diff --git a/server/websocket/internal/logic/ws_render_image.go b/server/websocket/internal/logic/ws_render_image.go
index 2819687e..24818210 100644
--- a/server/websocket/internal/logic/ws_render_image.go
+++ b/server/websocket/internal/logic/ws_render_image.go
@@ -159,8 +159,8 @@ func (w *wsConnectItem) renderImage(renderImageData websocket_data.RenderImageRe
 		w.renderErrResponse(renderImageData.RequestId, renderImageData.RenderData.TemplateTag, "", "请传入正确的合图分辨率格式", renderImageData.RenderData.ProductId, w.userId, w.guestId, 0, 0, 0, 0)
 		return
 	}
-	if resolution < 512 || resolution > 2048 {
-		w.renderErrResponse(renderImageData.RequestId, renderImageData.RenderData.TemplateTag, "", "请传入正确的合图分辨率范围值(512~2048)", renderImageData.RenderData.ProductId, w.userId, w.guestId, 0, 0, 0, 0)
+	if resolution < 100 || resolution > 800 {
+		w.renderErrResponse(renderImageData.RequestId, renderImageData.RenderData.TemplateTag, "", "请传入正确的合图分辨率范围值(100~800)", renderImageData.RenderData.ProductId, w.userId, w.guestId, 0, 0, 0, 0)
 		return
 	}
 	lenColor := len(renderImageData.RenderData.TemplateTagColor.Colors)