diff --git a/web/services/channel_baiyin.go b/web/services/channel_baiyin.go
index 7ae4499..775b2dc 100644
--- a/web/services/channel_baiyin.go
+++ b/web/services/channel_baiyin.go
@@ -23,6 +23,10 @@ import (
 type channelBaiyinService struct{}
 
 func (s *channelBaiyinService) CreateChannels(source netip.Addr, userId int32, resourceId int32, authWhitelist bool, authPassword bool, count int, edgeFilter ...EdgeFilter) ([]*m.Channel, error) {
+	if count > 400 {
+		return nil, core.NewBizErr("单次最多提取 400 个")
+	}
+
 	var filter *EdgeFilter = nil
 	if len(edgeFilter) > 0 {
 		filter = &edgeFilter[0]