diff --git a/src/redis-shake/metric/variables.go b/src/redis-shake/metric/variables.go
index 4e46bc3..f3a60a1 100644
--- a/src/redis-shake/metric/variables.go
+++ b/src/redis-shake/metric/variables.go
@@ -35,8 +35,8 @@ type MetricRest struct {
 func NewMetricRest() []MetricRest {
 	detailMapList := runner.GetDetailedInfo().([]map[string]interface{})
 	if detailMapList == nil || len(detailMapList) == 0 {
-		return []{
-			MetricRest{
+		return []MetricRest{
+			{
 				StartTime: utils.StartTime,
 				Status:    base.Status,
 			},