diff --git a/relay/channel/anthropic/main.go b/relay/channel/anthropic/main.go
index 5399fee6..dced927e 100644
--- a/relay/channel/anthropic/main.go
+++ b/relay/channel/anthropic/main.go
@@ -47,6 +47,7 @@ func ConvertRequest(textRequest model.GeneralOpenAIRequest) *Request {
 	}
 	claudeRequest.Messages = filteredMessages
 
+	claudeRequest.N = 0 // anthropic's messages API not support n
 	return &claudeRequest
 }