diff --git a/pkg/channels/email.go b/pkg/channels/email.go
index 380ba04b0..29f2c63ff 100644
--- a/pkg/channels/email.go
+++ b/pkg/channels/email.go
@@ -19,11 +19,12 @@ import (
 	"github.com/emersion/go-imap/client"
 	charset "github.com/emersion/go-message/charset"
 	"github.com/emersion/go-message/mail"
+	"golang.org/x/text/encoding/simplifiedchinese"
+
 	"github.com/sipeed/picoclaw/pkg/bus"
 	"github.com/sipeed/picoclaw/pkg/config"
 	"github.com/sipeed/picoclaw/pkg/logger"
 	"github.com/sipeed/picoclaw/pkg/utils"
-	"golang.org/x/text/encoding/simplifiedchinese"
 )
 
 func init() {
@@ -227,9 +228,9 @@ func (c *EmailChannel) Send(ctx context.Context, msg bus.OutboundMessage) error
 	defer client.Close()
 	if err = client.StartTLS(&tls.Config{ServerName: host}); err != nil {
 		// Some servers on 587 do not require STARTTLS; continue anyway
-		logger.WarnCF("email", "STARTTLS failed, connection may be unencrypted; credentials could be sent in plaintext", map[string]interface{}{
-			"error": err.Error(),
-		})
+		logger.WarnCF("email",
+			"STARTTLS failed, connection may be unencrypted; credentials could be sent in plaintext",
+			map[string]interface{}{"error": err.Error()})
 		_ = err
 	}
 	auth := smtp.PlainAuth("", c.config.Username, c.config.Password, host)
@@ -291,7 +292,9 @@ func (c *EmailChannel) connect() error {
 	status, err := cl.Select(mailbox, false)
 	if err != nil {
 		if strings.Contains(err.Error(), "Unsafe Login") || strings.Contains(err.Error(), "不安全") {
-			return fmt.Errorf("failed to select mailbox %s: %w (hint: 163/QQ/126 require app password, not account password)", mailbox, err)
+			return fmt.Errorf(
+				"failed to select mailbox %s: %w (hint: 163/QQ/126 require app password, not account password)",
+				mailbox, err)
 		}
 		return fmt.Errorf("failed to select mailbox %s: %w", mailbox, err)
 	}
@@ -832,7 +835,7 @@ func (c *EmailChannel) saveAttachmentToLocal(uid uint32, index int, filename str
 	if dir == "" {
 		return ""
 	}
-	if err := os.MkdirAll(dir, 0700); err != nil {
+	if err := os.MkdirAll(dir, 0o700); err != nil {
 		logger.DebugCF("email", "Failed to create attachment dir", map[string]interface{}{"error": err.Error(), "dir": dir})
 		return ""
 	}
diff --git a/pkg/channels/email_test.go b/pkg/channels/email_test.go
index 56dac6a38..26f61b231 100644
--- a/pkg/channels/email_test.go
+++ b/pkg/channels/email_test.go
@@ -13,13 +13,13 @@ import (
 	"github.com/bytedance/mockey"
 	"github.com/emersion/go-imap"
 	"github.com/emersion/go-imap/client"
+	"github.com/stretchr/testify/assert"
+
 	"github.com/sipeed/picoclaw/pkg/bus"
 	"github.com/sipeed/picoclaw/pkg/config"
-	"github.com/stretchr/testify/assert"
 )
 
 func TestEmailChannel_sanitizeHeaderValue(t *testing.T) {
-
 	tests := []struct {
 		name string
 		s    string
@@ -61,6 +61,7 @@ func TestEmailChannel_parseFilenameFromDisposition(t *testing.T) {
 		})
 	}
 }
+
 func TestEmailChannel_decodeRFC2047Filename(t *testing.T) {
 	tests := []struct {
 		name string
@@ -93,7 +94,8 @@ func TestEmailChannel_extractEmailBodyAndAttachments(t *testing.T) {
 	})
 
 	t.Run("plain text body", func(t *testing.T) {
-		mimeBytes := []byte("From: a@b.com\r\nTo: c@d.com\r\nSubject: Test\r\nContent-Type: text/plain; charset=utf-8\r\n\r\nHello world")
+		mimeBytes := []byte(
+			"From: a@b.com\r\nTo: c@d.com\r\nSubject: Test\r\nContent-Type: text/plain; charset=utf-8\r\n\r\nHello world")
 		section := &imap.BodySectionName{}
 		msg := &imap.Message{
 			Uid:      1,
@@ -172,7 +174,6 @@ func TestEmailChannel_extractEmailBodyAndAttachments(t *testing.T) {
 		},
 	}
 	t.Run("body part max bytes", func(t *testing.T) {
-
 		mimeBytes := attachmentwithText
 		section := &imap.BodySectionName{}
 		msg := &imap.Message{
@@ -189,7 +190,6 @@ func TestEmailChannel_extractEmailBodyAndAttachments(t *testing.T) {
 }
 
 func TestEmailChannel_extractTextFromHTML(t *testing.T) {
-
 	tests := []struct {
 		name string
 		s    string
@@ -282,24 +282,32 @@ func TestEmailChannel_checkNewEmails(t *testing.T) {
 		mockey.Mock(mockey.GetMethod(mockClient, "UidSearch")).To(func(imapClient *client.Client, criteria *imap.SearchCriteria) ([]uint32, error) {
 			return []uint32{21}, nil
 		}).Build()
-		mockey.Mock(mockey.GetMethod(mockClient, "UidFetch")).To(func(imapClient *client.Client, seqset *imap.SeqSet, items []imap.FetchItem, ch chan *imap.Message) error {
-			mimeBytes := []byte("From: a@b.com\r\nTo: c@d.com\r\nSubject: Test\r\nContent-Type: text/plain; charset=utf-8\r\n\r\nHello world")
-			section := &imap.BodySectionName{}
-			msg := &imap.Message{
-				Uid:      1,
-				Envelope: &imap.Envelope{Subject: "Test"},
-				Body:     map[*imap.BodySectionName]imap.Literal{section: bytes.NewReader(mimeBytes)},
-			}
-			ch <- msg
-			close(ch)
-			return nil
-		}).Build()
+		mockey.Mock(mockey.GetMethod(mockClient, "UidFetch")).To(
+			func(imapClient *client.Client, seqset *imap.SeqSet, items []imap.FetchItem, ch chan *imap.Message) error {
+				mimeBytes := []byte(
+					"From: a@b.com\r\nTo: c@d.com\r\nSubject: Test\r\nContent-Type: text/plain; charset=utf-8\r\n\r\nHello world")
+				section := &imap.BodySectionName{}
+				msg := &imap.Message{
+					Uid:      1,
+					Envelope: &imap.Envelope{Subject: "Test"},
+					Body:     map[*imap.BodySectionName]imap.Literal{section: bytes.NewReader(mimeBytes)},
+				}
+				ch <- msg
+				close(ch)
+				return nil
+			}).Build()
+		mockClient.SetState(imap.SelectedState, &imap.MailboxStatus{
+			UidNext: 20,
+		})
 		mockey.Mock(mockey.GetMethod(mockClient, "State")).To(func(*client.Client) imap.ConnState {
 			return imap.SelectedState
 		}).Build()
-		mockey.Mock(mockey.GetMethod(mockClient, "UidStore")).To(func(imapClient *client.Client, seqset *imap.SeqSet, item imap.StoreItem, value interface{}, ch chan *imap.Message) error {
-			return nil
-		}).Build()
+		mockey.Mock(mockey.GetMethod(mockClient, "UidStore")).To(
+			func(imapClient *client.Client, seqset *imap.SeqSet, item imap.StoreItem, value interface{},
+				ch chan *imap.Message,
+			) error {
+				return nil
+			}).Build()
 		// --------------- mock end ---------------
 		ctx := context.Background()
 		c.CheckNewEmails(context.Background())
@@ -308,7 +316,6 @@ func TestEmailChannel_checkNewEmails(t *testing.T) {
 		assert.True(t, ok)
 		assert.True(t, strings.Contains(messge.Content, "Hello world"))
 	})
-
 }
 
 func TestEmailChannel_runIdleLoop(t *testing.T) {
@@ -322,7 +329,7 @@ func TestEmailChannel_runIdleLoop(t *testing.T) {
 	// mock connect to return mockClient
 	mockey.PatchConvey("runIdleLoop", t, func() {
 		// --------------- mock start ---------------
-		var hasCheckEmail = false
+		hasCheckEmail := false
 		c := &EmailChannel{
 			BaseChannel: &BaseChannel{
 				bus: bus.NewMessageBus(),
@@ -357,9 +364,7 @@ func TestEmailChannel_runIdleLoop(t *testing.T) {
 		triggerChannel <- struct{}{}
 		time.Sleep(time.Second)
 		assert.True(t, hasCheckEmail)
-
 	})
-
 }
 
 func TestEmailChannel_lifecycleCheck(t *testing.T) {
diff --git a/pkg/channels/manager.go b/pkg/channels/manager.go
index 004042bf6..75bc5f9d8 100644
--- a/pkg/channels/manager.go
+++ b/pkg/channels/manager.go
@@ -179,9 +179,8 @@ func (m *Manager) initChannels() error {
 		logger.DebugC("channels", "Attempting to initialize Email channel")
 		email, err := NewEmailChannel(m.config.Channels.Email, m.bus)
 		if err != nil {
-			logger.ErrorCF("channels", "Failed to initialize Email channel", map[string]interface{}{
-				"error": err.Error(),
-			})
+			logger.ErrorCF("channels", "Failed to initialize Email channel",
+				map[string]interface{}{"error": err.Error()})
 		} else {
 			m.channels["email"] = email
 			logger.InfoC("channels", "Email channel enabled successfully")
diff --git a/pkg/config/config.go b/pkg/config/config.go
index 50cd70d27..758d6895c 100644
--- a/pkg/config/config.go
+++ b/pkg/config/config.go
@@ -468,7 +468,6 @@ type ExecConfig struct {
 	CustomDenyPatterns []string `json:"custom_deny_patterns" env:"PICOCLAW_TOOLS_EXEC_CUSTOM_DENY_PATTERNS"`
 }
 
-
 type ToolsConfig struct {
 	Web    WebToolsConfig    `json:"web"`
 	Cron   CronToolsConfig   `json:"cron"`