diff --git a/internal/logging/accesslog/access_logger.go b/internal/logging/accesslog/access_logger.go
index 13a8b4d0..ecae79c4 100644
--- a/internal/logging/accesslog/access_logger.go
+++ b/internal/logging/accesslog/access_logger.go
@@ -76,7 +76,7 @@ const (
 	errBurst     = 5
 )
 
-var lineBufPool = synk.NewBytesPool()
+var lineBufPool = synk.GetBytesPool()
 
 func NewAccessLogger(parent task.Parent, cfg AnyConfig) (*AccessLogger, error) {
 	io, err := cfg.IO()
diff --git a/internal/logging/accesslog/rotate.go b/internal/logging/accesslog/rotate.go
index 52d91715..b472e252 100644
--- a/internal/logging/accesslog/rotate.go
+++ b/internal/logging/accesslog/rotate.go
@@ -66,7 +66,7 @@ type lineInfo struct {
 	Size int64 // Size of this line
 }
 
-var rotateBytePool = synk.NewBytesPool()
+var rotateBytePool = synk.GetBytesPool()
 
 // rotateLogFile rotates the log file based on the retention policy.
 // It returns the result of the rotation and an error if any.
diff --git a/internal/metrics/systeminfo/json.go b/internal/metrics/systeminfo/json.go
index 9898fc83..9b640677 100644
--- a/internal/metrics/systeminfo/json.go
+++ b/internal/metrics/systeminfo/json.go
@@ -9,7 +9,7 @@ import (
 	"github.com/yusing/go-proxy/internal/utils/synk"
 )
 
-var bufPool = synk.NewBytesPool()
+var bufPool = synk.GetBytesPool()
 
 // explicitly implement MarshalJSON to avoid reflection.
 func (s *SystemInfo) MarshalJSON() ([]byte, error) {
diff --git a/internal/net/gphttp/middleware/modify_html.go b/internal/net/gphttp/middleware/modify_html.go
index 259d15be..9beaf09e 100644
--- a/internal/net/gphttp/middleware/modify_html.go
+++ b/internal/net/gphttp/middleware/modify_html.go
@@ -21,7 +21,7 @@ type modifyHTML struct {
 
 var ModifyHTML = NewMiddleware[modifyHTML]()
 
-var bytePool = synk.NewBytesPool()
+var bytePool = synk.GetBytesPool()
 
 func (m *modifyHTML) before(_ http.ResponseWriter, req *http.Request) bool {
 	req.Header.Set("Accept-Encoding", "")
diff --git a/internal/route/stream/udp_udp.go b/internal/route/stream/udp_udp.go
index 8734c94c..4e7a98b9 100644
--- a/internal/route/stream/udp_udp.go
+++ b/internal/route/stream/udp_udp.go
@@ -47,7 +47,7 @@ const (
 	udpReadTimeout     = 30 * time.Second
 )
 
-var bufPool = synk.NewBytesPool()
+var bufPool = synk.GetBytesPool()
 
 func NewUDPUDPStream(listenAddr, dstAddr string) (nettypes.Stream, error) {
 	dst, err := net.ResolveUDPAddr("udp", dstAddr)