diff --git a/api/routers/editor.py b/api/routers/editor.py
index fda7efc..e2cc3a2 100644
--- a/api/routers/editor.py
+++ b/api/routers/editor.py
@@ -456,9 +456,11 @@ async def regenerate_frame_image(
         pixelle_video = await get_pixelle_video()
         
         # Use MediaService to generate image via RunningHub workflow
+        # Use image_flux workflow by default, or get from config
         result = await pixelle_video.image(
             prompt=prompt,
             media_type="image",
+            workflow="runninghub/image_flux.json",
         )
         
         if result and result.url: