diff --git a/log/slack.go b/log/slack.go
index db35be5..ad47da2 100644
--- a/log/slack.go
+++ b/log/slack.go
@@ -3,7 +3,7 @@ package log
 import "github.com/agflow/tools/notification/slack"
 
 // NewSlackHook returns a hook for slack
-func NewSlackHook(token string) Hook {
+func NewSlackHook(token, channel string) Hook {
 	return func(info MetaInfo) error {
 		var color string
 		switch info.Lvl {
@@ -16,6 +16,6 @@ func NewSlackHook(token string) Hook {
 		}
 		msg := info.Msg + "\n"
 		slackCli := slack.New(token, true)
-		return slackCli.SendWithColor("feed-worker", msg, color)
+		return slackCli.SendWithColor(channel, msg, color)
 	}
 }
diff --git a/notification/slack/slack.go b/notification/slack/slack.go
index 97111ab..defedfa 100644
--- a/notification/slack/slack.go
+++ b/notification/slack/slack.go
@@ -7,7 +7,8 @@ import (
 )
 
 const (
-	defaultChannel = "test-notifications"
+	// DefaultChannel is slack's default channel to send notifications
+	DefaultChannel = "test-notifications"
 	// ColorGood is slack's color "good"
 	ColorGood = "good"
 	// ColorWarning is slack's color "warning"
@@ -29,7 +30,7 @@ func New(token string, enabled bool) *Client {
 
 func getChannel(channel string) string {
 	if channel == "" {
-		return defaultChannel
+		return DefaultChannel
 	}
 	return channel
 }
diff --git a/notification/slack/slack_test.go b/notification/slack/slack_test.go
index a3a760a..d6e9322 100644
--- a/notification/slack/slack_test.go
+++ b/notification/slack/slack_test.go
@@ -8,9 +8,9 @@ import (
 
 func TestSend(t *testing.T) {
 	slackCli := New("xoxb-2314993037-3480243399810-eKklHxCNGvH7E3dnGaknRpZL", true)
-	require.Nil(t, slackCli.Send(defaultChannel, "this is a test notification"))
+	require.Nil(t, slackCli.Send(DefaultChannel, "this is a test notification"))
 	require.Nil(t, slackCli.SendWithColor(
-		defaultChannel,
+		DefaultChannel,
 		"this is a test notification with a color",
 		ColorGood,
 	),