.com/TeaOSLab/EdgeNode/internal/utils"
+	"github.com/TeaOSLab/EdgeNode/internal/utils/bytepool"
 	connutils "github.com/TeaOSLab/EdgeNode/internal/utils/conns"
 	"github.com/iwind/TeaGo/Tea"
 	"io"
@@ -246,9 +246,9 @@ func (this *HTTPCacheTaskManager) fetchKey(key *pb.HTTPCacheTaskKey) error {
 	}
 
 	// 读取内容，以便于生成缓存
-	var buf = utils.BytePool16k.Get()
+	var buf = bytepool.Pool16k.Get()
 	_, err = io.CopyBuffer(io.Discard, resp.Body, buf.Bytes)
-	utils.BytePool16k.Put(buf)
+	bytepool.Pool16k.Put(buf)
 	if err != nil {
 		if err != io.EOF {
 			err = this.simplifyErr(err)
diff --git a/internal/nodes/http_request.go b/internal/nodes/http_request.go
index de7ba15..3a146a1 100644
--- a/internal/nodes/http_request.go
+++ b/internal/nodes/http_request.go
@@ -13,6 +13,7 @@ import (
 	"github.com/TeaOSLab/EdgeNode/internal/metrics"
 	"github.com/TeaOSLab/EdgeNode/internal/stats"
 	"github.com/TeaOSLab/EdgeNode/internal/utils"
+	"github.com/TeaOSLab/EdgeNode/internal/utils/bytepool"
 	"github.com/iwind/TeaGo/lists"
 	"github.com/iwind/TeaGo/maps"
 	"github.com/iwind/TeaGo/types"
@@ -1985,20 +1986,17 @@ func (this *HTTPRequest) addError(err error) {
 }
 
 // 计算合适的buffer size
-func (this *HTTPRequest) bytePool(contentLength int64) *utils.BytePool {
+func (this *HTTPRequest) bytePool(contentLength int64) *bytepool.Pool {
 	if contentLength < 0 {
-		return utils.BytePool16k
+		return bytepool.Pool16k
 	}
-	if contentLength < 8192 { // 8K
-		return utils.BytePool1k
+	if contentLength < 8192 { // < 8K
+		return bytepool.Pool1k
 	}
-	if contentLength < 32768 { // 32K
-		return utils.BytePool16k
+	if contentLength < 32768 { // < 32K
+		return bytepool.Pool16k
 	}
-	if contentLength < 131072 { // 128K
-		return utils.BytePool32k
-	}
-	return utils.BytePool32k
+	return bytepool.Pool32k
 }
 
 // 检查是否可以忽略错误
@@ -2008,20 +2006,21 @@ func (this *HTTPRequest) canIgnore(err error) bool {
 	}
 
 	// 已读到头
-	if err == io.EOF || err == io.ErrUnexpectedEOF {
+	if err == io.EOF || errors.Is(err, io.ErrUnexpectedEOF) {
 		return true
 	}
 
 	// 网络错误
-	_, ok := err.(*net.OpError)
+	var opErr *net.OpError
+	ok := errors.As(err, &opErr)
 	if ok {
 		return true
 	}
 
 	// 客户端主动取消
-	if err == errWritingToClient ||
-		err == context.Canceled ||
-		err == io.ErrShortWrite ||
+	if errors.Is(err, errWritingToClient) ||
+		errors.Is(err, context.Canceled) ||
+		errors.Is(err, io.ErrShortWrite) ||
 		strings.Contains(err.Error(), "write: connection") ||
 		strings.Contains(err.Error(), "write: broken pipe") ||
 		strings.Contains(err.Error(), "write tcp") {
diff --git a/internal/nodes/http_request_page.go b/internal/nodes/http_request_page.go
index 8f19ccd..b3a4a6f 100644
--- a/internal/nodes/http_request_page.go
+++ b/internal/nodes/http_request_page.go
@@ -4,6 +4,7 @@ import (
 	"github.com/TeaOSLab/EdgeCommon/pkg/serverconfigs"
 	"github.com/TeaOSLab/EdgeNode/internal/remotelogs"
 	"github.com/TeaOSLab/EdgeNode/internal/utils"
+	"github.com/TeaOSLab/EdgeNode/internal/utils/bytepool"
 	"github.com/iwind/TeaGo/Tea"
 	"net/http"
 	"os"
@@ -103,11 +104,11 @@ func (this *HTTPRequest) doPageLookup(pages []*serverconfigs.HTTPPageConfig, sta
 						this.writer.Prepare(nil, stat.Size(), status, true)
 						this.writer.WriteHeader(status)
 					}
-					var buf = utils.BytePool1k.Get()
+					var buf = bytepool.Pool1k.Get()
 					_, err = utils.CopyWithFilter(this.writer, fp, buf.Bytes, func(p []byte) []byte {
 						return []byte(this.Format(string(p)))
 					})
-					utils.BytePool1k.Put(buf)
+					bytepool.Pool1k.Put(buf)
 					if err != nil {
 						if !this.canIgnore(err) {
 							remotelogs.Warn("HTTP_REQUEST_PAGE", "write to client failed: "+err.Error())
diff --git a/internal/nodes/http_request_reverse_proxy.go b/internal/nodes/http_request_reverse_proxy.go
index 79c1153..7e5650d 100644
--- a/internal/nodes/http_request_reverse_proxy.go
+++ b/internal/nodes/http_request_reverse_proxy.go
@@ -8,6 +8,7 @@ import (
 	"github.com/TeaOSLab/EdgeNode/internal/compressions"
 	"github.com/TeaOSLab/EdgeNode/internal/remotelogs"
 	"github.com/TeaOSLab/EdgeNode/internal/utils"
+	"github.com/TeaOSLab/EdgeNode/internal/utils/bytepool"
 	"github.com/TeaOSLab/EdgeNode/internal/utils/fnv"
 	"github.com/TeaOSLab/EdgeNode/internal/utils/minifiers"
 	"github.com/iwind/TeaGo/lists"
@@ -581,9 +582,9 @@ func (this *HTTPRequest) doOriginRequest(failedOriginIds []int64, failedLnNodeId
 	// 是否有内容
 	if resp.ContentLength == 0 && len(resp.TransferEncoding) == 0 {
 		// 即使内容为0，也需要读取一次，以便于触发相关事件
-		var buf = utils.BytePool4k.Get()
+		var buf = bytepool.Pool4k.Get()
 		_, _ = io.CopyBuffer(this.writer, resp.Body, buf.Bytes)
-		utils.BytePool4k.Put(buf)
+		bytepool.Pool4k.Put(buf)
 		_ = resp.Body.Close()
 		respBodyIsClosed = true
 
diff --git a/internal/nodes/http_request_shutdown.go b/internal/nodes/http_request_shutdown.go
index 62131cf..444dc16 100644
--- a/internal/nodes/http_request_shutdown.go
+++ b/internal/nodes/http_request_shutdown.go
@@ -4,6 +4,7 @@ import (
 	"github.com/TeaOSLab/EdgeCommon/pkg/serverconfigs"
 	"github.com/TeaOSLab/EdgeNode/internal/remotelogs"
 	"github.com/TeaOSLab/EdgeNode/internal/utils"
+	"github.com/TeaOSLab/EdgeNode/internal/utils/bytepool"
 	"github.com/iwind/TeaGo/Tea"
 	"net/http"
 	"os"
@@ -68,11 +69,11 @@ func (this *HTTPRequest) doShutdown() {
 			this.ProcessResponseHeaders(this.writer.Header(), http.StatusOK)
 			this.writer.WriteHeader(http.StatusOK)
 		}
-		var buf = utils.BytePool1k.Get()
+		var buf = bytepool.Pool1k.Get()
 		_, err = utils.CopyWithFilter(this.writer, fp, buf.Bytes, func(p []byte) []byte {
 			return []byte(this.Format(string(p)))
 		})
-		utils.BytePool1k.Put(buf)
+		bytepool.Pool1k.Put(buf)
 		if err != nil {
 			if !this.canIgnore(err) {
 				remotelogs.Warn("HTTP_REQUEST_SHUTDOWN", "write to client failed: "+err.Error())
diff --git a/internal/nodes/http_request_websocket.go b/internal/nodes/http_request_websocket.go
index 0a70485..6c89d77 100644
--- a/internal/nodes/http_request_websocket.go
+++ b/internal/nodes/http_request_websocket.go
@@ -4,7 +4,7 @@ import (
 	"bufio"
 	"bytes"
 	"errors"
-	"github.com/TeaOSLab/EdgeNode/internal/utils"
+	"github.com/TeaOSLab/EdgeNode/internal/utils/bytepool"
 	"io"
 	"net/http"
 	"net/url"
@@ -178,8 +178,8 @@ func (this *HTTPRequest) doWebsocket(requestHost string, isLastRetry bool) (shou
 		}
 
 		// 复制剩余的数据
-		var buf = utils.BytePool4k.Get()
-		defer utils.BytePool4k.Put(buf)
+		var buf = bytepool.Pool4k.Get()
+		defer bytepool.Pool4k.Put(buf)
 		for {
 			n, readErr := originConn.Read(buf.Bytes)
 			if n > 0 {
@@ -197,9 +197,9 @@ func (this *HTTPRequest) doWebsocket(requestHost string, isLastRetry bool) (shou
 		_ = originConn.Close()
 	}()
 
-	var buf = utils.BytePool4k.Get()
+	var buf = bytepool.Pool4k.Get()
 	_, _ = io.CopyBuffer(originConn, clientConn, buf.Bytes)
-	utils.BytePool4k.Put(buf)
+	bytepool.Pool4k.Put(buf)
 
 	return
 }
diff --git a/internal/nodes/listener_tcp.go b/internal/nodes/listener_tcp.go
index 2e6dc2b..9e360cf 100644
--- a/internal/nodes/listener_tcp.go
+++ b/internal/nodes/listener_tcp.go
@@ -8,7 +8,7 @@ import (
 	"github.com/TeaOSLab/EdgeNode/internal/goman"
 	"github.com/TeaOSLab/EdgeNode/internal/remotelogs"
 	"github.com/TeaOSLab/EdgeNode/internal/stats"
-	"github.com/TeaOSLab/EdgeNode/internal/utils"
+	"github.com/TeaOSLab/EdgeNode/internal/utils/bytepool"
 	"github.com/iwind/TeaGo/types"
 	"github.com/pires/go-proxyproto"
 	"net"
@@ -188,9 +188,9 @@ func (this *TCPListener) handleConn(server *serverconfigs.ServerConfig, conn net
 
 	// 从源站读取
 	goman.New(func() {
-		var originBuf = utils.BytePool16k.Get()
+		var originBuf = bytepool.Pool16k.Get()
 		defer func() {
-			utils.BytePool16k.Put(originBuf)
+			bytepool.Pool16k.Put(originBuf)
 		}()
 		for {
 			n, err := originConn.Read(originBuf.Bytes)
@@ -214,9 +214,9 @@ func (this *TCPListener) handleConn(server *serverconfigs.ServerConfig, conn net
 	})
 
 	// 从客户端读取
-	var clientBuf = utils.BytePool16k.Get()
+	var clientBuf = bytepool.Pool16k.Get()
 	defer func() {
-		utils.BytePool16k.Put(clientBuf)
+		bytepool.Pool16k.Put(clientBuf)
 	}()
 	for {
 		// 是否已达到流量限制
diff --git a/internal/nodes/listener_udp.go b/internal/nodes/listener_udp.go
index 927da5f..99c96b8 100644
--- a/internal/nodes/listener_udp.go
+++ b/internal/nodes/listener_udp.go
@@ -9,6 +9,7 @@ import (
 	"github.com/TeaOSLab/EdgeNode/internal/remotelogs"
 	"github.com/TeaOSLab/EdgeNode/internal/stats"
 	"github.com/TeaOSLab/EdgeNode/internal/utils"
+	"github.com/TeaOSLab/EdgeNode/internal/utils/bytepool"
 	"github.com/iwind/TeaGo/types"
 	"github.com/pires/go-proxyproto"
 	"golang.org/x/net/ipv4"
@@ -400,9 +401,9 @@ func NewUDPConn(server *serverconfigs.ServerConfig, clientAddr net.Addr, proxyLi
 	}
 
 	goman.New(func() {
-		var buf = utils.BytePool4k.Get()
+		var buf = bytepool.Pool4k.Get()
 		defer func() {
-			utils.BytePool4k.Put(buf)
+			bytepool.Pool4k.Put(buf)
 		}()
 
 		for {
diff --git a/internal/utils/byte_pool.go b/internal/utils/byte_pool.go
deleted file mode 100644
index 65085c0..0000000
--- a/internal/utils/byte_pool.go
+++ /dev/null
@@ -1,52 +0,0 @@
-package utils
-
-import (
-	"sync"
-)
-
-var BytePool1k = NewBytePool(1 << 10)
-var BytePool4k = NewBytePool(4 << 10)
-var BytePool16k = NewBytePool(16 << 10)
-var BytePool32k = NewBytePool(32 << 10)
-
-type BytesBuf struct {
-	Bytes []byte
-}
-
-// BytePool pool for get byte slice
-type BytePool struct {
-	length  int
-	rawPool *sync.Pool
-}
-
-// NewBytePool 创建新对象
-func NewBytePool(length int) *BytePool {
-	if length < 0 {
-		length = 1024
-	}
-	return &BytePool{
-		length: length,
-		rawPool: &sync.Pool{
-			New: func() any {
-				return &BytesBuf{
-					Bytes: make([]byte, length),
-				}
-			},
-		},
-	}
-}
-
-// Get 获取一个新的byte slice
-func (this *BytePool) Get() *BytesBuf {
-	return this.rawPool.Get().(*BytesBuf)
-}
-
-// Put 放回一个使用过的byte slice
-func (this *BytePool) Put(ptr *BytesBuf) {
-	this.rawPool.Put(ptr)
-}
-
-// Length 单个字节slice长度
-func (this *BytePool) Length() int {
-	return this.length
-}
diff --git a/internal/utils/bytepool/byte_pool.go b/internal/utils/bytepool/byte_pool.go
new file mode 100644
index 0000000..a2ddce9
--- /dev/null
+++ b/internal/utils/bytepool/byte_pool.go
@@ -0,0 +1,52 @@
+package bytepool
+
+import (
+	"sync"
+)
+
+var Pool1k = NewPool(1 << 10)
+var Pool4k = NewPool(4 << 10)
+var Pool16k = NewPool(16 << 10)
+var Pool32k = NewPool(32 << 10)
+
+type Buf struct {
+	Bytes []byte
+}
+
+// Pool for get byte slice
+type Pool struct {
+	length  int
+	rawPool *sync.Pool
+}
+
+// NewPool 创建新对象
+func NewPool(length int) *Pool {
+	if length < 0 {
+		length = 1024
+	}
+	return &Pool{
+		length: length,
+		rawPool: &sync.Pool{
+			New: func() any {
+				return &Buf{
+					Bytes: make([]byte, length),
+				}
+			},
+		},
+	}
+}
+
+// Get 获取一个新的byte slice
+func (this *Pool) Get() *Buf {
+	return this.rawPool.Get().(*Buf)
+}
+
+// Put 放回一个使用过的byte slice
+func (this *Pool) Put(ptr *Buf) {
+	this.rawPool.Put(ptr)
+}
+
+// Length 单个字节slice长度
+func (this *Pool) Length() int {
+	return this.length
+}
diff --git a/internal/utils/byte_pool_test.go b/internal/utils/bytepool/byte_pool_test.go
similarity index 87%
rename from internal/utils/byte_pool_test.go
rename to internal/utils/bytepool/byte_pool_test.go
index 4179411..560c1df 100644
--- a/internal/utils/byte_pool_test.go
+++ b/internal/utils/bytepool/byte_pool_test.go
@@ -1,8 +1,8 @@
-package utils_test
+package bytepool_test
 
 import (
 	"bytes"
-	"github.com/TeaOSLab/EdgeNode/internal/utils"
+	"github.com/TeaOSLab/EdgeNode/internal/utils/bytepool"
 	"runtime"
 	"sync"
 	"testing"
@@ -12,9 +12,9 @@ func TestBytePool_Memory(t *testing.T) {
 	var stat1 = &runtime.MemStats{}
 	runtime.ReadMemStats(stat1)
 
-	var pool = utils.NewBytePool(32 * 1024)
+	var pool = bytepool.NewPool(32 * 1024)
 	for i := 0; i < 20480; i++ {
-		pool.Put(&utils.BytesBuf{
+		pool.Put(&bytepool.Buf{
 			Bytes: make([]byte, 32*1024),
 		})
 	}
@@ -33,7 +33,7 @@ func TestBytePool_Memory(t *testing.T) {
 func BenchmarkBytePool_Get(b *testing.B) {
 	runtime.GOMAXPROCS(1)
 
-	var pool = utils.NewBytePool(1)
+	var pool = bytepool.NewPool(1)
 	b.ResetTimer()
 
 	for i := 0; i < b.N; i++ {
@@ -46,7 +46,7 @@ func BenchmarkBytePool_Get(b *testing.B) {
 func BenchmarkBytePool_Get_Parallel(b *testing.B) {
 	runtime.GOMAXPROCS(1)
 
-	var pool = utils.NewBytePool(1024)
+	var pool = bytepool.NewPool(1024)
 	b.ResetTimer()
 
 	b.RunParallel(func(pb *testing.PB) {
@@ -82,7 +82,7 @@ func BenchmarkBytePool_Get_Sync2(b *testing.B) {
 
 	var pool = &sync.Pool{
 		New: func() any {
-			return &utils.BytesBuf{
+			return &bytepool.Buf{
 				Bytes: make([]byte, 1024),
 			}
 		},
@@ -127,7 +127,7 @@ func BenchmarkBytePool_Copy_Wrapper_4(b *testing.B) {
 
 	var pool = &sync.Pool{
 		New: func() any {
-			return &utils.BytesBuf{
+			return &bytepool.Buf{
 				Bytes: make([]byte, size),
 			}
 		},
@@ -136,7 +136,7 @@ func BenchmarkBytePool_Copy_Wrapper_4(b *testing.B) {
 
 	b.RunParallel(func(pb *testing.PB) {
 		for pb.Next() {
-			var buf = pool.Get().(*utils.BytesBuf)
+			var buf = pool.Get().(*bytepool.Buf)
 			copy(buf.Bytes, data)
 			pool.Put(buf)
 		}
@@ -171,7 +171,7 @@ func BenchmarkBytePool_Copy_Wrapper_16(b *testing.B) {
 
 	var pool = &sync.Pool{
 		New: func() any {
-			return &utils.BytesBuf{
+			return &bytepool.Buf{
 				Bytes: make([]byte, size),
 			}
 		},
@@ -180,7 +180,7 @@ func BenchmarkBytePool_Copy_Wrapper_16(b *testing.B) {
 
 	b.RunParallel(func(pb *testing.PB) {
 		for pb.Next() {
-			var buf = pool.Get().(*utils.BytesBuf)
+			var buf = pool.Get().(*bytepool.Buf)
 			copy(buf.Bytes, data)
 			pool.Put(buf)
 		}
@@ -194,7 +194,7 @@ func BenchmarkBytePool_Copy_Wrapper_Buf_16(b *testing.B) {
 
 	var pool = &sync.Pool{
 		New: func() any {
-			return &utils.BytesBuf{
+			return &bytepool.Buf{
 				Bytes: make([]byte, size),
 			}
 		},
@@ -203,7 +203,7 @@ func BenchmarkBytePool_Copy_Wrapper_Buf_16(b *testing.B) {
 
 	b.RunParallel(func(pb *testing.PB) {
 		for pb.Next() {
-			var bytesPtr = pool.Get().(*utils.BytesBuf)
+			var bytesPtr = pool.Get().(*bytepool.Buf)
 			var buf = bytesPtr.Bytes
 			copy(buf, data)
 			pool.Put(bytesPtr)
@@ -220,9 +220,9 @@ func BenchmarkBytePool_Copy_Wrapper_BytePool_16(b *testing.B) {
 
 	b.RunParallel(func(pb *testing.PB) {
 		for pb.Next() {
-			var bytesPtr = utils.BytePool16k.Get()
+			var bytesPtr = bytepool.Pool16k.Get()
 			copy(bytesPtr.Bytes, data)
-			utils.BytePool16k.Put(bytesPtr)
+			bytepool.Pool16k.Put(bytesPtr)
 		}
 	})
 }
@@ -255,7 +255,7 @@ func BenchmarkBytePool_Copy_Wrapper_32(b *testing.B) {
 
 	var pool = &sync.Pool{
 		New: func() any {
-			return &utils.BytesBuf{
+			return &bytepool.Buf{
 				Bytes: make([]byte, size),
 			}
 		},
@@ -264,7 +264,7 @@ func BenchmarkBytePool_Copy_Wrapper_32(b *testing.B) {
 
 	b.RunParallel(func(pb *testing.PB) {
 		for pb.Next() {
-			var buf = pool.Get().(*utils.BytesBuf)
+			var buf = pool.Get().(*bytepool.Buf)
 			copy(buf.Bytes, data)
 			pool.Put(buf)
 		}
diff --git a/internal/waf/action_block.go b/internal/waf/action_block.go
index 797f4f4..0e0ef6b 100644
--- a/internal/waf/action_block.go
+++ b/internal/waf/action_block.go
@@ -4,6 +4,7 @@ import (
 	"github.com/TeaOSLab/EdgeCommon/pkg/serverconfigs/firewallconfigs"
 	teaconst "github.com/TeaOSLab/EdgeNode/internal/const"
 	"github.com/TeaOSLab/EdgeNode/internal/utils"
+	"github.com/TeaOSLab/EdgeNode/internal/utils/bytepool"
 	"github.com/TeaOSLab/EdgeNode/internal/waf/requests"
 	"github.com/iwind/TeaGo/Tea"
 	"github.com/iwind/TeaGo/logs"
@@ -118,9 +119,9 @@ func (this *BlockAction) Perform(waf *WAF, group *RuleGroup, set *RuleSet, reque
 					}
 				}
 
-				var buf = utils.BytePool1k.Get()
+				var buf = bytepool.Pool1k.Get()
 				_, _ = io.CopyBuffer(writer, resp.Body, buf.Bytes)
-				utils.BytePool1k.Put(buf)
+				bytepool.Pool1k.Put(buf)
 			} else {
 				var path = this.URL
 				if !filepath.IsAbs(this.URL) {
diff --git a/internal/waf/action_post_307.go b/internal/waf/action_post_307.go
index 00f3b26..718f5e5 100644
--- a/internal/waf/action_post_307.go
+++ b/internal/waf/action_post_307.go
@@ -3,6 +3,7 @@ package waf
 import (
 	"github.com/TeaOSLab/EdgeNode/internal/remotelogs"
 	"github.com/TeaOSLab/EdgeNode/internal/utils"
+	"github.com/TeaOSLab/EdgeNode/internal/utils/bytepool"
 	"github.com/TeaOSLab/EdgeNode/internal/waf/requests"
 	"github.com/iwind/TeaGo/types"
 	"io"
@@ -119,9 +120,9 @@ func (this *Post307Action) Perform(waf *WAF, group *RuleGroup, set *RuleSet, req
 	// 清空请求内容
 	var req = request.WAFRaw()
 	if req.ContentLength > 0 && req.Body != nil {
-		var buf = utils.BytePool16k.Get()
+		var buf = bytepool.Pool16k.Get()
 		_, _ = io.CopyBuffer(io.Discard, req.Body, buf.Bytes)
-		utils.BytePool16k.Put(buf)
+		bytepool.Pool16k.Put(buf)
 		_ = req.Body.Close()
 	}