diff --git a/server/websocket/internal/logic/ws_render_image.go b/server/websocket/internal/logic/ws_render_image.go
index aa44d9a1..d514b283 100644
--- a/server/websocket/internal/logic/ws_render_image.go
+++ b/server/websocket/internal/logic/ws_render_image.go
@@ -137,6 +137,7 @@ func (w *wsConnectItem) renderImage(renderImageData websocket_data.RenderImageRe
 		return
 	}
 	//没传分辨率
+	renderImageData.RenderData.Resolution = "512"
 	if renderImageData.RenderData.Resolution == "" {
 		w.renderErrResponse(renderImageData.RenderId, renderImageData.RenderData.TemplateTag, "", "请传入合图分辨率", renderImageData.RenderData.ProductId, w.userId, w.guestId, 0, 0, 0, 0)
 		return