update

app/admin/svc/svc_data_statisstics.go

@@ -689,7 +689,7 @@ func CentralKitchenForSchoolDataStatisticsExport(req md.CentralKitchenForSchoolD
 				xlsx.SetColWidth("Sheet1", "A", "E", 20)
 
 				j := 3 //表头前两行用了，只能从第三行开始
-				var sumClassNum, sumBreakfast, sumLunch, sumDinner int64
+				var sumClassNum, sumBreakfast, sumLunch, sumDinner = int64(0), int64(0), int64(0), int64(0)
 				for k2, v2 := range v1 {
 					if k2 == "" {
 						//若年级为空，则为教师餐