diff --git a/client.go b/client.go
index 0d68486..adc3357 100644
--- a/client.go
+++ b/client.go
@@ -121,7 +121,7 @@ func (c *Client) SyncCheck(info LoginInfo, response WebInitResponse) (*http.Resp
 	params.Add("uin", strconv.Itoa(info.WxUin))
 	params.Add("deviceid", GetRandomDeviceId())
 	params.Add("_", strconv.FormatInt(time.Now().Unix(), 10))
-	syncKeyStringSlice := make([]string, 0)
+	var syncKeyStringSlice []string
 	// 将SyncKey里面的元素按照特定的格式拼接起来
 	for _, item := range response.SyncKey.List {
 		i := fmt.Sprintf("%d_%d", item.Key, item.Val)
diff --git a/items.go b/items.go
index 2229256..ccc4a49 100644
--- a/items.go
+++ b/items.go
@@ -102,7 +102,7 @@ type UserDetailItem struct {
 type UserDetailItemList []UserDetailItem
 
 func NewUserDetailItemList(members Members) UserDetailItemList {
-	list := make(UserDetailItemList, 0)
+	var list UserDetailItemList
 	for _, member := range members {
 		item := UserDetailItem{UserName: member.UserName, EncryChatRoomId: member.EncryChatRoomId}
 		list = append(list, item)
@@ -141,7 +141,7 @@ func (s *SyncCheckResponse) Error() string {
 	case "1203":
 		return "login env error"
 	case "1205":
-		return "op too often"
+		return "opt too often"
 	default:
 		return fmt.Sprintf("sync check response error code %s", s.RetCode)
 	}
diff --git a/user.go b/user.go
index 5430227..953f233 100644
--- a/user.go
+++ b/user.go
@@ -101,7 +101,7 @@ func (u *User) Detail() (*User, error) {
 	if err != nil {
 		return nil, err
 	}
-	user := newMembers[0]
+	user := newMembers.First()
 	user.Self = u.Self
 	return user, nil
 }