feat: 填入相关模型

common/constants.go

@@ -208,6 +208,8 @@ const (
 	ChannelTypeLingYiWanWu    = 31
 	ChannelTypeAws            = 33
 	ChannelTypeCohere         = 34
+
+	ChannelTypeDummy // this one is only for count, do not add any channel after this
 )
 
 var ChannelBaseURLs = []string{