diff --git a/statistics/task/excelmgr.go b/statistics/task/excelmgr.go
index 1dbc3d9..5856f5f 100644
--- a/statistics/task/excelmgr.go
+++ b/statistics/task/excelmgr.go
@@ -126,7 +126,6 @@ func (e *ExcelMgr) Save(id int, startTime, endTime string) error {
 		index := make(map[string]string)
 		for _, v := range d.Head {
 			cl := ChineseToPinYin([]string{v})[0]
-			d.TableHead = append(d.TableHead, cl)
 			files[cl] = v
 			if strings.Contains(v, "*") {
 				index[cl] = "INDEX"