diff --git a/common/task/task.go b/common/task/task.go
index b04eeb7..f5a3234 100644
--- a/common/task/task.go
+++ b/common/task/task.go
@@ -24,20 +24,24 @@ func (t *Task) hasClosed() bool {
 	return !t.running
 }
 
-func (t *Task) checkedExecute() error {
+func (t *Task) checkedExecute(first bool) error {
 	if t.hasClosed() {
 		return nil
 	}
 
 	t.access.Lock()
 	defer t.access.Unlock()
-
+	if first {
+		if err := t.Execute(); err != nil {
+			t.running = false
+			return err
+		}
+	}
 	if !t.running {
 		return nil
 	}
-
 	t.timer = time.AfterFunc(t.Interval, func() {
-		t.checkedExecute()
+		t.checkedExecute(true)
 	})
 
 	return nil
@@ -52,21 +56,12 @@ func (t *Task) Start(first bool) error {
 	}
 	t.running = true
 	t.access.Unlock()
-	if first {
-		if err := t.Execute(); err != nil {
-			t.access.Lock()
-			t.running = false
-			t.access.Unlock()
-			return err
-		}
-	}
-	if err := t.checkedExecute(); err != nil {
+	if err := t.checkedExecute(first); err != nil {
 		t.access.Lock()
 		t.running = false
 		t.access.Unlock()
 		return err
 	}
-
 	return nil
 }
 
diff --git a/common/task/task_test.go b/common/task/task_test.go
new file mode 100644
index 0000000..dec33b1
--- /dev/null
+++ b/common/task/task_test.go
@@ -0,0 +1,15 @@
+package task
+
+import (
+	"log"
+	"testing"
+	"time"
+)
+
+func TestTask(t *testing.T) {
+	ts := Task{Execute: func() error {
+		log.Println("q")
+		return nil
+	}, Interval: time.Second}
+	ts.Start(false)
+}
diff --git a/go.mod b/go.mod
index 8aaaffb..5e83c7f 100644
--- a/go.mod
+++ b/go.mod
@@ -159,7 +159,6 @@ require (
 	github.com/spf13/pflag v1.0.5 // indirect
 	github.com/stretchr/objx v0.5.0 // indirect
 	github.com/stretchr/testify v1.8.4 // indirect
-	github.com/subosito/gotenv v1.4.2 // indirect
 	github.com/tencentcloud/tencentcloud-sdk-go/tencentcloud/common v1.0.490 // indirect
 	github.com/tencentcloud/tencentcloud-sdk-go/tencentcloud/dnspod v1.0.490 // indirect
 	github.com/transip/gotransip/v6 v6.17.0 // indirect
diff --git a/go.sum b/go.sum
index b50b901..82cf811 100644
--- a/go.sum
+++ b/go.sum
@@ -947,7 +947,6 @@ golang.org/x/term v0.4.0/go.mod h1:9P2UbLfCdcvo3p/nzKvsmas4TnlujnuoV9hGgYzW1lQ=
 golang.org/x/term v0.5.0/go.mod h1:jMB1sMXY+tzblOD4FWmEbocvup2/aLOaQEp7JmGp78k=
 golang.org/x/term v0.8.0 h1:n5xxQn2i3PC0yLAbjTpNT85q/Kgzcr2gIoX9OrJUols=
 golang.org/x/term v0.8.0/go.mod h1:xPskH00ivmX89bAKVGSKKtLOWNx2+17Eiy94tnKShWo=
-golang.org/x/text v0.0.0-20170915032832-14c0d48ead0c/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
 golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
 golang.org/x/text v0.3.1-0.20180807135948-17ff2d5776d2/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
 golang.org/x/text v0.3.2/go.mod h1:bEr9sfX3Q8Zfm5fL9x+3itogRgK3+ptLWKqgva+5dAk=
diff --git a/node/controller.go b/node/controller.go
index 2753d4c..cd64eaf 100644
--- a/node/controller.go
+++ b/node/controller.go
@@ -63,7 +63,7 @@ func (c *Controller) Start() error {
 			return fmt.Errorf("update rule error: %s", err)
 		}
 	}
-	if c.nodeInfo.Tls {
+	if c.nodeInfo.Tls || c.nodeInfo.Type == "hysteria" {
 		err = c.requestCert()
 		if err != nil {
 			return fmt.Errorf("request cert error: %s", err)
diff --git a/node/lego/lego.go b/node/lego/lego.go
index 374acd4..4a29c9c 100644
--- a/node/lego/lego.go
+++ b/node/lego/lego.go
@@ -16,7 +16,8 @@ type Lego struct {
 }
 
 func New(config *conf.CertConfig) (*Lego, error) {
-	user, err := NewUser(path.Join("/etc/V2bX/cert/user/",
+	user, err := NewUser(path.Join(path.Dir(config.CertFile),
+		"user",
 		fmt.Sprintf("user-%s.json", config.Email)),
 		config.Email)
 	if err != nil {
diff --git a/node/task.go b/node/task.go
index 768b7e2..59d3ee2 100644
--- a/node/task.go
+++ b/node/task.go
@@ -67,7 +67,7 @@ func (c *Controller) nodeInfoMonitor() (err error) {
 			log.Print(err)
 			return nil
 		}
-		if newNodeInfo.Tls {
+		if c.nodeInfo.Tls || c.nodeInfo.Type == "hysteria" {
 			err = c.requestCert()
 			if err != nil {
 				return fmt.Errorf("request cert error: %s", err)