diff --git a/structs/utils/subscribe.go b/structs/utils/subscribe.go
index 7fa9042..ed505ba 100644
--- a/structs/utils/subscribe.go
+++ b/structs/utils/subscribe.go
@@ -6,6 +6,10 @@ import (
 	v2 "gitea.timerzz.com/kedaya_haitao/common/structs/v2"
 )
 
+const (
+	ProfitRate_Channel = "profit_rate"
+)
+
 func ProviderConfigNotifyChannel(providerId v2.ProviderId) string {
 	return fmt.Sprintf("/provider/%s/cfg", providerId)
 }