diff --git a/model/cache_pool.go b/model/cache_pool.go
index 0c940f3..8e5e348 100644
--- a/model/cache_pool.go
+++ b/model/cache_pool.go
@@ -4,8 +4,6 @@ import (
 	"fmt"
 	"reflect"
 	"unsafe"
-
-	log "github.com/sirupsen/logrus"
 )
 
 
@@ -24,9 +22,9 @@ func NewSliceBufferPool(name string, bufferSize int) (sbp *sliceBufferPool) {
 }
 
 func (sbp *sliceBufferPool) Enqueue(buffer []byte)  {
-	defer func() {
-		log.Debugf("after enqueue from %s, there is %d elements", sbp.name, len(sbp.queue))
-	}()
+	// defer func() {
+	// 	log.Debugf("after enqueue from %s, there is %d elements", sbp.name, len(sbp.queue))
+	// }()
 
 	if cap(buffer) < 1 {
 		return
@@ -52,9 +50,9 @@ func (sbp *sliceBufferPool) DequeueWithInit(initSize int) (buffer []byte)  {
 }
 
 func (sbp *sliceBufferPool) Dequeue() (buffer []byte)  {
-	defer func() {
-		log.Debugf("after dequeue from %s, there is %d elements", sbp.name, len(sbp.queue))
-	}()
+	// defer func() {
+	// 	log.Debugf("after dequeue from %s, there is %d elements", sbp.name, len(sbp.queue))
+	// }()
 
 	select {
 	case buffer = <- sbp.queue:
diff --git a/session-dealer/mysql/cover_range.go b/session-dealer/mysql/cover_range.go
index eb405d7..7654c30 100644
--- a/session-dealer/mysql/cover_range.go
+++ b/session-dealer/mysql/cover_range.go
@@ -1,9 +1,5 @@
 package mysql
 
-import (
-	log "github.com/sirupsen/logrus"
-)
-
 // coverageNode record tcp package begin and end seq id
 type coverageNode struct {
 	begin int64
@@ -105,7 +101,7 @@ func (crp *coveragePool) NewCoverage(begin, end int64)(cn *coverageNode)  {
 }
 
 func (crp *coveragePool) Enqueue(cn *coverageNode)  {
-	log.Debugf("coveragePool enqueue: %d", len(crp.queue))
+	// log.Debugf("coveragePool enqueue: %d", len(crp.queue))
 	if cn == nil {
 		return
 	}
@@ -114,7 +110,7 @@ func (crp *coveragePool) Enqueue(cn *coverageNode)  {
 }
 
 func (crp *coveragePool) Dequeue() (cn *coverageNode)  {
-	log.Debugf("coveragePool dequeue: %d", len(crp.queue))
+	// log.Debugf("coveragePool dequeue: %d", len(crp.queue))
 
 	defer func() {
 		cn.begin = -1