diff --git a/routers/api/v1/repo/cloudbrain_dashboard.go b/routers/api/v1/repo/cloudbrain_dashboard.go
index 4bcf6cb62..3a80abc20 100644
--- a/routers/api/v1/repo/cloudbrain_dashboard.go
+++ b/routers/api/v1/repo/cloudbrain_dashboard.go
@@ -491,7 +491,7 @@ func GetCloudbrainsDetailData(ctx *context.Context) {
 }
 
 func GetCloudbrainsCreateHoursData(ctx *context.Context) {
-	hourPeriodCount := make(map[string]interface{})
+	createHourPeriodCount := make(map[string]interface{})
 	brainRecordBeginTime, err := getBrainRecordBeginTime()
 	if err != nil {
 		log.Error("Can not get brain record begin time", err)