diff --git a/cron/group_cron/group_support.go b/cron/group_cron/group_support.go
index cc6259cef5321f00260b826af49f45b44d47b008..19e1839065695c2009789b0e318121d2b21252a6 100644
--- a/cron/group_cron/group_support.go
+++ b/cron/group_cron/group_support.go
@@ -97,7 +97,7 @@ func CalcGroupSupport_OldData() {
 		return
 	}
 	c := cron.New()
-	spec := "0 0 16 23 8 ?"
+	spec := "0 55 9 24 8 ?"
 	_ = c.AddFunc(spec, func() {
 		defer utils.CheckGoPanic()
 		var model = domain.CreateModelNil()