diff --git a/pkg/structure/channelx/channelx.go b/pkg/structure/channelx/channelx.go
index fb27ae9..63235f8 100644
--- a/pkg/structure/channelx/channelx.go
+++ b/pkg/structure/channelx/channelx.go
@@ -51,9 +51,16 @@ func (c *ChannelX) Push(value string) structure.UpdateLength {
 
 func (c *ChannelX) Pop() (string, structure.UpdateLength) {
 	val := <-c.channel
-	return val.ToString(), structure.UpdateLength(val.GetSize())
+	return val.ToString(), structure.UpdateLength(val.GetSize()) * -1
 }
 
 func (c *ChannelX) Length() int {
 	return len(c.channel)
 }
+
+func (c *ChannelX) CLean() structure.UpdateLength {
+	c.channel = make(chan *structure.Value, cap(c.channel))
+	up := c.sizeByte
+	c.sizeByte = 0
+	return structure.UpdateLength(up) * -1
+}
diff --git a/pkg/structure/define.go b/pkg/structure/define.go
index b726f97..09dcd98 100644
--- a/pkg/structure/define.go
+++ b/pkg/structure/define.go
@@ -73,4 +73,5 @@ type ChannelXInterface interface {
 	Push(value string) UpdateLength
 	Pop() (string, UpdateLength)
 	Length() int
+	Clean() UpdateLength
 }