diff --git a/app/admin/svc/svc_data_statisstics.go b/app/admin/svc/svc_data_statisstics.go
index 60c1574..ab0e166 100644
--- a/app/admin/svc/svc_data_statisstics.go
+++ b/app/admin/svc/svc_data_statisstics.go
@@ -344,7 +344,7 @@ func SelfSupportForSchoolDataStatisticsExport(req md.SelfSupportForSchoolDataSta
 		}
 
 		//整合数据
-		var data map[string]map[string]map[string]map[string]float64
+		var data = map[string]map[string]map[string]map[string]float64{}
 		for _, vv := range m {
 			shopName := deviceListMapping[vv.SelfSupportForSchoolOrd.DeviceSn].Name
 			if data[vv.Enterprise.Name] == nil {