diff --git a/reg.go b/reg.go
index 8ad9fb7..25f42a2 100644
--- a/reg.go
+++ b/reg.go
@@ -129,18 +129,17 @@ func (r *Regedit) Set(key, value string) error {
 	p := NewCmdPacket(CMDSET, StringToBytes(key), r.ts)
 	defer p.Put()
 	r.Lock()
+	defer r.Unlock()
 	r.conn.Write(p.Encrypt(r.seq))
 	r.seq++
 	ack := NewCmdPacket(CMDACK, nil, &r.tp)
 	defer ack.Put()
 	err := r.ack(ack)
 	if err != nil {
-		r.Unlock()
 		return err
 	}
 	err = ack.Decrypt(r.seq)
 	r.seq++
-	r.Unlock()
 	if err != nil {
 		return ErrDecAck
 	}
@@ -152,17 +151,14 @@ func (r *Regedit) Set(key, value string) error {
 		return ErrUnknownAck
 	}
 	p.Refresh(CMDDAT, StringToBytes(value), r.ts)
-	r.Lock()
 	r.conn.Write(p.Encrypt(r.seq))
 	r.seq++
 	err = r.ack(ack)
 	if err != nil {
-		r.Unlock()
 		return err
 	}
 	err = ack.Decrypt(r.seq)
 	r.seq++
-	r.Unlock()
 	if err != nil {
 		return ErrDecAck
 	}
diff --git a/reg_test.go b/reg_test.go
index 17aff34..5b8819f 100644
--- a/reg_test.go
+++ b/reg_test.go
@@ -45,7 +45,7 @@ func TestPush(t *testing.T) {
 	if err != nil {
 		t.Fatal(err)
 	}
-	err = r.Set("ZeroBot-Plugin/kanban", "QQ群:1048452984, 开发群:705749886. 禁止用于商业用途.\nv1.2.2及以下版本公告服已下线.")
+	err = r.Set("ZeroBot-Plugin/kanban", "由于tx更改登录鉴权, 近期gocqzbp闪退增多,\n请及时处理以免对md5服务器产生过量请求, 导致IP被封.")
 	if err != nil {
 		t.Fatal(err)
 	}