diff --git a/relay/channel/ali/image.go b/relay/channel/ali/image.go
index 18427d77..08eca9d0 100644
--- a/relay/channel/ali/image.go
+++ b/relay/channel/ali/image.go
@@ -181,6 +181,7 @@ func oaiFormEdit2AliImageEdit(c *gin.Context, info *relaycommon.RelayInfo, reque
 		},
 	}
 	imageRequest.Parameters = AliImageParameters{
+		N:         int(lo.FromPtrOr(request.N, uint(1))),
 		Watermark: request.Watermark,
 	}
 	return &imageRequest, nil